Carbon emission reduction management method and system for district energy

Abstract

The application discloses a kind of carbon emission reduction management and control method and system for regional energy, the method is calculated by energy conversion equipment information and energy transmission equipment information conversion power loss value, equipment mechanical loss value, line transmission total loss value and substation power total loss value, and then calculate the total loss value of energy conversion equipment and energy transmission equipment, and this is combined with user terminal energy usage and regional carbon emission comprehensive analysis and calculation each node's carbon emission situation, provide high accuracy of each node's carbon emission situation, and then respectively obtain high accuracy each node carbon emission control index, improve the accuracy of subsequent generation each node's carbon emission reduction control notice, solve the prior art only based on the energy type used by user simple classification and analysis to determine whether user exists carbon emission exceeds standard, without comprehensive analysis carbon emission situation to each energy node, and then cause the accuracy of carbon emission reduction control to be low, finally affect carbon emission reduction effect problem.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of carbon emission reduction management and control, and particularly relates to a carbon emission reduction management and control method and system for regional energy. BACKGROUND

[0002] With the continuous development of industry and technology, energy plays an increasingly important role in human society. The supply and use of energy are directly related to national economic development, social stability, and environmental protection. However, the production and consumption of most energy releases a large amount of carbon emissions, such as carbon dioxide (CO2), which has a huge impact on global climate change and environmental quality. Therefore, carbon emission reduction in the energy field is crucial.

[0003] In modern society, various types of energy are usually converted into electrical energy and then transported to user terminals through power transmission networks for user use. Energy consumption and carbon emissions involve multiple links and participants, including energy production, conversion, and utilization. Currently, the management and control of carbon emissions in the energy field are usually based on the type of energy used by users for simple classification and analysis to determine whether the user has exceeded the carbon emissions. However, this method does not comprehensively analyze the carbon emissions of each energy node, resulting in low accuracy of carbon emission reduction management and control, ultimately affecting the effectiveness of carbon emission reduction. SUMMARY

[0004] The present application provides a carbon emission reduction management and control method and system for regional energy, which can solve the problem that the prior art only classifies and analyzes the type of energy used by users for simple classification and analysis to determine whether the user has exceeded the carbon emissions, without comprehensively analyzing the carbon emissions of each energy node, resulting in low accuracy of carbon emission reduction management and control, ultimately affecting the effectiveness of carbon emission reduction.

[0005] To solve the above technical problems, an embodiment of the present application provides a carbon emission reduction management and control method for regional energy, comprising:

[0006] Collecting energy conversion equipment information, energy transmission equipment information, user terminal energy consumption, and regional carbon emissions at each time in the target region. The energy conversion equipment information includes operating temperature, operating power, equipment load, vibration amplitude, axial displacement, and lubricating oil image. The energy transmission equipment information includes line parameters and substation parameters. The line parameters include line quantity, line loss base value, line length, line cross-sectional area, and line resistance. The substation parameters include the number of substations, rated power, actual power, and substation temperature.

[0007] According to the energy conversion equipment information of the target area at each moment, the conversion power loss value and the equipment mechanical loss value of the target area at each moment are calculated, and according to the conversion power loss value and the equipment mechanical loss value of the target area at each moment, the total conversion loss value of the energy conversion equipment of the target area at each moment is calculated;

[0008] According to the energy transmission equipment information of the target area at each moment, the line power transmission total loss value and the substation power total loss value of the target area at each moment are calculated, and according to the line power transmission total loss value and the substation power total loss value of the target area at each moment, the transmission total loss value of the energy transmission equipment of the target area at each moment is calculated;

[0009] According to the total conversion loss value, the total transmission loss value, the user terminal energy consumption and the regional carbon emission of the target area at each moment, the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment are calculated respectively;

[0010] According to the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, the carbon emission control index of each node of the target area is determined, and then the carbon emission reduction control notice of each node of the target area is determined.

[0011] Further, the calculation of the conversion power loss value and the equipment mechanical loss value of the target area at each moment comprises:

[0012] According to the running temperature, the running power and the equipment load of the energy conversion equipment information of the target area at each moment, the conversion power loss value of the energy conversion equipment of the target area at each moment is calculated;

[0013] According to the lubricating oil image of the energy conversion equipment information of the target area at each moment, the area of each metal particle in the lubricating oil image is calculated, the area of each metal particle in the lubricating oil image is graded, and the area number and the total area value of each grade of metal particle are counted, and the lubricating oil wear state value of the energy conversion equipment of the target area at each moment is calculated;

[0014] According to the lubricating oil wear state value, the vibration amplitude and the axial displacement of the energy conversion equipment of the target area at each moment, the equipment mechanical loss value of the energy conversion equipment of the target area at each moment is calculated.

[0015] Further, the conversion power loss value, the lubricating oil wear state value and the equipment mechanical loss value of the energy conversion equipment of the target area at each moment are calculated by the following calculation formula:

[0016] The calculation formula of the conversion power loss value of the energy conversion equipment of the target area at each moment is as follows:

[0017]

[0018] Wherein, the Taj represents the conversion power loss value of the energy conversion equipment of the target area at each time; the a6, a7 and a8 represent the first, second and third proportional coefficients preset for calculating the conversion power respectively; the T1j, T2j and T3j represent the running temperature, running power and equipment load of the energy conversion equipment information of the target area at each time respectively; the j represents the serial number of any one time;

[0019] The calculation formula of the lubricating oil wear state value of the energy conversion equipment of the target area at each time is as follows:

[0020]

[0021] Wherein, the Maj represents the lubricating oil wear state value of the energy conversion equipment of the target area at each time; the a1, a2 and a3 represent the first, second and third proportional coefficients preset for calculating the lubricating oil wear respectively, and a1>a2>a3; the M1j, M2j and M3j represent the area number of the metal particles of the first, second and third grades at each time respectively; the M4j, M5j and M6j represent the total area value of the metal particles of the first, second and third grades at each time respectively; the j represents the serial number of any one time; and the e represents the natural constant;

[0022] The calculation formula of the equipment mechanical loss value of the energy conversion equipment of the target area at each time is as follows:

[0023]

[0024] Wherein, the MYj represents the equipment mechanical loss value of the energy conversion equipment of the target area at each time; the a4 and a5 represent the first and second proportional coefficients preset for calculating the equipment mechanical loss respectively; the Maj represents the lubricating oil wear state value of the energy conversion equipment of the target area at each time; and the Yj and Xj represent the vibration amplitude and axial displacement of the energy conversion equipment of the target area at each time respectively.

[0025] Further, the conversion total loss value of the energy conversion equipment of the target area at each time is calculated by the following calculation formula:

[0026]

[0027] Wherein, the FMj represents the conversion total loss value of the energy conversion equipment of the target area at each time; the Taj represents the conversion power loss value of the energy conversion equipment of the target area at each time; the MYj represents the equipment mechanical loss value of the energy conversion equipment of the target area at each time; and the c1 and c2 represent the first and second proportional coefficients preset for calculating the conversion total loss respectively.

[0028] Further, the total line power transmission loss value and the total substation power loss value of the target region at each time are calculated, including:

[0029] For each line segment of the target region at each time, the line power transmission loss value of each line segment is calculated according to the line loss base value, line length, line cross-sectional area and line resistance of each line segment, and the total line power transmission loss value of the target region at each time is calculated by summing the line power transmission loss values of each line segment according to the number of lines;

[0030] For each substation of the target region at each time, the power loss value of each substation is calculated according to the rated power, actual power and substation temperature of each substation, and the total substation power loss value of the target region at each time is calculated by summing the power loss values of each substation according to the number of substations.

[0031] Further, the line power transmission loss value of each line segment and the power loss value of each substation are calculated by the following calculation formula:

[0032] The calculation formula of the line power transmission loss value of each line segment is as follows:

[0033]

[0034] Wherein, the Ab represents the line power transmission loss value of each line segment; the b1, b2, b3 and b4 represent the first, second, third and fourth proportionality coefficients respectively for calculating the line power transmission loss of each line segment; the A1, A2, A3 and A4 represent the line loss base value, line length, line cross-sectional area and line resistance of each line segment respectively;

[0035] The calculation formula of the power loss value of each substation is as follows:

[0036]

[0037] Wherein, the Db represents the power loss value of each substation; the b5 and b6 represent the first and second proportionality coefficients respectively for calculating the power loss of each substation; the D1, D2 and D3 represent the rated power, actual power and substation temperature of each substation respectively; and the e represents a natural constant.

[0038] Further, the total transmission loss value of the energy transmission equipment of the target region at each time is calculated by the following calculation formula:

[0039]

[0040] The ADj represents the total transmission loss value of the energy transmission device of the target area at each moment; the ABj and the DBj represent the total line transmission loss value and the total loss value of the power substation of the target area at each moment, respectively; the b7 and the b8 represent the first preset proportion coefficient and the second preset proportion coefficient for calculating the total transmission loss, respectively.

[0041] Further, the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment are calculated by the following calculation formula:

[0042]

[0043] The TCj, the YCj and the NCj represent the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, respectively; the FMj represents the total conversion loss value of the energy conversion device of the target area at each moment; the ADj represents the total transmission loss value of the energy transmission device of the target area at each moment; the Nj represents the user terminal energy consumption; the Cj represents the regional carbon emission; the c3, the c4 and the c5 represent the first preset proportion coefficient, the second preset proportion coefficient and the third preset proportion coefficient for calculating the node carbon emission, respectively.

[0044] Further, the determination of the carbon emission control index of each node of the target area comprises:

[0045] According to the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, the time-carbon emission change curve of the energy conversion node, the energy transmission node and the energy terminal node of the target area is constructed, respectively;

[0046] According to the time-carbon emission change curve of the energy conversion node, the tangent expression of each point on the time-carbon emission change curve of the energy conversion node is determined, the conversion derivative is calculated according to the tangent expression of each point, the conversion derivatives greater than zero are added to obtain the first conversion carbon emission change rate, the absolute values of the conversion derivatives less than zero are added to obtain the second conversion carbon emission change rate, the carbon emission corresponding to the conversion derivative equal to zero is compared with the preset conversion stable interval to determine the carbon emission dimension corresponding to the conversion derivative equal to zero, the carbon emission times of the conversion derivatives equal to zero in each dimension are counted, and the carbon emission control index of the energy conversion node is calculated according to the first conversion carbon emission change rate, the second conversion carbon emission change rate, the carbon emission times of the conversion derivatives equal to zero in each dimension and the energy conversion node carbon emission of the target area at each moment.

[0047] According to the time-carbon emission change curve of the energy transmission node of the target region, the tangent expression of each point on the time-carbon emission change curve of the energy transmission node is determined, the transmission derivative is calculated according to the tangent expression of each point, the transmission derivatives greater than zero are added to obtain a first transmission carbon emission change rate, the absolute values of the transmission derivatives less than zero are added to obtain a second transmission carbon emission change rate, the carbon emission corresponding to the transmission derivative equal to zero is compared with a preset transmission stable interval to determine the carbon emission dimension corresponding to the transmission derivative equal to zero, the carbon emission times of the transmission derivatives equal to zero in each dimension are counted, and the carbon emission control index of the energy transmission node is calculated according to the first transmission carbon emission change rate, the second transmission carbon emission change rate, the carbon emission times of the transmission derivatives equal to zero in each dimension and the carbon emission of the energy transmission node of the target region at each time.

[0048] According to the time-carbon emission change curve of the energy terminal node of the target region, the tangent expression of each point on the time-carbon emission change curve of the energy terminal node is determined, the terminal derivative is calculated according to the tangent expression of each point, the terminal derivatives greater than zero are added to obtain a first terminal carbon emission change rate, the absolute values of the terminal derivatives less than zero are added to obtain a second terminal carbon emission change rate, the carbon emission corresponding to the terminal derivative equal to zero is compared with a preset terminal stable interval to determine the carbon emission dimension corresponding to the terminal derivative equal to zero, the carbon emission times of the terminal derivatives equal to zero in each dimension are counted, and the carbon emission control index of the energy terminal node is calculated according to the first terminal carbon emission change rate, the second terminal carbon emission change rate, the carbon emission times of the terminal derivatives equal to zero in each dimension and the carbon emission of the energy terminal node of the target region at each time.

[0049] On the basis of the above-mentioned method embodiment, the present application correspondingly provides a system embodiment:

[0050] An embodiment of the present application provides a carbon emission reduction control system for regional energy, comprising: a data acquisition module, a conversion total loss value calculation module, a transmission total loss value calculation module, a node carbon emission calculation module and a node carbon emission reduction control notification generation module.

[0051] The data acquisition module is used for acquiring energy conversion equipment information, energy transmission equipment information, user terminal energy consumption and regional carbon emission of the target region at each time; wherein, the energy conversion equipment information comprises operating temperature, operating power, equipment load, vibration amplitude, axial displacement and lubricating oil image; the energy transmission equipment information comprises line parameters and substation parameters; the line parameters comprise line quantity, line loss base value, line length, line cross-sectional area and line resistance; the substation parameters comprise the number, rated power, actual power and substation temperature of substations;

[0052] The conversion total loss value calculation module is configured to calculate conversion electric power loss values and equipment mechanical loss values of the target region at each moment according to energy conversion equipment information of the target region at each moment, and calculate conversion total loss values of energy conversion equipment of the target region at each moment according to the conversion electric power loss values and the equipment mechanical loss values of the target region at each moment;

[0053] The transmission total loss value calculation module is configured to calculate line transmission total loss values and substation electric power total loss values of the target region at each moment according to energy transmission equipment information of the target region at each moment, and calculate transmission total loss values of energy transmission equipment of the target region at each moment according to the line transmission total loss values and the substation electric power total loss values of the target region at each moment;

[0054] The node carbon emission calculation module is configured to calculate energy conversion node carbon emissions, energy transmission node carbon emissions and energy terminal node carbon emissions of the target region at each moment respectively according to the conversion total loss values, the transmission total loss values, user terminal energy consumption and regional carbon emissions of the target region at each moment.

[0055] The node carbon emission reduction control notification generation module is configured to determine carbon emission control indexes of each node of the target region at each moment according to the energy conversion node carbon emissions, the energy transmission node carbon emissions and the energy terminal node carbon emissions of the target region at each moment, and then determine carbon emission reduction control notifications of each node of the target region at each moment.

[0056] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0057] The present application calculates the conversion total loss value of the energy conversion device at each moment according to the energy conversion device information of the target area at each moment, and calculates the line transmission total loss value and the power total loss value of the transformer substation at each moment according to the energy transmission device information of the target area at each moment, and then calculates the transmission total loss value of the energy transmission device at each moment, and calculates the carbon emission of the energy conversion node, the carbon emission of the energy transmission node and the carbon emission of the energy terminal node at each moment according to the carbon emission of each node of the target area at each moment, and determines the carbon emission control index of each node, and then determines the carbon emission control notification of each node of the target area, that is, the present application first calculates the total loss value of the energy conversion device and the energy transmission device according to the energy conversion device information and the energy transmission device information, and then combines the user terminal energy consumption and the regional carbon emission to comprehensively analyze and calculate the carbon emission of each node, which provides high-accuracy carbon emission for subsequent determination of carbon emission control notification, and then determines the carbon emission control index of each node, so as to determine the carbon emission control notification of each node, improve the accuracy of carbon emission control, and solve the problem that the prior art only classifies and analyzes the energy type used by the user to determine whether the user has carbon emission exceeding the standard, without comprehensively analyzing the carbon emission of each energy node, thereby causing low accuracy of carbon emission control and ultimately affecting the carbon emission effect. BRIEF DESCRIPTION OF DRAWINGS

[0058] Figure 1 : a step flow chart of a regional energy carbon emission control method provided by the embodiment of the present application;

[0059] Figure 2 : a system structure diagram of a regional energy carbon emission control system provided by the embodiment of the present application. DETAILED DESCRIPTION

[0060] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0061] In the description of the present application, it should be understood that the terms "first", "second", "third" and "fourth" are only for description purpose, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.

[0062] Embodiment 1:

[0063] Referring to Figure 1 A step flow chart of a carbon emission reduction management method for district energy is provided for an embodiment of the present application, which method comprises at least the following steps:

[0064] Step S1: Collecting energy conversion equipment information, energy transmission equipment information, user terminal energy consumption and regional carbon emissions of the target area at each time; wherein the energy conversion equipment information includes operating temperature, operating power, equipment load, vibration amplitude, axial displacement and lubricating oil image; the energy transmission equipment information includes line parameters and substation parameters; the line parameters include line quantity, line loss base value, line length, line cross-sectional area and line resistance; the substation parameters include the number of substations, rated power, actual power and substation temperature;

[0065] In this embodiment, the energy conversion equipment information, energy transmission equipment information, user terminal energy consumption and regional carbon emissions of the target area at each time are obtained by a data monitoring device; wherein the energy conversion equipment information includes operating temperature, operating power, equipment load, vibration amplitude, axial displacement and lubricating oil image; the energy transmission equipment information includes line parameters and substation parameters; the line parameters include line quantity, line loss base value, line length, line cross-sectional area and line resistance; the substation parameters include the number of substations, rated power, actual power and substation temperature;

[0066] Step S2: According to the energy conversion equipment information of the target area at each time, calculating the conversion power loss value and the equipment mechanical loss value of the target area at each time, and according to the conversion power loss value and the equipment mechanical loss value of the target area at each time, calculating the total conversion loss value of the energy conversion equipment of the target area at each time;

[0067] In this embodiment, the conversion power loss value of the energy conversion equipment of the target area at each time is calculated according to the operating temperature, operating power and equipment load of the energy conversion equipment information of the target area at each time;

[0068] According to the lubricating oil image of the energy conversion equipment information of the target area at each time, the area of each metal particle in the lubricating oil image is calculated, the area of each metal particle in the lubricating oil image is graded, and the number and total value of the area of each grade of metal particle are counted, and the lubricating oil wear state value of the energy conversion equipment of the target area at each time is calculated;

[0069] According to the lubricating oil wear state value, vibration amplitude and axial displacement of the energy conversion equipment of the target area at each time, the equipment mechanical loss value of the energy conversion equipment of the target area at each time is calculated.

[0070] In the embodiment, the color value and metal particles of the lubricating oil are obtained by image recognition of the lubricating oil image of the energy conversion equipment information of the target region at each time through a photo or image recognizer. The area of each metal particle obtained by the lubricating oil image recognition is calculated by an edge detection algorithm. The area of each metal particle in the lubricating oil image is graded, and the area number and total value of each grade of metal particle are counted. Then, the wear state value of the lubricating oil of the energy conversion equipment of the target region at each time is calculated.

[0071] In the embodiment, the calculation formula of the conversion power loss value of the energy conversion equipment of the target region at each time is as follows:

[0072]

[0073] In the formula, Taj represents the conversion power loss value of the energy conversion equipment of the target region at each time; a6, a7 and a8 represent the first, second and third proportionality coefficients for calculating the conversion power, respectively, and the values thereof can be set by the person skilled in the art according to the actual needs, specifically, the value of a6 can be 0.33, the value of a7 can be 0.45, and the value of a8 can be 0.22; T1j, T2j and T3j represent the operating temperature, operating power and equipment load of the energy conversion equipment information of the target region at each time, respectively; j represents the serial number of any one time; and it can be known from the formula that the higher the equipment temperature, the greater the operating power and the greater the equipment load, the greater the energy conversion loss of the energy conversion equipment and the conversion power loss value.

[0074] In the embodiment, the calculation formula of the wear state value of the lubricating oil of the energy conversion equipment of the target region at each time is as follows:

[0075]

[0076] In the formula, Maj represents the lubricating oil wear state value of the energy conversion equipment of the target area at each time; a1, a2, and a3 represent the first, second, and third proportional coefficients preset for calculating the lubricating oil wear, respectively, and a1>a2>a3>0, the values of which can be set by the person skilled in the art according to actual needs, specifically, a1 can be 0.53, a2 can be 0.32, and a3 can be 0.15; M1j, M2j, and M3j represent the area number of the first, second, and third grades of metal particles at each time, respectively; M4j, M5j, and M6j represent the total area value of the first, second, and third grades of metal particles at each time, respectively; j represents the serial number of any one time; e represents a natural constant; and according to the formula, the more the metal particles in the lubricating oil or the larger the area of the metal particles, the more serious the mechanical wear of the energy conversion equipment, and the larger the lubricating oil wear state value.

[0077] In the present embodiment, the calculation formula of the equipment mechanical wear value of the energy conversion equipment of the target area at each time is as follows:

[0078]

[0079] In the formula, MYj represents the equipment mechanical wear value of the energy conversion equipment of the target area at each time; a4 and a5 represent the first and second proportional coefficients preset for calculating the equipment mechanical wear, respectively, the values of which can be set by the person skilled in the art according to actual needs, specifically, a4 can be 0.51, and a5 can be 0.49; Maj represents the lubricating oil wear state value of the energy conversion equipment of the target area at each time; Yj and Xj represent the vibration amplitude and the axial displacement of the energy conversion equipment of the target area at each time, respectively; and according to the formula, the larger the lubricating oil wear state value, the vibration amplitude, and the axial displacement of the energy conversion equipment, the more obvious the vibration of the energy conversion equipment, the more serious the mechanical wear of the energy conversion equipment, and the larger the equipment mechanical wear value.

[0080] In the present embodiment, the total conversion loss value of the energy conversion equipment of the target area at each time is calculated by the following calculation formula:

[0081]

[0082] Wherein, the FMj represents the conversion total loss value of the energy conversion device of the target area at each moment; the Taj represents the conversion power loss value of the energy conversion device of the target area at each moment; the MYj represents the device mechanical loss value of the energy conversion device of the target area at each moment; the c1 and c2 respectively represent the first and second proportionality coefficients preset for calculating the conversion total loss, which can be set by the person skilled in the art according to actual needs, and specifically the value of c1 can be 1.33 and the value of c2 can be 1.57.

[0083] Step S3: calculating the line power transmission total loss value and the substation power total loss value of the target area at each moment according to the energy transmission device information of the target area at each moment, and calculating the transmission total loss value of the energy transmission device of the target area at each moment according to the line power transmission total loss value and the substation power total loss value of the target area at each moment;

[0084] In the embodiment, for each line of the target area at each moment, the line power transmission loss value of each line is calculated according to the line loss base value, line length, line cross-sectional area and line resistance of each line, and the line power transmission total loss value of the target area at each moment is obtained by summing calculation according to the line quantity and the line power transmission loss value of each line; wherein, the line loss base value represents the loss base value corresponding to different types of line materials.

[0085] For each substation of the target area at each moment, the power loss value of each substation is calculated according to the rated power, actual power and substation temperature of each substation, and the substation power total loss value of the target area at each moment is obtained by summing calculation according to the substation quantity and the power loss value of each substation.

[0086] In the embodiment, the line power transmission loss value of each line and the power loss value of each substation are calculated by the following calculation formula:

[0087] The calculation formula of the line power transmission loss value of each line is as follows:

[0088]

[0089] Wherein, the Ab represents the line power transmission loss value of each line; the b1, b2, b3 and b4 respectively represent the first, second, third and fourth proportionality coefficients preset for calculating the line power transmission loss of each line, which can be set by the person skilled in the art according to actual needs, and specifically the value of b1 can be 2.73, the value of b2 can be 1.47, the value of b3 can be 2.01 and the value of b4 can be 1.95; the A1, A2, A3 and A4 respectively represent the line loss base value, line length, line cross-sectional area and line resistance of each line.

[0090] The calculation formula of the power loss value of each substation is as follows:

[0091]

[0092] wherein the Db represents the power loss value of each substation; the b5 and the b6 represent the first and second proportionality coefficients preset for calculating the power loss of each substation, and the values thereof can be set by the person skilled in the art according to actual needs; specifically, the value of b5 can be 3.44, and the value of b6 can be 3.18; the D1, the D2 and the D3 represent the rated power, the actual power and the substation temperature of each substation; the e represents a natural constant; as can be seen from the formula, the greater the difference between the rated power and the actual power of the substation, the greater the power loss of the substation, and the greater the power loss value; the greater the temperature of the substation, the more likely the overloading operation or other abnormal conditions of the equipment in the substation, which will increase the internal resistance of the equipment, and further cause the additional energy to be converted into heat, thereby increasing the power loss of the substation, and the greater the power loss value.

[0093] In the embodiment, the total transmission loss value of the energy transmission equipment of the target region at each moment is calculated by the following calculation formula:

[0094]

[0095] wherein the ADj represents the total transmission loss value of the energy transmission equipment of the target region at each moment; the ABj and the DBj represent the total line transmission loss value and the total power loss value of the substation of the target region at each moment; the b7 and the b8 represent the first and second proportionality coefficients preset for calculating the total transmission loss, and the values thereof can be set by the person skilled in the art according to actual needs; specifically, the value of b7 can be 0.57, and the value of b8 can be 0.43.

[0096] Step S4: calculating the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target region at each moment according to the total conversion loss value, the total transmission loss value, the user terminal energy consumption and the regional carbon emission of the target region at each moment;

[0097] In the embodiment, the energy conversion node refers to the production link of electric energy, including but not limited to the process of converting resources such as coal, oil and natural gas into electric energy; the energy transmission node refers to the substation and the transmission line and the like through which the power plant delivers electric energy to the energy terminal node through the power grid; and the energy terminal node refers to the process of using electric energy by industry, commerce or residents.

[0098] In the embodiment, the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target region at each moment are calculated by the following calculation formula:

[0099]

[0100] Wherein, the TCj, YCj and NCj represent the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, respectively; the FMj represents the total conversion loss value of the energy conversion device of the target area at each moment; the ADj represents the total transmission loss value of the energy transmission device of the target area at each moment; the Nj represents the user terminal energy consumption; the Cj represents the area carbon emission; the c3, c4 and c5 represent the first, second and third preset proportionality coefficients for calculating the node carbon emission, respectively, and the values thereof can be set by the person skilled in the art according to the actual demand, and specifically, the value of c3 can be 0.21, the value of c4 can be 0.23, and the value of c5 can be 0.56.

[0101] Step S5: According to the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, the carbon emission control index of each node of the target area is determined, and then the carbon emission reduction control notice of each node of the target area is determined.

[0102] In the embodiment, the determination of the carbon emission reduction control notice of each node of the target area comprises:

[0103] According to the energy conversion node carbon emission, the energy transmission node carbon emission and the energy terminal node carbon emission of the target area at each moment, the time-carbon emission change curve of the energy conversion node, the energy transmission node and the energy terminal node of the target area is respectively constructed;

[0104] According to the time-carbon emission change curve of the energy conversion node, the tangent expression of each point on the time-carbon emission change curve of the energy conversion node is determined, the conversion derivative is calculated according to the tangent expression of each point, the conversion carbon emission change rate greater than zero is added, the second conversion carbon emission change rate is obtained by adding the absolute value of the conversion derivative less than zero, the carbon emission corresponding to the conversion derivative equal to zero is compared with the preset conversion stable interval to determine the carbon emission dimension corresponding to the conversion derivative equal to zero, the carbon emission frequency of the conversion derivative equal to zero in each dimension is counted, and the carbon emission control index of the energy conversion node is calculated according to the first conversion carbon emission change rate, the second conversion carbon emission change rate, the carbon emission frequency of the conversion derivative equal to zero in each dimension and the energy conversion node carbon emission of the target area at each moment;

[0105] According to the time-carbon emission change curve of the energy transmission node of the target region, the tangent expression of each point on the time-carbon emission change curve of the energy transmission node is determined, the transmission derivative is calculated according to the tangent expression of each point, the transmission derivatives greater than zero are added to obtain the first transmission carbon emission change rate, the absolute values of the transmission derivatives less than zero are added to obtain the second transmission carbon emission change rate, the carbon emission corresponding to the transmission derivative equal to zero is compared with the preset transmission stable interval to determine the carbon emission dimension corresponding to the transmission derivative equal to zero, the carbon emission times of the transmission derivatives equal to zero in each dimension are counted, and the carbon emission control index of the energy transmission node is calculated according to the first transmission carbon emission change rate, the second transmission carbon emission change rate, the carbon emission times of the transmission derivatives equal to zero in each dimension, and the carbon emission of the energy transmission node of the target region at each moment.

[0106] According to the time-carbon emission change curve of the energy terminal node of the target region, the tangent expression of each point on the time-carbon emission change curve of the energy terminal node is determined, the terminal derivative is calculated according to the tangent expression of each point, the terminal derivatives greater than zero are added to obtain the first terminal carbon emission change rate, the absolute values of the terminal derivatives less than zero are added to obtain the second terminal carbon emission change rate, the carbon emission corresponding to the terminal derivative equal to zero is compared with the preset terminal stable interval to determine the carbon emission dimension corresponding to the terminal derivative equal to zero, the carbon emission times of the terminal derivatives equal to zero in each dimension are counted, and the carbon emission control index of the energy terminal node is calculated according to the first terminal carbon emission change rate, the second terminal carbon emission change rate, the carbon emission times of the terminal derivatives equal to zero in each dimension, and the carbon emission of the energy terminal node of the target region at each moment.

[0107] In this embodiment, the determination of the carbon emission dimension corresponding to the conversion derivative equal to zero and the counting of the carbon emission times of the conversion derivatives equal to zero in each dimension include:

[0108] The carbon emission of the energy conversion node corresponding to the conversion derivative equal to zero is taken as a conversion stable carbon emission, each conversion stable carbon emission is compared with the preset conversion stable interval, when a certain conversion stable carbon emission is greater than the maximum value of the preset conversion stable interval, the conversion stable carbon emission is set as a high-dimensional conversion carbon emission, and the carbon emission times of the high-dimensional conversion carbon emission are accumulated and counted, when a certain conversion stable carbon emission is between the preset conversion stable intervals, the conversion stable carbon emission is set as a medium-dimensional conversion carbon emission, and the carbon emission times of the medium-dimensional conversion carbon emission are accumulated and counted, and when a certain conversion stable carbon emission is less than the minimum value of the preset conversion stable interval, the conversion stable carbon emission is set as a low-dimensional conversion carbon emission, and the carbon emission times of the low-dimensional conversion carbon emission are accumulated and counted.

[0109] In this embodiment, the determination of the carbon emission dimension corresponding to the transmission derivative equal to zero and the counting of the carbon emission times of the transmission derivatives equal to zero in each dimension include:

[0110] The energy transmission node carbon emission corresponding to the transmission derivative equal to zero is set as a transmission stable carbon emission, each transmission stable carbon emission is compared with a preset transmission stable interval, when a certain transmission stable carbon emission is greater than a maximum value of the preset transmission stable interval, the transmission stable carbon emission is set as a high-dimensional transmission carbon emission, and a carbon emission frequency of the high-dimensional transmission carbon emission is accumulated and counted, when a certain transmission stable carbon emission is between preset transmission stable intervals, the transmission stable carbon emission is set as a medium-dimensional transmission carbon emission, and a carbon emission frequency of the medium-dimensional transmission carbon emission is accumulated and counted, when a certain transmission stable carbon emission is less than a minimum value of the preset transmission stable interval, the transmission stable carbon emission is set as a low-dimensional transmission carbon emission, and a carbon emission frequency of the low-dimensional transmission carbon emission is accumulated and counted.

[0111] In the embodiment, the determination of the carbon emission dimension corresponding to the terminal derivative equal to zero and the counting of the carbon emission frequency of each dimension of the terminal derivative equal to zero include:

[0112] The energy terminal node carbon emission corresponding to the terminal derivative equal to zero is set as a terminal stable carbon emission, each terminal stable carbon emission is compared with a preset terminal stable interval, when a certain terminal stable carbon emission is greater than a maximum value of the preset terminal stable interval, the terminal stable carbon emission is set as a high-dimensional terminal carbon emission, and a carbon emission frequency of the high-dimensional terminal carbon emission is accumulated and counted, when a certain terminal stable carbon emission is between preset terminal stable intervals, the terminal stable carbon emission is set as a medium-dimensional terminal carbon emission, and a carbon emission frequency of the medium-dimensional terminal carbon emission is accumulated and counted, when a certain terminal stable carbon emission is less than a minimum value of the preset terminal stable interval, the terminal stable carbon emission is set as a low-dimensional terminal carbon emission, and a carbon emission frequency of the low-dimensional terminal carbon emission is accumulated and counted.

[0113] In the embodiment, the carbon emission control index of each node of the target area is calculated by the following calculation formula:

[0114] The calculation formula of the carbon emission control index of the energy conversion node is as follows:

[0115]

[0116] Wherein, the RF represents the carbon emission control index of the energy conversion node; the TCj represents the carbon emission of the energy conversion node at each time in the target area; the f1, f2, f3 and f4 are respectively a first proportionality coefficient, a second proportionality coefficient, a third proportionality coefficient and a fourth proportionality coefficient preset for calculating the carbon emission control index of the energy conversion node, the values of which can be set by the person skilled in the art according to the actual needs, and specifically, the value of f1 can be 1.38, the value of f2 can be 0.16, the value of f3 can be 0.23, and the value of f4 can be 0.61; the R1 represents the first conversion carbon emission change rate; the R2 represents the second conversion carbon emission change rate; the F1, F2 and F3 represent respectively the carbon emission times of the high-dimensional conversion carbon emission, the carbon emission times of the medium-dimensional conversion carbon emission and the carbon emission times of the low-dimensional conversion carbon emission; the j = 1, 2, 3…J, J is a positive integer, J represents the total number of collection time, and j represents the serial number of any one collection time; as can be seen from the formula, the greater the carbon emission times of the low-dimensional conversion carbon emission, the more times the carbon emission of the energy conversion node is maintained in a relatively low carbon emission state, the smaller the need for emission reduction control, and the smaller the carbon emission control index of the energy conversion node; when the carbon emission of the energy conversion node as a whole presents an increasing trend, and the greater the increasing trend (i.e. the greater the R2), the greater the carbon emission control index of the energy conversion node;

[0117] The calculation formula of the carbon emission control index of the energy transmission node is as follows:

[0118]

[0119] Wherein, the RH represents the carbon emission control index of the energy transmission node; the YCj represents the carbon emission of the energy transmission node of the target area at each time; the h1, h2, h3 and h4 are respectively the first, second, third and fourth preset proportion coefficients for calculating the carbon emission control index of the energy transmission node, the values of which can be set by the person skilled in the art according to the actual demand, and the specific values of h1 can be 1.64, the values of h2 can be 0.11, the values of h3 can be 0.31, and the values of h4 can be 0.58; the R3 represents the first transmission carbon emission change rate; the R4 represents the second transmission carbon emission change rate; the H1, H2 and H3 represent respectively the carbon emission times of the high-dimensional transmission carbon emission, the carbon emission times of the medium-dimensional transmission carbon emission and the carbon emission times of the low-dimensional transmission carbon emission; the j = 1, 2, 3…J, J is a positive integer, J represents the total number of collection times, and j represents the serial number of any one collection time; as can be seen from the formula, the greater the carbon emission times of the low-dimensional transmission carbon emission, the more times the carbon emission of the energy transmission node is maintained in a relatively low carbon emission state, the smaller the need for emission reduction control, and the smaller the carbon emission control index of the energy transmission node; when the carbon emission of the energy transmission node as a whole presents an increasing trend, and the greater the increasing trend (i.e. , the greater the carbon emission control index of the energy transmission node;

[0120] The calculation formula of the carbon emission control index of the energy terminal node is as follows:

[0121]

[0122] Wherein, the RV represents the carbon emission control index of the energy terminal node; the NCj represents the carbon emission of the energy terminal node at each time of the target area; the v1, v2, v3 and v4 are respectively a first proportion coefficient, a second proportion coefficient, a third proportion coefficient and a fourth proportion coefficient preset for calculating the carbon emission control index of the energy terminal node, the values of which can be set by the person skilled in the art according to actual needs, and specifically, the value of v1 can be 1.72, the value of v2 can be 0.20, the value of v3 can be 0.28, and the value of v4 can be 0.62; the R5 represents the first terminal carbon emission change rate; the R6 represents the second terminal carbon emission change rate; the V1, V2 and V3 respectively represent the carbon emission times of the high-dimensional terminal carbon emission, the carbon emission times of the medium-dimensional terminal carbon emission and the carbon emission times of the low-dimensional terminal carbon emission; the j = 1, 2, 3…J, J is a positive integer, J represents the total number of collection times, and j represents the serial number of any one collection time; as can be seen from the formula, the greater the carbon emission times of the low-dimensional terminal carbon emission, the more times the carbon emission of the energy terminal node is maintained in a relatively low carbon emission state, the smaller the need for emission reduction control, and the smaller the carbon emission control index of the energy terminal node; when the carbon emission of the energy terminal node as a whole presents an increasing trend, and the greater the increasing trend (i.e. ), the greater the carbon emission control index of the energy terminal node.

[0123] In the embodiment, the carbon emission control index of the energy conversion node is compared with a preset conversion control threshold value, and when the carbon emission control index of the energy conversion node is greater than the preset conversion control threshold value, a carbon emission reduction control notice of the energy conversion node is generated; wherein, the specific example of the carbon emission reduction control notice of the energy conversion node can be referred to as follows:

[0124] Notification number: the year in which the current control notice is generated-CN-1001;

[0125] According to the control analysis of the energy conversion node on a certain day of a certain month of a certain year (the time at which the current control notice is generated), the carbon emission anomaly of the energy conversion node needs to be controlled, and this anomaly may affect the carbon footprint control target of the overall energy conversion system.

[0126] In the embodiment, the carbon emission control index of the energy transmission node is compared with a preset transmission control threshold value, and when the carbon emission control index of the energy transmission node is greater than the preset transmission control threshold value, a carbon emission reduction control notice of the energy transmission node is generated; wherein, the specific example of the carbon emission reduction control notice of the energy transmission node can be referred to as follows:

[0127] Notification number: the year in which the current control notice is generated-CN-1002;

[0128] According to the control analysis of the energy transportation node on a certain day (the time of generating the current control notice) of a certain month of a certain year, carbon emission of the energy transportation node needs to be controlled, and this exception may affect the carbon footprint control target of the overall energy conversion system.

[0129] In the embodiment, the carbon emission control index of the energy terminal node is compared with the preset terminal control threshold, and when the carbon emission control index of the energy terminal node is greater than the preset terminal control threshold, a carbon emission control notice of the energy terminal node is generated; wherein the specific example of the carbon emission control notice of the energy terminal node can be referred to as follows:

[0130] Notification number: the year of generating the current control notice-CN-1003;

[0131] According to the control analysis of the energy terminal node on a certain day (the time of generating the current control notice) of a certain month of a certain year, carbon emission of the energy terminal node needs to be controlled, and this exception may affect the carbon footprint control target of the overall energy conversion system.

[0132] Embodiment 2:

[0133] Referring to Figure 2 A system structure diagram of a carbon emission control system for regional energy provided by the embodiment of the application, the system comprises a data acquisition module, a conversion total loss value calculation module, a transmission total loss value calculation module, a node carbon emission calculation module and a node carbon emission control notice generation module;

[0134] The data acquisition module is used to acquire energy conversion equipment information, energy transmission equipment information, user terminal energy consumption and regional carbon emission of the target region at each time; wherein the energy conversion equipment information comprises operating temperature, operating power, equipment load, vibration amplitude, axial displacement and lubricating oil image; the energy transmission equipment information comprises line parameters and substation parameters; the line parameters comprise line quantity, line loss base value, line length, line cross-sectional area and line resistance; the substation parameters comprise the number of substations, rated power, actual power and substation temperature;

[0135] The conversion total loss value calculation module is used to calculate conversion power loss values and equipment mechanical loss values of the target region at each time according to the energy conversion equipment information of the target region at each time, and calculate conversion total loss values of the energy conversion equipment of the target region at each time according to the conversion power loss values and the equipment mechanical loss values of the target region at each time;

[0136] The transmission total loss value calculation module is configured to calculate line power transmission total loss values and substation power total loss values of the target region at each moment according to the energy transmission equipment information of the target region at each moment, and calculate transmission total loss values of the energy transmission equipment of the target region at each moment according to the line power transmission total loss values and the substation power total loss values of the target region at each moment;

[0137] The node carbon emission calculation module is configured to calculate energy conversion node carbon emissions, energy transmission node carbon emissions and energy terminal node carbon emissions of the target region at each moment respectively according to the conversion total loss values, the transmission total loss values, the user terminal energy consumption and the regional carbon emissions of the target region at each moment.

[0138] The node carbon emission reduction control notification generation module is configured to determine carbon emission control indexes of each node of the target region at each moment respectively according to the energy conversion node carbon emissions, the energy transmission node carbon emissions and the energy terminal node carbon emissions of the target region at each moment, and then determine carbon emission reduction control notifications of each node of the target region at each moment respectively.

[0139] The above embodiments further illustrate the purpose, technical solutions and advantages of the present application. It should be understood that the above embodiments are merely specific embodiments of the present application and are not intended to limit the protection scope of the present application. It should be particularly pointed out that any modification, equivalent replacement, improvement, etc. made by those skilled in the art within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A method for managing carbon emission reduction in regional energy use, characterized in that, include: The system collects information on energy conversion equipment, energy transmission equipment, user terminal energy consumption, and regional carbon emissions at various times within the target area. The energy conversion equipment information includes operating temperature, operating power, equipment load, vibration amplitude, axial displacement, and lubricating oil images. The energy transmission equipment information includes line parameters and substation parameters. The line parameters include the number of lines, line loss baseline, line length, line cross-sectional area, and line resistance. The substation parameters include the number of substations, rated power, actual power, and substation temperature. Based on the energy conversion equipment information of the target area at each time, calculate the conversion power loss value and equipment mechanical loss value of the target area at each time, and calculate the total conversion loss value of the energy conversion equipment of the target area at each time based on the conversion power loss value and equipment mechanical loss value of the target area at each time. Based on the energy transmission equipment information of the target area at each time, calculate the total line transmission loss value and the total substation power loss value of the target area at each time. Based on the total line transmission loss value and the total substation power loss value of the target area at each time, calculate the total transmission loss value of the energy transmission equipment of the target area at each time. Based on the total conversion loss, total transmission loss, user terminal energy consumption, and regional carbon emissions at each time point in the target area, calculate the carbon emissions of energy conversion nodes, energy transmission nodes, and energy terminal nodes at each time point in the target area. Based on the carbon emissions of energy conversion nodes, energy transmission nodes, and energy terminal nodes at various times in the target area, the carbon emission control index for each node in the target area is determined, and then the carbon emission reduction control notice for each node in the target area is determined.

2. The method for regional energy carbon emission reduction and control according to claim 1, characterized in that, The calculation of the conversion power loss value and equipment mechanical loss value of the target area at each time includes: Calculate the conversion power loss value of the energy conversion equipment at each moment in the target area based on the operating temperature, operating power and equipment load of the energy conversion equipment at each moment in the target area; Based on the lubricating oil images of energy conversion equipment information in the target area at each time, calculate the area of ​​each metal particle in the lubricating oil image, classify the area of ​​each metal particle in the lubricating oil image into levels, and count the number of metal particles in each level and the total area value, and calculate the lubricating oil wear state value of the energy conversion equipment in the target area at each time. Based on the lubricating oil wear status, vibration amplitude, and axial displacement of the energy conversion equipment in the target area at each time, calculate the mechanical loss value of the energy conversion equipment in the target area at each time.

3. The method for regional energy carbon emission reduction and control according to claim 2, characterized in that, The following formulas are used to calculate the conversion power loss, lubricating oil wear condition, and equipment mechanical loss of the energy conversion equipment in the target area at various times: The formula for calculating the conversion power loss of energy conversion equipment in the target area at different times is as follows: Wherein, Taj represents the power loss value of the energy conversion equipment at each moment in the target area; a6, a7, and a8 represent the first, second, and third proportional coefficients preset for calculating the converted power, respectively; T1j, T2j, and T3j represent the operating temperature, operating power, and equipment load of the energy conversion equipment at each moment in the target area, respectively; and j represents the sequence number of any moment. The formula for calculating the lubricating oil wear state value of the energy conversion equipment in the target area at each time is as follows: Wherein, Maj represents the lubricating oil wear state value of the energy conversion equipment in the target area at each moment; a1, a2, and a3 represent the first, second, and third proportional coefficients preset for calculating lubricating oil wear, respectively, and a1 > a2 > a3; M1j, M2j, and M3j represent the number of metal particles in the first, second, and third levels at each moment, respectively; M4j, M5j, and M6j represent the total area of ​​metal particles in the first, second, and third levels at each moment, respectively; j represents the sequence number of any moment; and e represents the natural constant. The formula for calculating the mechanical loss value of the energy conversion equipment in the target area at each time point is as follows: Wherein, MYj represents the mechanical loss value of the energy conversion equipment at each moment in the target area; a4 and a5 represent the first and second proportional coefficients preset for calculating the mechanical loss of the equipment, respectively; Maj represents the lubricating oil wear state value of the energy conversion equipment at each moment in the target area; Yj and Xj represent the vibration amplitude and axial displacement of the energy conversion equipment at each moment in the target area, respectively.

4. The method for regional energy carbon emission reduction and control according to claim 3, characterized in that, The total conversion loss of energy conversion equipment in the target area at each time point is calculated using the following formula: Wherein, FMj represents the total conversion loss value of the energy conversion equipment in the target area at each time; Taj represents the conversion power loss value of the energy conversion equipment in the target area at each time; MYj represents the equipment mechanical loss value of the energy conversion equipment in the target area at each time; and c1 and c2 represent the first proportional coefficient and the second proportional coefficient preset for calculating the total conversion loss, respectively.

5. The method for regional energy carbon emission reduction and control according to claim 4, characterized in that, The calculation of the total transmission loss of the line and the total power loss of the substation in the target area at each time point includes: For each line segment in the target area at each time, the line transmission loss value of each line segment is calculated based on the line loss base value, line length, line cross-sectional area and line resistance. The total line transmission loss value of the target area at each time is obtained by summing the line transmission loss values ​​of each line segment based on the number of lines and the line transmission loss values ​​of each line segment. For each substation in the target area at any given time, the power loss value of each substation is calculated based on its rated power, actual power, and substation temperature. The total power loss value of the substations in the target area at any given time is obtained by summing the power loss values ​​of each substation and the number of substations.

6. The method for regional energy carbon emission reduction and control according to claim 5, characterized in that, The transmission loss values ​​for each section of the line and the power loss values ​​for each substation are calculated using the following formulas: The formulas for calculating the transmission loss values ​​of each section of the line are as follows: Wherein, Ab represents the line transmission loss value of each line segment; b1, b2, b3 and b4 represent the first proportional coefficient, the second proportional coefficient, the third proportional coefficient and the fourth proportional coefficient preset for calculating the transmission loss of each line segment, respectively; A1, A2, A3 and A4 represent the line loss base value, line length, line cross-sectional area and line resistance of each line segment, respectively. The formulas for calculating the power loss values ​​of each substation are as follows: Wherein, Db represents the power loss value of each substation; b5 and b6 represent the first and second proportional coefficients preset for calculating the power loss of each substation, respectively; D1, D2 and D3 represent the rated power, actual power and substation temperature of each substation, respectively; and e represents the natural constant.

7. The method for regional energy carbon emission reduction and control according to claim 6, characterized in that, The total transmission loss of energy transmission equipment in the target area at each time moment is calculated using the following formula: Wherein, ADj represents the total transmission loss of energy transmission equipment in the target area at each time; ABj and DBj represent the total line transmission loss and the total substation power loss in the target area at each time, respectively; and b7 and b8 represent the first and second proportional coefficients preset for calculating the total transmission loss, respectively.

8. The method for regional energy carbon emission reduction and control according to claim 7, characterized in that, The carbon emissions at energy conversion nodes, energy transmission nodes, and energy terminal nodes in the target area at each time point are calculated using the following formulas: Wherein, TCj, YCj, and NCj represent the carbon emissions of energy conversion nodes, energy transmission nodes, and energy terminal nodes in the target area at each time point, respectively; FMj represents the total conversion loss of energy conversion equipment in the target area at each time point; ADj represents the total transmission loss of energy transmission equipment in the target area at each time point; Nj represents the energy consumption of user terminals; Cj represents the regional carbon emissions; and c3, c4, and c5 represent the first, second, and third proportional coefficients preset for calculating the carbon emissions of nodes, respectively.

9. A method for regional energy carbon emission reduction and control according to claim 8, characterized in that, The determination of the carbon emission control index for each node in the target area includes: Based on the carbon emissions of energy conversion nodes, energy transmission nodes, and energy terminal nodes in the target area at each time point, time-carbon emission variation curves of energy conversion nodes, energy transmission nodes, and energy terminal nodes in the target area are constructed respectively. Based on the time-carbon emission change curve of the energy conversion node in the target area, determine the tangent expression for each point on the time-carbon emission change curve of the energy conversion node. Calculate the conversion derivative based on the tangent expression for each point. Sum the conversion derivatives that are greater than zero to obtain the first conversion carbon emission change rate. Sum the absolute values ​​of the conversion derivatives that are less than zero to obtain the second conversion carbon emission change rate. Compare the carbon emission corresponding to the conversion derivative equal to zero with the preset conversion stability interval to determine the carbon emission dimension corresponding to the conversion derivative equal to zero. Count the number of carbon emissions for each dimension of the conversion derivative equal to zero. Calculate the carbon emission control index of the energy conversion node based on the first conversion carbon emission change rate, the second conversion carbon emission change rate, the number of carbon emissions for each dimension of the conversion derivative equal to zero, and the carbon emission of the energy conversion node at each time point in the target area. Based on the time-carbon emission change curve of the energy transmission nodes in the target area, determine the tangent expression for each point on the time-carbon emission change curve of the energy transmission nodes. Calculate the transmission derivative based on the tangent expression for each point. Sum the transmission derivatives that are greater than zero to obtain the first transmission carbon emission change rate. Sum the absolute values ​​of the transmission derivatives that are less than zero to obtain the second transmission carbon emission change rate. Compare the carbon emission corresponding to the transmission derivative equal to zero with the preset transmission stability interval to determine the carbon emission dimension corresponding to the transmission derivative equal to zero. Count the number of carbon emissions for each dimension of the transmission derivative equal to zero. Calculate the carbon emission control index of the energy transmission nodes based on the first transmission carbon emission change rate, the second transmission carbon emission change rate, the number of carbon emissions for each dimension of the transmission derivative equal to zero, and the carbon emission of the energy transmission nodes in the target area at each time point. Based on the time-carbon emission change curves of energy terminal nodes in the target area, the tangent expressions for each point on the time-carbon emission change curves of energy terminal nodes are determined. Terminal derivatives are calculated based on the tangent expressions for each point. Terminal derivatives greater than zero are summed to obtain the first terminal carbon emission change rate. The absolute values ​​of terminal derivatives less than zero are summed to obtain the second terminal carbon emission change rate. The carbon emission corresponding to a terminal derivative equal to zero is compared with a preset terminal stability interval to determine the carbon emission dimension corresponding to a terminal derivative equal to zero. The number of carbon emissions for each dimension of terminal derivative equal to zero is counted. Based on the first terminal carbon emission change rate, the second terminal carbon emission change rate, the number of carbon emissions for each dimension of terminal derivative equal to zero, and the carbon emission of energy terminal nodes in the target area at each time point, the carbon emission control index of the energy terminal nodes is calculated.

10. A regional energy carbon emission reduction and control system, characterized in that, include: The module includes a data acquisition module, a total conversion loss calculation module, a total transmission loss calculation module, a node carbon emission calculation module, and a node carbon emission reduction control and management notification generation module. The data acquisition module is used to collect information on energy conversion equipment, energy transmission equipment, user terminal energy consumption, and regional carbon emissions at various times in the target area. The energy conversion equipment information includes operating temperature, operating power, equipment load, vibration amplitude, axial displacement, and lubricating oil image. The energy transmission equipment information includes line parameters and substation parameters. The line parameters include the number of lines, line loss baseline, line length, line cross-sectional area, and line resistance. The substation parameters include the number of substations, rated power, actual power, and substation temperature. The total conversion loss calculation module is used to calculate the conversion power loss value and equipment mechanical loss value of the target area at each time based on the energy conversion equipment information of the target area at each time, and to calculate the total conversion loss value of the energy conversion equipment at each time based on the conversion power loss value and equipment mechanical loss value of the target area at each time. The total transmission loss calculation module is used to calculate the total line transmission loss and the total substation power loss of the target area at each time based on the energy transmission equipment information of the target area at each time, and to calculate the total transmission loss of the energy transmission equipment at each time based on the total line transmission loss and the total substation power loss of the target area at each time. The node carbon emission calculation module is used to calculate the carbon emission of energy conversion nodes, energy transmission nodes, and energy terminal nodes at each time in the target area based on the total conversion loss value, total transmission loss value, user terminal energy consumption, and regional carbon emission at each time in the target area. The node carbon emission reduction control notification generation module is used to determine the carbon emission control index of each node in the target area based on the carbon emission of energy conversion nodes, carbon emission of energy transmission nodes and carbon emission of energy terminal nodes at each time in the target area, and then determine the carbon emission reduction control notification of each node in the target area.

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