Multifunctional substation energy carbon management terminal

Abstract

The present invention discloses a multifunctional substation energy carbon management terminal, including a data acquisition module, a data processing and storage module, a statistical analysis module, a communication module and a display module; the data acquisition module is connected to the electric energy acquisition terminal configured in the substation, and is used to collect the incoming and outgoing line watt-hour meter data of the substation connected to the electric energy acquisition terminal, and collect the energy consumption data, water consumption data, and new energy power generation data of the station's electrical equipment; the statistical analysis module is based on the local carbon emission factor database, and calculates the carbon emissions corresponding to the substation operation and the energy consumption of the station's electrical equipment according to the electric power data and water consumption data of the substation's incoming and outgoing line metering meters; at the same time, the proportion of the energy consumption data of the substation operation in the total power supply energy consumption is calculated and dynamically updated according to the total power supply data. The present invention can comprehensively count the carbon emissions of the total energy consumption of the substation operation.

Description

Technical Field

[0001] The present invention relates to the technical field of substation energy management, and in particular to a multifunctional substation energy carbon management terminal. Background Art

[0002] As global energy issues become increasingly severe, the energy consumption management and carbon emissions monitoring of substations are becoming more and more important. Traditional substation energy management systems have single functions and incompatible communication protocols. They cannot effectively collect and analyze substation operation energy consumption data, and cannot accurately count the carbon emissions of substation operation under the consideration of new energy generation in substations, and cannot meet the current requirements for energy conservation and emission reduction. Therefore, it is of great significance to develop a substation energy carbon management terminal with comprehensive functions, good communication compatibility, and accurate carbon emissions statistics.

[0003] Therefore, how to comprehensively count the carbon emissions of the total energy consumption of substation operation, and calculate the physical efficiency, economic efficiency and ecological efficiency of substation operation energy consumption, while also having a graphical display interface and remote communication interface, and being able to save historical statistical data on-site has become a technical problem that technical personnel in this field urgently need to solve. Summary of the invention

[0004] In view of the above-mentioned defects of the prior art, the present invention provides a multifunctional substation energy carbon management terminal, which aims to comprehensively count the carbon emissions of the total energy consumption of the substation operation, and calculate the physical efficiency, economic efficiency and ecological efficiency of the substation operation energy consumption. At the same time, it can also have a graphical display interface and a remote communication interface, and can save historical statistical data on-site.

[0005] To achieve the above-mentioned purpose, the present invention discloses a multifunctional substation energy carbon management terminal; comprising a data acquisition module, a data processing and storage module, a statistical analysis module, a communication module and a display module;

[0006] The data acquisition module is connected to the electric energy acquisition terminal configured in the substation, and is used to collect the data of the incoming and outgoing line electricity meters of the substation connected to the electric energy acquisition terminal, and collect the energy consumption data, water consumption data, and new energy power generation data of the station's electrical equipment;

[0007] The data processing and storage module is used to receive the unprocessed data transmitted by the data acquisition module, and after receiving the unprocessed data, perform data filtering and data cleaning on the unprocessed data, and implement data local storage for the unprocessed data;

[0008] The statistical analysis module calculates the carbon emissions corresponding to the operation of the substation and the energy consumption of the power equipment of the substation based on the local carbon emission factor database and the power data and water consumption data of the incoming and outgoing electricity meters of the substation;

[0009] At the same time, the proportion of the energy consumption data of the substation operation in the total power supply energy consumption is calculated and dynamically updated based on the total power supply data, including statistical calculation of physical efficiency, economic efficiency and ecological efficiency;

[0010] The communication module is used to support data interaction and command transmission with remote systems including the superior dispatch center and the cloud platform, realize remote monitoring and management, and regularly obtain data updates including carbon emission factors from the remote system to maintain data consistency;

[0011] The display module is an intuitive and easy-to-use graphical display interface equipped for the management terminal, which displays the real-time values ​​and historical trends of key indicators including the total energy consumption of substation operation, total energy consumption of station power equipment, new energy power generation, sub-item energy consumption, carbon emissions and / or proportion in the form of charts and / or curves.

[0012] Preferably, the electric energy collection terminal is connected to all the incoming and outgoing lines and main transformer meters of the substation through various communication interfaces; the data collection module collects the incoming and outgoing line meter data of the substation to which the electric energy collection terminal is connected, the energy consumption data of the station's electrical equipment, the water consumption data, and the new energy power generation data in real time through various communication interfaces and various communication protocols.

[0013] More preferably, the various communication interfaces include RS485, Ethernet, Wi-Fi and / or Bluetooth, etc.

[0014] The various communication protocols include DL / T645, Modbus, IEC60870-5-101, IEC60870-5-104 and / or IEC 61850, etc.

[0015] Preferably, the data processing and storage module completes data cleaning when storing the unprocessed data locally, filters out abnormal data with abnormal details in the unprocessed data, and then uses historical data for linear extrapolation to obtain predicted data as candidate data for the abnormal data.

[0016] More preferably, the data processing and storage module includes a storage device with a capacity of 32G or more; the historical data is historical statistical data stored on-site for at least one year.

[0017] Preferably, the calculation formula for the substation operation carbon emissions is:

[0018] C total =P e ×CK p +W e ×CK w

[0019] in:

[0020] P e It is the total power consumption of the substation during the statistical period minus the power generation of new energy, in kilowatt-hours, i.e. kWh. The calculation formula is:

[0021] P Ji The total electricity consumption of each incoming line meter;

[0022] P Ci The total electricity consumption of each outgoing line meter;

[0023] n is the number of incoming lines;

[0024] m is the number of outgoing wires;

[0025] P ne The amount of electricity generated by renewable energy during the statistical period;

[0026] CK p is the carbon emission factor corresponding to unit electricity;

[0027] W e The water consumption of the substation during the statistical period, in cubic meters, i.e. m 3 ;

[0028] CK w is the carbon emission factor corresponding to unit water consumption;

[0029] The calculation formula for carbon emissions from power equipment in a station is:

[0030] C stotal =P se ×CK p

[0031] in:

[0032] P se The total power consumption of the substation's electrical equipment during the statistical period, in kilowatt-hours, i.e. kWh;

[0033] The calculation formula of physical efficiency is as follows:

[0034]

[0035] in:

[0036] η phy It is the physical efficiency of energy consumption of substation operation during the statistical period;

[0037] Coe w Comparable comprehensive energy consumption per unit water supply, in kWh / m 3 ;

[0038] P totalThe total electricity consumption of the substation incoming electricity meter during the statistical period, in kilowatt-hours, i.e. kWh;

[0039] The calculation formula of economic efficiency is as follows:

[0040]

[0041] in:

[0042] η eco It is the total economic efficiency of substation operation energy consumption during the statistical period;

[0043] COST p is the unit electricity price, in yuan / kWh;

[0044] COST w Unit water price, in yuan / m 3 .

[0045] The calculation formula of the eco-efficiency is as follows:

[0046]

[0047] in:

[0048] η ecol It is the total eco-efficiency of substation operation energy consumption during the statistical period.

[0049] Preferably, the communication module is a built-in 4G / 5G, WIFI and / or Ethernet connection module.

[0050] Preferably, the data processing and storage module supports multiple time intervals for local storage of the unprocessed data, specifically including 1 minute intervals, 5 minute intervals or 15 minute intervals.

[0051] Preferably, the data processing and storage module saves historical energy consumption data, carbon emission data and / or proportion data according to preset rules.

[0052] More preferably, the preset rules include time series and / or event triggering.

[0053] Beneficial effects of the present invention:

[0054] The present invention can comprehensively count the carbon emissions of the total energy consumption of the substation operation, and calculate the physical efficiency, economic efficiency and ecological efficiency of the substation operation energy consumption. At the same time, it can also have a graphical display interface and a remote communication interface, and can save historical statistical data on the spot.

[0055] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0056] Figure 1 A schematic structural diagram of an embodiment of the present invention is shown.

[0057] Figure 2 A working logic diagram of an embodiment of the present invention is shown. DETAILED DESCRIPTION

[0058] Example

[0059] like Figure 1 and Figure 2 As shown, the multifunctional substation energy carbon management terminal includes a data acquisition module, a data processing and storage module, a statistical analysis module, a communication module and a display module;

[0060] The data acquisition module is connected to the electric energy acquisition terminal configured in the substation, and is used to collect the data of the incoming and outgoing line electricity meters of the substation connected to the electric energy acquisition terminal, and collect the energy consumption data, water consumption data, and new energy power generation data of the station's electrical equipment;

[0061] The electric energy collection terminal is a common device in a substation, and is usually connected to all incoming and outgoing lines and main transformer meters of the substation.

[0062] The statistical analysis module is based on the local carbon emission factor database and calculates the carbon emissions corresponding to the substation operation and the energy consumption of the station's electrical equipment according to the electricity consumption data and water consumption data of the substation's incoming and outgoing electricity meters. Normally, the statistical analysis module needs to be calculated based on the carbon emission factor database of the country or region.

[0063] At the same time, the proportion of substation operation energy consumption data in the total power supply energy consumption is calculated and dynamically updated based on the total power supply data, including statistical calculation of physical efficiency, economic efficiency and ecological efficiency;

[0064] The statistical analysis module calculates and dynamically updates the proportion of the substation's total operating energy consumption in the total power supply energy consumption based on the total power supply data, and calculates the physical efficiency, economic efficiency and ecological efficiency respectively, which can provide data support for energy efficiency optimization and carbon emission reduction decisions.

[0065] The communication module is used to support data interaction and command transmission with remote systems including the superior dispatch center and cloud platform, realize remote monitoring and management, and regularly obtain data updates including carbon emission factors from remote systems to maintain data consistency;

[0066] The display module is an intuitive and easy-to-use graphical display interface equipped for the management terminal, which displays the real-time values ​​and historical trends of key indicators including total energy consumption of substation operation, total energy consumption of station power equipment, new energy power generation, sub-item energy consumption, carbon emissions and / or proportion in the form of charts and / or curves.

[0067] The display module enables operation and maintenance personnel to quickly understand and grasp the energy efficiency and carbon emissions status of the substation.

[0068] The present invention periodically or event-triggeredly sends data request commands to each electric meter, smart water meter, energy consumption collection device, and new energy power generation system, receives and analyzes the returned energy consumption data, and sends the data to the data processing and storage module. Among them, the electric meter, smart water meter, energy consumption collection device, and new energy power generation system are realized by existing technologies and are not within the scope of the present invention.

[0069] The present invention has a variety of communication interfaces and communication protocols, and can collect the data of the substation's incoming and outgoing metering meters, the energy consumption data of the station's electrical equipment, the substation's water consumption data, and the new energy power generation data connected to the substation's electric energy collection terminal, count the carbon emissions of the substation's operation and the total energy consumption of the station's electrical equipment, and calculate the physical efficiency, economic efficiency, and ecological efficiency indicators of the substation's operating energy consumption.

[0070] All substations are equipped with electric energy collection terminals, which are connected to all incoming and outgoing lines and main transformer meters of the substation via RS485.

[0071] In some embodiments, the electric energy collection terminal is connected to all the incoming and outgoing lines and main transformer meters of the substation through various communication interfaces; the data collection module collects the incoming and outgoing line meter data of the substation to which the electric energy collection terminal is connected in real time through various communication interfaces and various communication protocols, and collects the energy consumption data, water consumption data, and new energy power generation data of the station's electrical equipment.

[0072] In some embodiments, the various communication interfaces include RS485, Ethernet, Wi-Fi, and / or Bluetooth, among others.

[0073] Various communication protocols include DL / T645, Modbus, IEC60870-5-101, IEC60870-5-104 and / or IEC61850, etc.

[0074] In practical applications, the data acquisition module can ensure compatibility with different types of meters and device data access through various communication interfaces including RS485, Ethernet, Wi-Fi and / or Bluetooth.

[0075] Various communication protocols including DL / T645, Modbus, IEC60870-5-101, IEC60870-5-104 and / or IEC 61850 are used to collect the data of the incoming and outgoing metering meters of the substation connected to the electric energy collection terminal of the substation in real time, and collect the energy consumption data, water consumption data and new energy power generation data of the station's electrical equipment. It can ensure seamless connection with various types of incoming and outgoing metering meters, station electrical equipment energy consumption collection terminals, smart water meters, and new energy power generation systems to achieve efficient collection of energy consumption data.

[0076] In actual applications, it is necessary to configure the terminal communication interface and set the corresponding communication parameters according to the actual situation of the substation equipment to ensure stable connection with each electricity meter, smart water meter and equipment, and load and configure the protocol parsing library according to the equipment communication protocol.

[0077] In some embodiments, the data processing and storage module completes data cleaning when storing unprocessed data locally, filters out abnormal data with abnormal details in the unprocessed data, and then uses historical data for linear extrapolation to obtain predicted data as candidate data for abnormal data.

[0078] In some embodiments, the data processing and storage module includes a storage device with a capacity of 32G or more; the historical data is historical statistical data stored on-site for at least one year.

[0079] The above-mentioned technical means can ensure data integrity and the ability to operate independently in the event of a network outage.

[0080] In some embodiments, the calculation formula for substation operation carbon emissions is:

[0081] C total =P e ×CK p +W e ×CK w

[0082] in:

[0083] P e It is the total power consumption of the substation during the statistical period minus the power generation of new energy, in kilowatt-hours, i.e. kWh. The calculation formula is:

[0084] P Ji The total electricity consumption of each incoming line meter;

[0085] P Ci The total electricity consumption of each outgoing line meter;

[0086] n is the number of incoming lines;

[0087] m is the number of outgoing wires;

[0088] P ne The amount of electricity generated by renewable energy during the statistical period;

[0089] CK p is the carbon emission factor corresponding to unit electricity;

[0090] W e The water consumption of the substation during the statistical period, in cubic meters, i.e. m 3 ;

[0091] CK w is the carbon emission factor corresponding to unit water consumption;

[0092] The calculation formula for carbon emissions from power equipment in a station is:

[0093] C stotal =P se ×CK p

[0094] in:

[0095] P se The total power consumption of the substation's electrical equipment during the statistical period, in kilowatt-hours, i.e. kWh;

[0096] The calculation formula of physical efficiency is as follows:

[0097]

[0098] in:

[0099] η phy It is the physical efficiency of energy consumption of substation operation during the statistical period;

[0100] Coe w Comparable comprehensive energy consumption per unit water supply, in kWh / m 3 ;

[0101] P total The total electricity consumption of the substation incoming electricity meter during the statistical period, in kilowatt-hours, i.e. kWh;

[0102] The calculation formula of economic efficiency is as follows:

[0103]

[0104] in:

[0105] η eco It is the total economic efficiency of substation operation energy consumption during the statistical period;

[0106] COST p is the unit electricity price, in yuan / kWh;

[0107] COST w Unit water price, in yuan / m 3 .

[0108] The calculation formula of the eco-efficiency is as follows:

[0109]

[0110] in:

[0111] η ecol It is the total eco-efficiency of substation operation energy consumption during the statistical period.

[0112] In some embodiments, the communication module is a built-in 4G / 5G, WIFI and / or Ethernet connection module.

[0113] In some embodiments, the data processing and storage module implements local storage of unprocessed data and supports multiple time intervals, specifically including 1 minute interval, 5 minute interval or 15 minute interval.

[0114] In some embodiments, the data processing and storage module saves historical energy consumption data, carbon emission data and / or percentage data according to preset rules.

[0115] In practical applications, the above technical means can ensure long-term traceability and analysis of data.

[0116] In some embodiments, the preset rules include time sequences and / or event triggers.

[0117] The preferred specific embodiments of the present invention are described in detail above. It should be understood that a person skilled in the art can make many modifications and changes based on the concept of the present invention without creative work. Therefore, any technical solution that can be obtained by a person skilled in the art through logical analysis, reasoning or limited experiments based on the concept of the present invention on the basis of the prior art should be within the scope of protection determined by the claims.

Claims

1. Multifunctional substation energy carbon management terminal; characterized by: It includes data acquisition module, data processing and storage module, statistical analysis module, communication module and display module; The data acquisition module is connected to the electric energy acquisition terminal configured in the substation, and is used to collect the data of the incoming and outgoing line electricity meters of the substation connected to the electric energy acquisition terminal, and collect the energy consumption data, water consumption data, and new energy power generation data of the station's electrical equipment; The statistical analysis module calculates the carbon emissions corresponding to the operation of the substation and the energy consumption of the power equipment of the substation based on the local carbon emission factor database and the power data and water consumption data of the incoming and outgoing electricity meters of the substation; At the same time, the proportion of the energy consumption data of the substation operation in the total power supply energy consumption is calculated and dynamically updated according to the total power supply data, including statistical calculation of physical efficiency, economic efficiency and ecological efficiency; The communication module is used to support data interaction and command transmission with remote systems including the superior dispatch center and the cloud platform, realize remote monitoring and management, and regularly obtain data updates including carbon emission factors from the remote system to maintain data consistency; The display module is an intuitive and easy-to-use graphical display interface equipped for the management terminal, which displays the real-time values ​​and historical trends of key indicators including the total energy consumption of substation operation, total energy consumption of station power equipment, new energy power generation, sub-item energy consumption, carbon emissions and / or proportion in the form of charts and / or curves.

2. The multifunctional substation energy carbon management terminal according to claim 1 is characterized in that: The electric energy collection terminal is connected to all the incoming and outgoing lines and main transformer meters of the substation through various communication interfaces; the data collection module collects the incoming and outgoing line meter data of the substation to which the electric energy collection terminal is connected, the energy consumption data of the station's electrical equipment, the water consumption data, and the new energy power generation data in real time through various communication interfaces and various communication protocols.

3. The multifunctional substation energy carbon management terminal according to claim 2 is characterized in that: Various communication interfaces include RS485, Ethernet, Wi-Fi and / or Bluetooth; The various communication protocols include DL / T645, Modbus, IEC60870-5-101, IEC60870-5-104 and / or IEC61850.

4. The multifunctional substation energy carbon management terminal according to claim 1 is characterized in that: The data processing and storage module completes data cleaning when storing the unprocessed data locally, filters out abnormal data with abnormal details in the unprocessed data, and then uses historical data for linear extrapolation to obtain predicted data as candidate data for the abnormal data.

5. The multifunctional substation energy carbon management terminal according to claim 4 is characterized in that: The data processing and storage module includes a storage device with a capacity of more than 32G; the historical data is historical statistical data stored on-site for at least one year.

6. The multifunctional substation energy carbon management terminal according to claim 1 is characterized in that: The calculation formula for the substation operation carbon emissions is: C total =P e ×CK p +W e ×CK w in: P e It is the total power consumption of the substation during the statistical period minus the power generation of new energy, in kilowatt-hours, i.e. kWh. The calculation formula is: P Ji The total electricity consumption of each incoming line meter; P Ci The total electricity consumption of each outgoing line meter; n is the number of incoming lines; m is the number of outgoing wires; P ne The amount of electricity generated by renewable energy during the statistical period; CK p is the carbon emission factor corresponding to unit electricity; W e The water consumption of the substation during the statistical period, in cubic meters, i.e. m 3 ; CK w is the carbon emission factor corresponding to unit water consumption; The calculation formula for carbon emissions from power equipment in a station is: C stotal =P se ×CK p in: P se The total power consumption of the substation's electrical equipment during the statistical period, in kilowatt-hours, i.e. kWh; The calculation formula of physical efficiency is as follows: in: η phy It is the physical efficiency of energy consumption of substation operation during the statistical period; Coe w Comparable comprehensive energy consumption per unit water supply, in kWh / m 3 ; P total The total electricity consumption of the substation incoming electricity meter during the statistical period, in kilowatt-hours, i.e. kWh; The calculation formula of economic efficiency is as follows: in: η eco It is the total economic efficiency of substation operation energy consumption during the statistical period; COST p is the unit electricity price, in yuan / kWh; COST w Unit water price, in yuan / m 3 . The calculation formula of the eco-efficiency is as follows: in: η ecol It is the total eco-efficiency of substation operation energy consumption during the statistical period.

7. The multifunctional substation energy carbon management terminal according to claim 1 is characterized in that: The communication module is a built-in 4G / 5G, WIFI and / or Ethernet connection module.

8. The multifunctional substation energy carbon management terminal according to claim 1, characterized in that: The data processing and storage module implements local storage of the unprocessed data and supports multiple time intervals, specifically including 1 minute interval, 5 minute interval or 15 minute interval.

9. The multifunctional substation energy carbon management terminal according to claim 1, characterized in that: The data processing and storage module saves historical energy consumption data, carbon emission data and / or proportion data according to preset rules.

10. The multifunctional substation energy carbon management terminal according to claim 9, characterized in that: The preset rules include time sequence and / or event triggering.

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