A terminal electrical comprehensive management protection system and method for banking system

Abstract

The present invention relates to the field of electrical automation technology, and in particular to a terminal electrical comprehensive management and protection system and method for a banking system. The present invention determines a harmonic inducing element in a circuit model, and calculates the single waveform characteristics and single frequency of the harmonic inducing element according to the historical harmonics of the harmonic inducing element, collects the comprehensive waveform in the circuit system in real time, extracts the frequency characteristics in the comprehensive waveform, determines the real-time action area in the circuit system based on the single frequency and frequency characteristics, calculates the harmonic current in the real-time action area according to the real-time electrical data, and finally manages the real-time action area according to the position and harmonic current of the real-time action area. By timely locating the harmonic source, the position where the harmonic is generated is accurately found and managed, the power grid failure caused by the harmonic can be effectively avoided, and a stable power supply for the banking system can be ensured.

Description

Technical Field

[0001] The present invention relates to the field of electrical automation technology, and in particular to a terminal electrical comprehensive management and protection system and method for a banking system. Background Art

[0002] In the financial industry, especially the banking system, the stability and purity of power supply are crucial to daily operations.

[0003] Prior art CN110943441A discloses a terminal electrical comprehensive management and protection system. The present invention includes a collection module, a protector and a processing module. The input end of the collection module is the phase line and the neutral line on the branch circuit of the distribution cabinet. The output end of the collection module is connected to the input end of the protector. The output end of the protector is connected to the processing module. The processing module is arranged on the phase line of the branch circuit. The collection module is used to collect the current value and voltage value on the branch circuit. When the current value on the neutral line increases instantaneously, the increased current value is filtered out by the protector. When the current value on the neutral line continues to increase, the protector sends a cut-off signal to the processing module, and the processing module cuts off the connection with the phase line.

[0004] However, when the circuit supplies power to the bank system, the electronic components have different effects on the harmonics in the circuit when operating in different states, and the harmonic monitoring equipment generally only monitors the harmonic level and cannot determine the source of the harmonic in real time. As a result, the circuit system cannot locate the source of the harmonic in time, thereby reducing the power quality of the bank system. Summary of the invention

[0005] The purpose of the present invention is to solve the problems in the background technology and to propose a terminal electrical comprehensive management and protection system and method for a banking system.

[0006] In order to achieve the above object, the present invention adopts the following technical solutions:

[0007] A terminal electrical comprehensive management and protection system for a banking system, comprising:

[0008] The electrical information collection module is used to collect and store the power supply information of the bank system. The power supply information refers to the circuit-related information of the power supply system.

[0009] The circuit information analysis module is used to establish a circuit model of the circuit system of the bank system in the simulation tool, and divide the circuit model into several sub-power areas according to the application functions of the electronic components in the circuit system. The sub-power areas in the circuit model are used as target control areas and standard input areas in turn, and multiple groups of historical scenario parameters are input into the target control area. Then, based on the monitoring data of the harmonic monitoring equipment, the harmonic inducing components in the circuit model are determined;

[0010] The characteristic data operation module is used to retrieve the historical harmonics of the harmonic inducing component according to the factory parameters of the harmonic inducing component, and then use the Fourier series fitting algorithm to fit multiple historical harmonics in the same harmonic component with the corresponding waveform parameter values ​​to calculate the monomer waveform characteristics of the harmonic inducing component;

[0011] Power data acquisition module, used to monitor and collect real-time electrical data and harmonics in the circuit system;

[0012] The signal separation module is used to mark the harmonics collected in real time as a comprehensive waveform, extract the frequency characteristics in the comprehensive waveform using filtering technology, and extract the single frequency in the single waveform characteristics, and then compare the frequency characteristics with the single frequency to determine the real-time action area in the circuit system;

[0013] The electrical protection module is used to generate harmonic current according to the effective value of the operating current in the real-time action area, and to control the harmonics in the real-time action area of ​​the circuit system according to the harmonic current.

[0014] As a further solution of the present invention, a method for determining a harmonic inducing element includes:

[0015] S1: Set the cycle time, take the current time as the benchmark, and obtain the historical status data of the bank's circuit system in the previous cycle time. The historical status data is the actual operation data of the circuit system;

[0016] S2: According to the circuit diagram of the circuit system, a circuit model is established in the simulation tool. At the same time, based on the application functions of electronic components in the circuit system, the circuit model is divided into several sub-power areas. The application functions of electronic components refer to the specific roles they play in the circuit system.

[0017] S3: In the circuit model, arbitrarily select a sub-power region as the target control region, and mark the remaining sub-power regions as standard input regions;

[0018] Input standard parameters for the electronic components in the standard input area. The standard parameters refer to the standard indicator data corresponding to the electronic components during normal operation. Then extract the historical operating parameters of the electronic components in the target control area from the historical state data. The historical scenario data refers to the parameters corresponding to the electronic components under different operating states.

[0019] A plurality of groups of historical scenario parameters are selected from the historical operating parameters as input data of the electronic components in the target control area in turn, and are input into the circuit model. Meanwhile, the harmonic inducing components are determined based on the monitoring data of the harmonic monitoring device.

[0020] As a further solution of the present invention, a method for determining a harmonic inducing element based on monitoring data of a harmonic monitoring device includes:

[0021] If the monitoring data in the harmonic monitoring device changes when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as harmonic inducing components. Conversely, if the monitoring data in the harmonic monitoring device does not change when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as irrelevant components.

[0022] As a further solution of the present invention, a method for calculating the monomer waveform characteristics of the harmonic inducing element includes:

[0023] SS1: Identify the factory parameters of the harmonic inducing components, use the factory parameters of the harmonic inducing components as search input values, and use harmonics as search targets, perform search in the context of big data, and obtain the historical harmonics of each harmonic inducing component;

[0024] When the harmonics of the harmonic inducing component are retrieved and the historical harmonics are obtained, the factory parameters of the electronic components corresponding to the historical harmonics are completely consistent with the factory parameters of the harmonic inducing component, and the factory parameters of the components include the model, specification and characteristics of the electronic components;

[0025] SS2: Randomly select a harmonic inducing element as the target element, set the waveform parameters, and extract the waveform parameters from the historical waveform of the target element in turn to obtain the waveform parameter value Bij, where the waveform parameters include frequency, phase, amplitude, and harmonic distortion rate, etc. In the waveform parameter value Bij, i represents the historical waveform, and j represents the waveform parameter;

[0026] SS3: Based on the Fourier series fitting algorithm, the historical waveform of the target component and its waveform parameter values ​​are taken as input data in turn, and the historical waveform is disassembled and reconstructed using the sum of sine and cosine functions. At the same time, the Euler formula is combined for fitting operation to obtain the monomer waveform characteristics of the target component.

[0027] As a further solution of the present invention, a method for determining a real-time action area in a circuit system includes:

[0028] The harmonics collected in real time are marked as a comprehensive waveform, and based on the filtering technology, the specific frequencies in the comprehensive waveform are separated to obtain the frequency feature fn, where n = 1, 2, ..., N, indicating that there are N frequency features in total;

[0029] The frequency in the monomer waveform feature is extracted and marked as the monomer frequency. The monomer frequency is compared with the frequency feature for consistency, the monomer frequency with the same frequency feature is identified, and the sub-power area of ​​the corresponding monomer frequency is marked as the real-time action area.

[0030] As a further solution of the present invention, the specific processing method of the electrical protection module includes:

[0031] According to the position of the real-time action area in the circuit, the harmonic generation position is located in real time, and according to the electrical data in the real-time action area, the harmonic generation position is located in real time. The harmonic current Ih is obtained, where Ia represents the effective value of the operating current in the real-time action area, THD is the distortion rate of the total demand current at the maximum load rate of the equipment distribution transformer, and β is the proportional coefficient;

[0032] The electrical protection module then controls the harmonics in the real-time action area based on the harmonic current.

[0033] As a further solution of the present invention, the power data acquisition module includes an electrical information acquisition unit and a harmonic information acquisition unit. The electrical information acquisition unit is used to collect electrical data in the circuit system, and the electrical data includes voltage, current and frequency. The harmonic information acquisition unit is used to collect harmonics in the circuit system.

[0034] A terminal electrical comprehensive management and protection method for a banking system, the method specifically comprising the following steps:

[0035] Step 1: Establish a circuit model of the bank system’s circuit system in the simulation tool, and divide the circuit model into several sub-power areas according to the application functions of the electronic components in the circuit system;

[0036] Step 2: Use the sub-power areas in the circuit model as the target control area and the standard input area in turn, input multiple sets of historical scenario parameters into the target control area, and then determine the harmonic inducing elements in the circuit model based on the monitoring data of the harmonic monitoring equipment;

[0037] Step 3: According to the factory parameters of the harmonic inducing component, the historical harmonics of the harmonic inducing component are retrieved, and then the multiple historical harmonics in the same harmonic component and the corresponding waveform parameter values ​​are fitted by Fourier series algorithm to calculate the monomer waveform characteristics of the harmonic inducing component;

[0038] Step 4: Collect the real-time harmonics in the circuit system and mark them as a comprehensive waveform. Based on filtering technology, extract the frequency features in the comprehensive waveform. At the same time, compare the frequency features with the single frequency in the single waveform features to determine the real-time action area in the circuit system.

[0039] Step 5: Then, based on the effective value of the operating current in the real-time action area, a harmonic current is generated, and the harmonics in the real-time action area of ​​the circuit system are controlled according to the harmonic current.

[0040] Compared with the prior art, the advantages of the present invention are:

[0041] The present invention divides the circuit model into several sub-power areas, and inputs multiple groups of historical scenario parameters into each sub-power area to determine the harmonic inducing elements in the circuit model, and then identifies all elements in the circuit system that will affect the harmonics. Then, according to the historical harmonics of the harmonic inducing elements, the monomer waveform characteristics and monomer frequency of the harmonic inducing elements are calculated, the comprehensive waveform in the circuit system is collected in real time, and the frequency characteristics in the comprehensive waveform are extracted. Based on the monomer frequency and frequency characteristics, the real-time action area in the circuit system is determined, based on the real-time electrical data, the harmonic current in the real-time action area is calculated, and the real-time action area is governed according to the position of the real-time action area and the harmonic current. On the one hand, by timely locating the harmonic source, targeted measures can be taken to reduce the damage of harmonics to the equipment, thereby extending the life of the equipment. On the other hand, accurately finding the location where the harmonics are generated and governing them can effectively avoid power grid failures caused by harmonics and ensure that the banking system obtains a stable power supply. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 It is a schematic diagram of the system structure of the present invention;

[0043] Figure 2 It is a schematic diagram of the method flow of the present invention. DETAILED DESCRIPTION

[0044] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0045] Reference Figure 1 and Figure 2 , a terminal electrical comprehensive management and protection system for a banking system, including an electrical information acquisition module, a circuit information analysis module, a characteristic data operation module, a harmonic signal detection module, a signal separation module and an electrical protection module;

[0046] The electrical information collection module is used to collect and store the power supply information of the bank system, wherein the power supply information refers to the circuit-related information of the power supply system, including supply information and loss information. The supply information is the relevant information in the power supply system of the power supply system, and the loss information is the relevant information of the terminal electricity in the bank system;

[0047] There is a one-way communication connection between the electrical information acquisition module and the circuit information analysis module;

[0048] It should be further explained that the power supply system in this embodiment is selected as a harmonic UPS, which is an uninterruptible power supply with the function of filtering or reducing harmonics. While providing uninterruptible power, it can also optimize power quality and output stable voltage and frequency;

[0049] The circuit information analysis module determines the harmonic inducing components in the circuit system based on the power supply information of the bank system. The circuit system is a complete circuit composed of the power supply system and the terminal electrical system. The specific method for determining the harmonic inducing components includes:

[0050] S1: Setting a cycle time, taking the current time as a reference, obtaining the historical status data of the bank's circuit system in the previous cycle time, the historical status data being the actual operation data of the circuit system, including real-time data such as voltage, current and frequency. Furthermore, the cycle time is set to 2 years in this embodiment;

[0051] S2: Establishing a circuit model in a simulation tool according to the circuit diagram of the circuit system, and dividing the circuit model into several sub-power areas based on the application functions of electronic components in the circuit system;

[0052] Furthermore, the application function of the electronic component refers to a specific role played in the circuit system, such as voltage exchange and signal conversion, etc. The simulation tool used in this embodiment is Simulink in MALTAB, and the specific process of establishing the circuit model is a prior art and will not be described in detail here;

[0053] S3: In the circuit model, arbitrarily select a sub-power region as the target control region, and mark the remaining sub-power regions as standard input regions;

[0054] Input standard parameters for the electronic components in the standard input area. The standard parameters refer to the standard indicator data corresponding to the electronic components during normal operation. Then extract the historical operating parameters of the electronic components in the target control area from the historical status data, and select multiple groups of historical scenario parameters from the historical operating parameters as the input data of the electronic components in the target control area in turn, and input them into the circuit model. Based on the monitoring data of the harmonic monitoring equipment, determine whether the electronic components in the target control area will generate harmonics:

[0055] If the monitoring data in the harmonic monitoring device changes when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as harmonic inducing components. Conversely, if the monitoring data in the harmonic monitoring device does not change when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as irrelevant components.

[0056] It should be further explained that historical scenario data refers to the parameters corresponding to electronic components under different operating states, where the operating states include standby, no-load, load, and overload operation states;

[0057] Each sub-power area is used as a target control area, and is processed according to the method of step S3 to obtain a harmonic inducing element, and a one-way communication connection is established between the circuit information analysis module and the characteristic data calculation module;

[0058] The characteristic data calculation module calculates the characteristic values ​​of the harmonic inducing elements in the circuit system under the background of big data to determine the monomer waveform characteristics of the harmonic inducing elements. The specific calculation method of the monomer waveform characteristics includes:

[0059] SS1: Identify the factory parameters of the harmonic inducing components, use the factory parameters of the harmonic inducing components as search input values, and use harmonics as search targets, perform search in the context of big data, and obtain the historical harmonics of each harmonic inducing component;

[0060] It should be further explained that when searching for harmonics of harmonic-inducing components in the context of big data and obtaining historical harmonics, the factory parameters of the electronic components corresponding to the historical harmonics are completely consistent with the factory parameters of the harmonic-inducing components, and the factory parameters of the components refer to the model, specifications, characteristics and other parameters of the electronic components;

[0061] SS2: Randomly select a harmonic inducing element as the target element, set the waveform parameters, and extract the waveform parameters from the historical waveform of the target element in turn to obtain the waveform parameter value Bij, where the waveform parameters include frequency, phase, amplitude, and harmonic distortion rate, etc. In the waveform parameter value Bij, i represents the historical waveform, and j represents the waveform parameter;

[0062] SS3: Then, based on the Fourier series fitting algorithm, the historical waveform of the target component and its waveform parameter values ​​are used as input data in turn, and the historical waveform is disassembled and reconstructed using the sum of sine and cosine functions. At the same time, the fitting operation is combined with the Euler formula to obtain the monomer waveform characteristics of the target component;

[0063] It should be further explained that the Fourier series fitting algorithm is a prior art and will not be described in detail here;

[0064] The harmonic inducing elements are sequentially used as target elements, and are processed according to the methods of steps SS2 and SS3 to obtain the monomer waveform characteristics of each harmonic inducing element;

[0065] Afterwards, the characteristic data operation module and the signal separation module are connected in a one-way communication;

[0066] The power data acquisition module is used to collect real-time data in the circuit system. Furthermore, the power data acquisition module includes an electrical information acquisition unit and a harmonic information acquisition unit, wherein the electrical information acquisition unit is used to collect electrical data in the circuit system, the electrical data refers to data such as voltage, current and frequency, and the harmonic information acquisition unit is used to collect harmonics in the circuit system. After that, the power data acquisition module and the signal separation module are connected in a one-way communication manner;

[0067] The signal separation module performs feature separation on the harmonics collected in real time based on the characteristics of the monomer waveform. The specific feature separation methods include:

[0068] The harmonics collected in real time are marked as a comprehensive waveform, and then the specific frequencies in the comprehensive waveform are separated based on filtering technology to obtain the frequency feature fn, where n = 1, 2, ..., N, indicating that there are N frequency features in total;

[0069] It should be further explained that the use of filtering technology to separate a specific frequency from a comprehensive waveform is an existing technology and will not be described in detail here;

[0070] Then, the frequency in the monomer waveform feature is extracted and marked as the monomer frequency, the monomer frequency is compared with the frequency feature for consistency, the monomer frequency with the same frequency feature is identified, and the sub-power area of ​​the corresponding monomer frequency is marked as the real-time action area;

[0071] Furthermore, the real-time action region represents the region that affects the generation of harmonics in the circuit system at this time;

[0072] The signal separation module then transmits the real-time action area to the electrical protection module;

[0073] The electrical protection module is used to receive the real-time action area, and locate the harmonic generation position in real time according to the position of the real-time action area in the circuit, and adopt the electrical data in the real-time action area to The harmonic current Ih is obtained, where Ia represents the effective value of the operating current in the real-time action area, THD is the distortion rate of the total demand current at the maximum load rate of the equipment distribution transformer, β is the proportional coefficient, and in this embodiment, the THD value is 20%, and the β value is 0.1249;

[0074] Afterwards, the electrical protection module controls the harmonics in the real-time action area according to the harmonic current, thereby ensuring the stability of the operating circuit when the bank system is running.

[0075] A terminal electrical comprehensive management and protection method for a banking system, the method specifically comprising the following steps:

[0076] Step 1: Establish a circuit model of the bank system’s circuit system in the simulation tool, and divide the circuit model into several sub-power areas according to the application functions of the electronic components in the circuit system;

[0077] Step 2: Then, the sub-power areas in the circuit model are used as the target control area and the standard input area in turn, and multiple sets of historical scenario parameters are input into the target control area. Then, based on the monitoring data of the harmonic monitoring equipment, the harmonic inducing elements in the circuit model are determined;

[0078] Step 3: According to the factory parameters of the harmonic inducing component, the historical harmonics of the harmonic inducing component are retrieved, and then the multiple historical harmonics in the same harmonic component and the corresponding waveform parameter values ​​are fitted by Fourier series algorithm to calculate the monomer waveform characteristics of the harmonic inducing component;

[0079] Step 4: Collect the real-time harmonics in the circuit system and mark them as a comprehensive waveform. Based on filtering technology, extract the frequency features in the comprehensive waveform. At the same time, compare the frequency features with the single frequency in the single waveform features to determine the real-time action area in the circuit system.

[0080] Step 5: Then, based on the effective value of the operating current in the real-time action area, a harmonic current is generated, and the harmonics in the real-time action area of ​​the circuit system are controlled according to the harmonic current.

[0081] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A terminal electrical comprehensive management and protection system for a banking system, characterized in that: include: The electrical information collection module is used to collect and store the power supply information of the bank system. The power supply information refers to the circuit-related information of the power supply system. The circuit information analysis module is used to establish a circuit model of the circuit system of the bank system in the simulation tool, and divide the circuit model into several sub-power areas according to the application functions of the electronic components in the circuit system. The sub-power areas in the circuit model are used as target control areas and standard input areas in turn, and multiple groups of historical scenario parameters are input into the target control area. Then, based on the monitoring data of the harmonic monitoring equipment, the harmonic inducing components in the circuit model are determined; The characteristic data operation module is used to retrieve the historical harmonics of the harmonic inducing component according to the factory parameters of the harmonic inducing component, and then use the Fourier series fitting algorithm to fit multiple historical harmonics in the same harmonic component with the corresponding waveform parameter values ​​to calculate the monomer waveform characteristics of the harmonic inducing component; Power data acquisition module, used to monitor and collect real-time electrical data and harmonics in the circuit system; The signal separation module is used to mark the harmonics collected in real time as a comprehensive waveform, extract the frequency characteristics in the comprehensive waveform using filtering technology, and extract the single frequency in the single waveform characteristics, and then compare the frequency characteristics with the single frequency to determine the real-time action area in the circuit system; The electrical protection module is used to generate harmonic current according to the effective value of the operating current in the real-time action area, and to control the harmonics in the real-time action area of ​​the circuit system according to the harmonic current; S1: Set the cycle time, take the current time as the benchmark, and obtain the historical status data of the bank's circuit system in the previous cycle time. The historical status data is the actual operation data of the circuit system; S2: According to the circuit diagram of the circuit system, a circuit model is established in the simulation tool. At the same time, based on the application functions of electronic components in the circuit system, the circuit model is divided into several sub-power areas. The application functions of electronic components refer to the specific roles they play in the circuit system. S3: In the circuit model, arbitrarily select a sub-power region as the target control region, and mark the remaining sub-power regions as standard input regions; Input standard parameters for the electronic components in the standard input area. The standard parameters refer to the standard indicator data corresponding to the electronic components during normal operation. Then extract the historical operating parameters of the electronic components in the target control area from the historical state data. The historical scenario data refers to the parameters corresponding to the electronic components under different operating states. A plurality of groups of historical scenario parameters are selected from the historical operating parameters as input data of the electronic components in the target control area in turn, and are input into the circuit model. Meanwhile, the harmonic inducing components are determined based on the monitoring data of the harmonic monitoring device.

2. A terminal electrical comprehensive management and protection system for a banking system according to claim 1, characterized in that: Based on the monitoring data of the harmonic monitoring equipment, the method of determining the harmonic inducing element includes: If the monitoring data in the harmonic monitoring device changes when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as harmonic inducing components. Conversely, if the monitoring data in the harmonic monitoring device does not change when the input data of the electronic components in the target control area is changed, the electronic components in the target control area are marked as irrelevant components.

3. The terminal electrical comprehensive management and protection system for a banking system according to claim 1 is characterized in that: The calculation method of the monomer waveform characteristics of the harmonic inducing element includes: SS1: Identify the factory parameters of the harmonic inducing components, use the factory parameters of the harmonic inducing components as search input values, and use harmonics as search targets, perform search in the context of big data, and obtain the historical harmonics of each harmonic inducing component; When the harmonics of the harmonic inducing component are retrieved and the historical harmonics are obtained, the factory parameters of the electronic components corresponding to the historical harmonics are completely consistent with the factory parameters of the harmonic inducing component, and the factory parameters of the components include the model, specification and characteristics of the electronic components; SS2: Randomly select a harmonic inducing element as the target element, set the waveform parameters, and extract the waveform parameters from the historical waveform of the target element in turn to obtain the waveform parameter value Bij, where the waveform parameters include frequency, phase, amplitude, and harmonic distortion rate, etc. In the waveform parameter value Bij, i represents the historical waveform, and j represents the waveform parameter; SS3: Based on the Fourier series fitting algorithm, the historical waveform of the target component and its waveform parameter values ​​are taken as input data in turn, and the historical waveform is disassembled and reconstructed using the sum of sine and cosine functions. At the same time, the Euler formula is combined for fitting operation to obtain the monomer waveform characteristics of the target component.

4. The terminal electrical comprehensive management and protection system for a banking system according to claim 1 is characterized in that: The method for determining the real-time action area in the circuit system includes: The harmonics collected in real time are marked as a comprehensive waveform. Based on the filtering technology, the specific frequencies in the comprehensive waveform are separated to obtain the frequency feature fn, where n=1, 2, ..., N, indicating that there are N frequency features in total. The frequency in the monomer waveform feature is extracted and marked as the monomer frequency. The monomer frequency is compared with the frequency feature for consistency, the monomer frequency with the same frequency feature is identified, and the sub-power area of ​​the corresponding monomer frequency is marked as the real-time action area.

5. The terminal electrical comprehensive management and protection system for a banking system according to claim 1 is characterized in that: The specific processing methods of the electrical protection module include: According to the position of the real-time action area in the circuit, the harmonic generation position is located in real time, and according to the electrical data in the real-time action area, the harmonic generation position is located in real time. The harmonic current Ih is obtained, Ia represents the effective value of the operating current in the real-time action area, and THD is the distortion rate of the total demand current at the maximum load rate of the equipment distribution transformer. is the proportionality coefficient; The electrical protection module then controls the harmonics in the real-time action area based on the harmonic current.

6. The terminal electrical comprehensive management and protection system for a banking system according to claim 1 is characterized in that: The power data acquisition module includes an electrical information acquisition unit and a harmonic information acquisition unit. The electrical information acquisition unit is used to collect electrical data in the circuit system. The electrical data includes voltage, current and frequency. The harmonic information acquisition unit is used to collect harmonics in the circuit system.

7. A terminal electrical comprehensive management and protection method for a banking system, the method being applied to the comprehensive management and protection system as claimed in any one of claims 1 to 6, characterized in that: The method specifically comprises the following steps: Step 1: Establish a circuit model of the bank system’s circuit system in the simulation tool, and divide the circuit model into several sub-power areas according to the application functions of the electronic components in the circuit system; Step 2: Use the sub-power areas in the circuit model as the target control area and the standard input area in turn, input multiple sets of historical scenario parameters into the target control area, and then determine the harmonic inducing elements in the circuit model based on the monitoring data of the harmonic monitoring equipment; Step 3: According to the factory parameters of the harmonic inducing component, the historical harmonics of the harmonic inducing component are retrieved, and then the multiple historical harmonics in the same harmonic component and the corresponding waveform parameter values ​​are fitted by Fourier series algorithm to calculate the monomer waveform characteristics of the harmonic inducing component; Step 4: Collect the real-time harmonics in the circuit system and mark them as a comprehensive waveform. Based on filtering technology, extract the frequency features in the comprehensive waveform. At the same time, compare the frequency features with the single frequency in the single waveform features to determine the real-time action area in the circuit system. Step 5: Then, based on the effective value of the operating current in the real-time action area, a harmonic current is generated, and the harmonics in the real-time action area of ​​the circuit system are controlled according to the harmonic current.

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