CN117458535A - Three-phase load balance optimization method and system for power supply station area - Google Patents
Three-phase load balance optimization method and system for power supply station area Download PDFInfo
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- CN117458535A CN117458535A CN202311205430.2A CN202311205430A CN117458535A CN 117458535 A CN117458535 A CN 117458535A CN 202311205430 A CN202311205430 A CN 202311205430A CN 117458535 A CN117458535 A CN 117458535A
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000012544 monitoring process Methods 0.000 claims abstract description 26
- 230000005611 electricity Effects 0.000 claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 12
- 238000004891 communication Methods 0.000 claims abstract description 5
- 230000008859 change Effects 0.000 claims description 19
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- 230000002159 abnormal effect Effects 0.000 claims description 3
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- 238000005516 engineering process Methods 0.000 claims description 3
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J3/00—Circuit arrangements for ac mains or ac distribution networks
- H02J3/26—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R21/00—Arrangements for measuring electric power or power factor
- G01R21/06—Arrangements for measuring electric power or power factor by measuring current and voltage
- G01R21/07—Arrangements for measuring electric power or power factor by measuring current and voltage in circuits having distributed constants
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
- G08B21/185—Electrical failure alarms
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
- H02J13/00036—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers
- H02J13/0004—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving switches, relays or circuit breakers involved in a protection system
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2203/00—Indexing scheme relating to details of circuit arrangements for AC mains or AC distribution networks
- H02J2203/10—Power transmission or distribution systems management focussing at grid-level, e.g. load flow analysis, node profile computation, meshed network optimisation, active network management or spinning reserve management
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/50—Arrangements for eliminating or reducing asymmetry in polyphase networks
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention relates to the technical field of power engineering, in particular to a power supply area three-phase load balance optimization method and system, which can maximize power utilization, reduce overload risk, improve the stability of a power supply system, save energy and reduce operation cost, increase system capacity and expandability, and promote the efficiency, reliability and sustainability of the power system; the system comprises: the power consumer electricity acquisition module is used for measuring the current and the electricity consumption of each phase line in real time, has communication capability and can transmit data to a monitoring center; the monitoring module is used for receiving, storing and processing data from all power consumer electricity acquisition modules; and the load adjustment guiding module is used for analyzing the data collected and stored by the monitoring module, generating a load adjustment guiding suggestion according to the analysis result, and providing an adjustment scheme according to the phase line and the load condition of the user.
Description
Technical Field
The invention relates to the technical field of power engineering, in particular to a three-phase load balance optimization method and system for a power supply area.
Background
The current rural power supply station area adopts a three-wire four-wire power supply mode, more than 98% of the connected load is single-phase load, the phenomenon of unbalanced three-phase load is commonly caused, when the unbalanced three-phase load rate is increased, neutral line current is increased, the line loss of the station area is increased, zero-phase sequence current of a transformer is increased, the electric energy loss of a distribution transformer is increased, the output force of the transformer is reduced, overload capacity is reduced simultaneously, the heating phenomenon of the transformer is easily caused, the service life of the transformer is prolonged, the distribution burning phenomenon is caused when the transformer is serious, the voltage unbalance of a phase line is caused, the burning problem of electric equipment is easily caused when the voltage is high, the electric equipment is easily generated, the output power of the three-phase electric equipment is reduced, and the reactive power is increased.
Disclosure of Invention
In order to solve the technical problems, the invention provides the three-phase load balancing optimization method and the three-phase load balancing optimization system for the power supply station, which can maximize power utilization, reduce overload risk, improve stability of a power supply system, save energy sources, reduce operation cost, increase system capacity and expandability, and promote efficiency, reliability and sustainability of the power supply system.
In a first aspect, the present invention provides a power supply area three-phase load balancing optimization system, the system comprising:
the power consumer electricity acquisition module is used for measuring the current and the electricity consumption of each phase line in real time, has communication capability and can transmit data to a monitoring center;
the monitoring module is used for receiving, storing and processing data from all power consumer electricity acquisition modules;
the load adjustment guiding module is used for analyzing the data collected and stored by the monitoring module, generating a load adjustment guiding suggestion according to the analysis result, and providing an adjustment scheme according to the phase line and the load condition of the user;
the alarm module automatically sends out alarm information when abnormal conditions occur to the load;
the display module is used for displaying three-phase load conditions, load balance degree and power factor data of each meter box and providing visual analysis results and reports;
the interaction module provides a mechanism for the participation of the user, so that the user can check the load condition of the user and carry out load adjustment according to the suggestion provided by the system;
and the feedback module is used for users to feed back problems and propose suggestions so as to improve and optimize the monitoring management system.
On the other hand, the application also provides a power supply area three-phase load balancing optimization method, which comprises the following steps:
s1, penetrating an outgoing line of a three-phase four-wire leakage switch into a current transformer, wherein the number of turns to be penetrated is determined according to the range of an ammeter, a wiring terminal on the current transformer is connected with the ammeter, and the ammeter displays an ammeter on a A, B, C phase line in the ammeter box;
s2, A, B, C, after passing through the current transformer, are respectively connected with a terminal block, and each phase line is divided into three phase lines through the wiring terminal block;
s3, respectively taking A, B, C phase lines on a wiring terminal discharge line to be connected with a wire inlet terminal of the primary phase change switch, and installing 3 phase change switches in total;
s4, connecting outgoing lines of each primary phase change switch with first incoming line terminals of two electric energy meters;
s5, the neutral wires in the meter box are respectively connected with second incoming line terminals of 6 electric energy meters directly through the wiring terminal blocks;
s6, acquiring three-phase current unbalance rate of the transformer area according to the power consumer electricity acquisition system, converting the phase line where the customer is located through one-time phase change switch rotation, and when the current of the phase A is large, the current of the phase C is small and the current of the phase B is moderate, adjusting part of the customer from the load of the phase A to the load of the phase C through rotating the phase change switch, thereby achieving the effect that the three-phase load tends to be balanced.
Further, the electricity consumption acquisition module of the electric power consumer comprises an intelligent electric energy meter and a current sensor.
Furthermore, the monitoring module adopts a cloud computing technology, has data processing and storage capabilities, is deployed on a cloud server, provides computing and storage capabilities, and is expanded and adjusted according to requirements to receive, store and process data from all the table boxes.
Furthermore, the monitoring module further comprises a user interface, so that a user can conveniently check and manage data.
Furthermore, the monitoring module is also used for recording, storing and analyzing historical data trend.
Further, the alarm module further comprises an information sending function for informing the relevant users and power supply management departments of the load adjustment advice.
Furthermore, the system also has the function of data backup, including data backup, encryption, access control and identity verification.
Compared with the prior art, the invention has the beneficial effects that:
by monitoring, analyzing and optimizing the service conditions of each three-phase load in the system, more balanced load distribution can be realized, so that the waste of energy sources caused by overload of a certain phase can be avoided, the power resources are utilized to the greatest extent, and the power utilization efficiency is improved; reducing the risk of overload: the unbalanced load of the three phases can cause overload of certain circuits or equipment, so that the performance of the system is reduced and even the equipment is damaged, the monitoring management system can timely monitor the unbalanced load condition and take corresponding measures for adjustment so as to avoid overload risk and improve the reliability and stability of the system; the stability of a power supply system is improved: the load balancing optimization can reduce the asymmetry of a power grid, is beneficial to improving the stability of a power supply system, and can reduce the fluctuation and unbalance of voltage by balancing a three-phase load, maintain the stability of power supply and reduce the problems of power loss and power quality; energy saving and operation cost reduction: the power loss in the system and the electric power waste can be reduced through the three-phase load balance optimization, so that the energy is saved, the operation cost is reduced, the balance load can also reduce the operation of extra equipment and the requirement of equipment upgrading or maintenance, and the maintenance cost and the equipment replacement cost are reduced; increase system capacity and scalability: by optimizing the three-phase load balance, the system can better utilize the existing power resources, reduce the potential capacity expansion requirement, and reasonably distribute the load can enable the system to have elasticity and expandability, improve the system capacity and meet the change of different load requirements.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a management system of the present invention;
FIG. 2 is a schematic diagram of the structure of an optimization method implementation.
Detailed Description
In the description of the present application, those skilled in the art will appreciate that the present application may be embodied as methods, apparatuses, electronic devices, and computer-readable storage media. Accordingly, the present application may be embodied in the following forms: complete hardware, complete software (including firmware, resident software, micro-code, etc.), a combination of hardware and software. Furthermore, in some embodiments, the present application may also be embodied in the form of a computer program product in one or more computer-readable storage media, which contain computer program code.
Any combination of one or more computer-readable storage media may be employed by the computer-readable storage media described above. The computer-readable storage medium includes: an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof. More specific examples of the computer readable storage medium include the following: portable computer magnetic disks, hard disks, random access memories, read-only memories, erasable programmable read-only memories, flash memories, optical fibers, optical disk read-only memories, optical storage devices, magnetic storage devices, or any combination thereof. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, device.
The technical scheme of the application is that the acquisition, storage, use, processing and the like of the data meet the relevant regulations of national laws.
The present application describes methods, apparatus, and electronic devices provided by the flowchart and/or block diagram.
It will be understood that each block of the flowchart illustrations and/or block diagrams, and combinations of blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer-readable program instructions. These computer-readable program instructions may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
These computer readable program instructions may also be stored in a computer readable storage medium that can cause a computer or other programmable data processing apparatus to function in a particular manner. Thus, instructions stored in a computer-readable storage medium produce an instruction means which implement the functions/acts specified in the flowchart and/or block diagram block or blocks.
The computer readable program instructions may also be loaded onto a computer, other programmable data processing apparatus, or other devices to cause a series of operational steps to be performed on the computer, other programmable apparatus or other devices to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide processes for implementing the functions/acts specified in the flowchart and/or block diagram block or blocks.
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples.
As shown in fig. 1 to 2, the power supply station three-phase load balancing optimization method and system of the present invention include:
the power consumer electricity acquisition module is used for measuring the current and the electricity consumption of each phase line in real time, has communication capability and can transmit data to a monitoring center;
the monitoring module is used for receiving, storing and processing data from all power consumer electricity acquisition modules;
the load adjustment guiding module is used for analyzing the data collected and stored by the monitoring module, generating a load adjustment guiding suggestion according to the analysis result, and providing an adjustment scheme according to the phase line and the load condition of the user;
the alarm module automatically sends out alarm information when abnormal conditions occur to the load;
the display module is used for displaying three-phase load conditions, load balance degree and power factor data of each meter box and providing visual analysis results and reports;
the interaction module provides a mechanism for the participation of the user, so that the user can check the load condition of the user and carry out load adjustment according to the suggestion provided by the system;
the feedback module is used for users to feed back problems and propose suggestions so as to improve and optimize the monitoring management system;
by monitoring, analyzing and optimizing the service conditions of each three-phase load in the system, more balanced load distribution can be realized, so that the waste of energy sources caused by overload of a certain phase can be avoided, the power resources are utilized to the greatest extent, and the power utilization efficiency is improved;
reducing the risk of overload: the unbalanced load of the three phases can cause overload of certain circuits or equipment, so that the performance of the system is reduced and even the equipment is damaged, the monitoring management system can timely monitor the unbalanced load condition and take corresponding measures for adjustment so as to avoid overload risk and improve the reliability and stability of the system;
the stability of a power supply system is improved: the load balancing optimization can reduce the asymmetry of a power grid, is beneficial to improving the stability of a power supply system, and can reduce the fluctuation and unbalance of voltage by balancing a three-phase load, maintain the stability of power supply and reduce the problems of power loss and power quality;
energy saving and operation cost reduction: the power loss in the system and the electric power waste can be reduced through the three-phase load balance optimization, so that the energy is saved, the operation cost is reduced, the balance load can also reduce the operation of extra equipment and the requirement of equipment upgrading or maintenance, and the maintenance cost and the equipment replacement cost are reduced;
increase system capacity and scalability: by optimizing the three-phase load balance, the system can better utilize the existing power resources, reduce the potential capacity expansion requirement, and reasonably distribute the load can enable the system to have elasticity and expandability, improve the system capacity and meet the change of different load requirements.
As a preference of the above embodiment, the electricity consumer electricity collection module includes an intelligent ammeter and a current sensor; the intelligent electric energy meter can measure the current and the electricity consumption of each phase line in real time, has communication capacity, can transmit data to the monitoring module, and the current sensor can also be used for measuring the current of the phase line and transmitting the data to the monitoring center.
As the optimization of the embodiment, the monitoring module adopts a cloud computing technology, has strong data processing and storage capacity, is deployed on a cloud server, provides high-performance computing and storage capacity, and can be flexibly expanded and adjusted according to requirements to receive, store and process data from all the table boxes.
Preferably, the monitoring module further comprises a user interface, so that a user can conveniently perform data viewing and management operations.
Preferably, the monitoring module is further configured to record, store and analyze historical data trends; the system can record historical data and analyze the historical data, can store and analyze the historical data so as to know the trend of load change, and can make decisions and optimize schemes for future power supply management.
Preferably, the alarm module further comprises an information sending function for informing the relevant users and power supply management authorities of the load adjustment suggestions, so that each user can quickly react to the adjustment suggestions.
Preferably, the system further has a data backup function, including data backup, encryption, access control and authentication.
As a preference of the above embodiment, the optimization method is as follows:
s1, penetrating an outgoing line of a three-phase four-wire leakage switch into a current transformer, wherein the number of turns to be penetrated is determined according to the range of an ammeter, a wiring terminal on the current transformer is connected with the ammeter, and the ammeter displays an ammeter on a A, B, C phase line in the ammeter box;
s2, A, B, C, after passing through the current transformer, are respectively connected with a terminal block, and each phase line is divided into three phase lines through the wiring terminal block;
s3, respectively taking A, B, C phase lines on a wiring terminal discharge line to be connected with a wire inlet terminal of the primary phase change switch, and installing 3 phase change switches in total;
s4, connecting outgoing lines of each primary phase change switch with first incoming line terminals of two electric energy meters;
s5, the neutral wires in the meter box are respectively connected with second incoming line terminals of 6 electric energy meters directly through the wiring terminal blocks;
s6, acquiring three-phase current unbalance rate of the transformer area according to the power consumer electricity acquisition system, converting the phase line where the customer is located through one-time phase change switch rotation, and when the current of the phase A is large, the current of the phase C is small and the current of the phase B is moderate, adjusting part of the customer from the load of the phase A to the load of the phase C through rotating the phase change switch, thereby achieving the effect that the three-phase load tends to be balanced.
The primary phase change switch is put into use, so that a plurality of defects existing in manual adjustment of the three-phase load unbalance are effectively overcome, and the three-phase load unbalance is treated in a non-power-off state; the electricity selling quantity is increased, and the voltage quality is improved, so that the aim of increasing economic and social benefits can be fulfilled; the labor intensity of a district manager is reduced, the power supply reliability and the voltage qualification rate are improved, thereby driving the improvement of customer satisfaction, improving the productivity for customers, saving the electric energy and generating good social benefits.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (8)
1. A power supply bay three-phase load balancing optimization system, the system comprising:
the power consumer electricity acquisition module is used for measuring the current and the electricity consumption of each phase line in real time, has communication capability and can transmit data to a monitoring center;
the monitoring module is used for receiving, storing and processing data from all power consumer electricity acquisition modules;
the load adjustment guiding module is used for analyzing the data collected and stored by the monitoring module, generating a load adjustment guiding suggestion according to the analysis result, and providing an adjustment scheme according to the phase line and the load condition of the user;
the alarm module automatically sends out alarm information when abnormal conditions occur to the load;
the display module is used for displaying three-phase load conditions, load balance degree and power factor data of each meter box and providing visual analysis results and reports;
the interaction module provides a mechanism for the participation of the user, so that the user can check the load condition of the user and carry out load adjustment according to the suggestion provided by the system;
and the feedback module is used for users to feed back problems and propose suggestions so as to improve and optimize the monitoring management system.
2. The power supply station three-phase load balance optimization system of claim 1, wherein the power consumer electricity acquisition module comprises an intelligent ammeter and a current sensor.
3. The power supply station area three-phase load balancing optimization system according to claim 1, wherein the monitoring module adopts a cloud computing technology and has data processing and storage capabilities, and the monitoring module is deployed on a cloud server to provide computing and storage capabilities, and simultaneously expands and adjusts according to requirements to receive, store and process data from all the table boxes.
4. The power distribution block three-phase load balancing optimization system of claim 3, wherein the monitoring module further comprises a user interface for facilitating data viewing and management operations by a user.
5. The power distribution block three-phase load balancing optimization system of claim 4, wherein the monitoring module is further configured to record, store, and analyze historical data trends.
6. The power supply station three-phase load balancing optimization system of claim 1, wherein the alarm module further comprises an information transmitting function for informing relevant users and power management authorities of load adjustment advice.
7. The power supply station three-phase load balancing optimization system according to claim 1, wherein the system further has a data backup function, including data backup, encryption, access control and identity verification.
8. The power supply station three-phase load balance optimization method is characterized by comprising the following steps of:
s1, penetrating an outgoing line of a three-phase four-wire leakage switch into a current transformer, wherein the number of turns to be penetrated is determined according to the range of an ammeter, a wiring terminal on the current transformer is connected with the ammeter, and the ammeter displays an ammeter on a A, B, C phase line in the ammeter box;
s2, A, B, C, after passing through the current transformer, are respectively connected with a terminal block, and each phase line is divided into three phase lines through the wiring terminal block;
s3, respectively taking A, B, C phase lines on a wiring terminal discharge line to be connected with a wire inlet terminal of the primary phase change switch, and installing 3 phase change switches in total;
s4, connecting outgoing lines of each primary phase change switch with first incoming line terminals of two electric energy meters;
s5, the neutral wires in the meter box are respectively connected with second incoming line terminals of 6 electric energy meters directly through the wiring terminal blocks;
s6, acquiring three-phase current unbalance rate of the transformer area according to the power consumption acquisition system of the power consumer, converting the phase line where the consumer is located through one-time phase change switch rotation, and when the current of the phase A is large, the current of the phase C is small, and the current of the phase B is moderate, adjusting part of the consumer from the load of the phase A to the load of the phase C through rotating the phase change switch, thereby achieving the effect that the three-phase load tends to be balanced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311205430.2A CN117458535A (en) | 2023-09-18 | 2023-09-18 | Three-phase load balance optimization method and system for power supply station area |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202311205430.2A CN117458535A (en) | 2023-09-18 | 2023-09-18 | Three-phase load balance optimization method and system for power supply station area |
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| CN117458535A true CN117458535A (en) | 2024-01-26 |
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| CN202311205430.2A Pending CN117458535A (en) | 2023-09-18 | 2023-09-18 | Three-phase load balance optimization method and system for power supply station area |
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