CN112531904A - Network instruction interaction system for grid connection of power distribution terminal - Google Patents

Network instruction interaction system for grid connection of power distribution terminal Download PDF

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Publication number
CN112531904A
CN112531904A CN202011436551.4A CN202011436551A CN112531904A CN 112531904 A CN112531904 A CN 112531904A CN 202011436551 A CN202011436551 A CN 202011436551A CN 112531904 A CN112531904 A CN 112531904A
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China
Prior art keywords
power distribution
terminal
data
monitoring
power
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CN202011436551.4A
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CN112531904B (en
Inventor
李浩然
黄颖祺
佘伊伦
汪文达
王子滔
何山
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Shenzhen Power Supply Co ltd
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Shenzhen Power Supply Co ltd
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00002Circuit 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
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00Circuit 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
    • H02J13/00006Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022Circuit 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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/126Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wireless data transmission

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention discloses a network instruction interaction system for grid connection of a power distribution terminal, which comprises the power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal. According to the invention, faults can be found better and a fault area can be locked through the monitoring module and the detection module, workers can be reminded of locking the faults in the area in time through the alarm module, data can be transmitted and interacted better through the wireless transmission terminal, rapid response and processing of fault equipment of the power distribution station can be realized through the feeder terminal unit FTU, the power distribution transformer monitoring terminal TTU, the monitoring terminal and the switching station, and the fault area can be overhauled by the workers in the corresponding area through data interaction with the power distribution station.

Description

Network instruction interaction system for grid connection of power distribution terminal
Technical Field
The invention relates to the technical field of power distribution terminals, in particular to a network instruction interaction system for grid connection of a power distribution terminal.
Background
The distribution station is a station for transmitting electricity to electric equipment or users, is positioned at the tail end of a power grid, is a point on a radial network, is connected with a substation, is connected with each electric equipment, and generally has small capacity and voltage grade below 35 kilovolts. The power distribution stations are generally divided into two types, most of which are used for scheduling and balancing loads of each line; there are also several independent substations which serve to change the transmission mode. The existing power distribution station mostly adopts a power distribution automation technology, power distribution and feedback are very convenient, but when a power system of the power distribution station breaks down, the reaction is slow, a fault area cannot be found quickly, the reaction is quickly carried out, the maintenance of power faults is delayed, and the use of power equipment is influenced.
Disclosure of Invention
The invention aims to solve the technical problem of providing a network instruction interaction system for power distribution terminal grid connection, so as to realize quick response and processing of power distribution station fault equipment.
In order to solve the technical problem, the invention provides a network instruction interaction system for grid connection of a power distribution terminal, which is characterized by comprising:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the distribution substation, transmitting the operation data of the distribution equipment to the distribution substation, and receiving the control command of the distribution substation to control and regulate the distribution equipment;
the distribution transformer monitoring terminal TTU is used for collecting and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the collected information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switchyard is used to selectively connect or disconnect electrical equipment and to selectively distribute high and medium voltage electrical energy.
Furthermore, the feeder terminal unit FTU is also communicated with the distribution automation master station, and is used for providing the running condition of the distribution system and various parameters and monitoring and controlling required information, including on-off state, electric energy parameters, phase-to-phase faults, grounding faults and parameters during faults, executing commands issued by the distribution master station, adjusting and controlling distribution equipment, and realizing fault location, fault isolation and rapid recovery of non-fault areas for power supply.
Furthermore, a signal transmission interface of the distribution transformer monitoring terminal TTU receives command information from the master station through a power line, the command is demodulated and transmitted to the controller after filtering and amplification, and the master station command is transmitted to the data acquisition and processing module through a serial port by the controller.
Furthermore, the data acquisition and processing module acquires the data of the distribution transformer according to the received main station command, and after analysis and processing, the data information is sent to the controller of the communication module through the serial port, modulated, and finally sent to the power line through the interface to wait for the main station to receive the data.
Further, the switching station comprises a circuit breaker, a disconnecting switch, a current transformer, a voltage transformer, a bus, corresponding control protection and automation devices and auxiliary facilities, and is provided with various compensation devices.
Further, monitor module and detection module are used for gathering power equipment's image data, temperature data, air composition data and peripheral infrared thermal imaging data, monitor module includes a plurality of cameras of installing near power equipment and installs in the peripheral infrared thermal imaging camera of distribution substation, detection module includes a plurality of temperature sensor and combustible gas concentration sensor, temperature sensor installs inside power equipment, the inside and outside at power equipment is installed to combustible gas concentration sensor equidistance.
Further, the alarm module comprises a plurality of audible and visual alarms, and the audible and visual alarms are installed at corresponding power equipment inside the power distribution station.
Furthermore, the wireless transmission terminal is used for transmitting the monitoring data integrated and processed by the processor to the power distribution terminal, interacting data with the power distribution terminal, and forwarding the abnormal data fed back by the power distribution terminal to the mobile terminal.
Further, the mobile terminal is configured to receive suspicious data sent by the wireless transmission terminal, and the mobile terminal is specifically a mobile monitoring device.
Furthermore, the monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor.
The embodiment of the invention has the beneficial effects that: be convenient for better discovery trouble through monitoring module and detection module, lock the trouble region, in time remind staff's trouble lock in the region through alarm module, be convenient for better transmit data through wireless transmission terminal, it is mutual, through feeder terminal device FTU, distribution transformer monitor terminal TTU, monitor terminal, the switching station realizes quick response and the processing to distribution station fault equipment, and overhaul the trouble region by the staff in corresponding region through carrying out the data interaction with the distribution station.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a block diagram of a power distribution terminal according to an embodiment of the present invention.
Fig. 2 is a block diagram of a distribution substation according to an embodiment of the present invention.
Fig. 3 is a schematic working flow diagram of a network instruction interaction system for grid connection of a power distribution terminal according to an embodiment of the present invention.
Detailed Description
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced.
Referring to fig. 1 to fig. 3, an embodiment of the present invention provides a network instruction interaction system for grid connection of a power distribution terminal, including:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the distribution substation, transmitting the operation data of the distribution equipment to the distribution substation, and receiving the control command of the distribution substation to control and regulate the distribution equipment;
the distribution transformer monitoring terminal TTU is used for collecting and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the collected information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switchyard is used to selectively connect or disconnect electrical equipment and to selectively distribute high and medium voltage electrical energy.
The feeder terminal unit FTU communicates with the distribution automation main station, provides the running condition of the distribution system and various parameters and information required by monitoring and controlling, including on-off state, electric energy parameters, interphase fault, earth fault and parameters during fault, executes the command issued by the distribution main station, adjusts and controls the distribution equipment, and realizes fault location, fault isolation and fast recovery power supply of non-fault areas. The FTU is an embedded real-time multitask operating system using an advanced DSP digital signal processing technology, a multi-CPU integration technology, a high-speed industrial network communication technology and an isolation technology, has strong stability, high reliability, good real-time performance, wide adaptive environment and powerful functions, and is a new generation feeder automation remote terminal device integrating functions of remote measurement, remote signaling, remote control, protection, communication and the like.
The signal transmission interface of distribution transformer monitor terminal TTU receives the command information from the main station through the power line, after filtering and amplifying, the command is sent to the controller through demodulation, then the controller sends the main station command to the data acquisition and processing module through the serial port, the data acquisition and processing module acquires the data of distribution transformer according to the received main station command, after analysis and processing, send the data information to the controller of communication module through the serial port, and then through modulation, send to the power line through the interface at last, wait for the main station to receive. The distribution transformer monitoring terminal TTU has the advantages of reliability of communication, high cost performance, instantaneity of distribution communication, standardization and universality of communication modes and the like.
The switch station comprises a circuit breaker, a disconnecting switch, a current transformer, a voltage transformer, a bus, a corresponding control protection and automatic device and an auxiliary facility, and is provided with a plurality of necessary compensation devices.
The monitoring module and the detection module are used for acquiring image data, temperature data, air composition data and peripheral infrared thermal imaging data of the power equipment, the monitoring module comprises a plurality of cameras installed near the power equipment and infrared thermal imaging cameras installed on the periphery of the power distribution station, the detection module comprises a plurality of temperature sensors and a combustible gas concentration sensor, the temperature sensors are arranged in the power equipment, the combustible gas concentration sensor is equidistantly arranged inside and outside the power equipment, the monitoring module and the detection module are used for facilitating better detection of the temperature of elements in the power equipment, and the concentration of the combustible gas in the air, and can monitor the images of the power equipment and the surrounding environment, thereby finding a fault, locking the fault area and preventing the theft of power by suspicious personnel.
Alarm module includes a plurality of audible-visual annunciators, audible-visual annunciator installs in the inside corresponding power equipment department of power distribution station, is convenient for better carry out audible-visual annunciator, in time reminds staff's trouble lock in the region.
The wireless transmission terminal is used for transmitting the monitoring data integrated and processed by the processor to the power distribution terminal, interacting the data with the power distribution terminal, and forwarding the abnormal data fed back by the power distribution terminal to the mobile terminal, so that the data can be transmitted better.
The mobile terminal is used for receiving suspicious data sent by the wireless transmission terminal, the mobile terminal is provided with a plurality of mobile monitoring devices and corresponding workers, and the workers closest to a fault occurrence area are designated, so that the fault occurrence area can be maintained more quickly.
The monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor, so that the equipment can be controlled better.
The working process and the principle of the network instruction interaction system for power distribution terminal grid connection in the embodiment of the invention are as follows: the method comprises the steps of firstly detecting the occurrence of faults of the power equipment through a detection module, then shooting specific equipment with the faults through a monitoring module, integrating and processing data through a processor, interacting with a power distribution terminal through a wireless transmission terminal, simultaneously controlling an audible and visual alarm of an alarm module in a corresponding area to give an alarm to remind workers in the station, rapidly responding to the faults occurring in the power distribution station through the power distribution terminal to rapidly and emergently process the faults, firstly, receiving signals by the monitoring terminal of the power distribution terminal, analyzing and processing the fault locking area and the occurrence reason, then, remotely controlling and adjusting the power distribution equipment through a feeder terminal unit FTU, collecting and controlling information of the power distribution transformer through a monitoring terminal TTU of the power distribution transformer, monitoring the operation condition of the power distribution transformer in real time, and selectively connecting or cutting off the electric energy of the fault area through a switching station, then, a signal is fed back, the processing scheme is interacted with the power distribution station, the wireless transmission terminal of the power distribution station forwards the abnormal data fed back by the power distribution terminal to the mobile terminal, and then corresponding workers overhaul the fault area.
As can be seen from the above description, the embodiments of the present invention have the following beneficial effects: be convenient for better discovery trouble through monitoring module and detection module, lock the trouble region, in time remind staff's trouble lock in the region through alarm module, be convenient for better transmit data through wireless transmission terminal, it is mutual, through feeder terminal device FTU, distribution transformer monitor terminal TTU, monitor terminal, the switching station realizes quick response and the processing to distribution station fault equipment, and overhaul the trouble region by the staff in corresponding region through carrying out the data interaction with the distribution station.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.

Claims (10)

1. A network instruction interaction system for grid connection of power distribution terminals is characterized by comprising:
the system comprises a power distribution terminal and a power distribution station, wherein the power distribution terminal is provided with a feeder terminal unit FTU, a power distribution transformer monitoring terminal TTU, a monitoring terminal and a switching station, and the power distribution station is provided with power equipment, a monitoring module, a detection module, an alarm module, a processor, a wireless transmission terminal and a mobile terminal;
the feeder terminal unit FTU is used for communicating with the distribution substation, transmitting the operation data of the distribution equipment to the distribution substation, and receiving the control command of the distribution substation to control and regulate the distribution equipment;
the distribution transformer monitoring terminal TTU is used for collecting and controlling information of the distribution transformer, monitoring the operation condition of the distribution transformer in real time and transmitting the collected information to the master station so as to provide data required by operation control and management of a distribution system;
the monitoring module is used for acquiring, storing and analyzing monitoring image data, temperature data, air composition data and infrared thermal imaging data, and interactively feeding back abnormal data and a power distribution station;
the switchyard is used to selectively connect or disconnect electrical equipment and to selectively distribute high and medium voltage electrical energy.
2. The power distribution terminal grid-connected network instruction interaction system of claim 1, wherein the feeder terminal unit FTU is further in communication with a power distribution automation master station, and is configured to provide information required for power distribution system operation and various parameters and monitoring control, including on-off state, power parameters, phase-to-phase fault, ground fault, and parameters during fault, and execute a command issued by the power distribution master station, and adjust and control power distribution equipment, thereby implementing fault location, fault isolation, and fast recovery power supply in non-fault areas.
3. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein a signal transmission interface of the distribution transformer monitoring terminal TTU receives command information from a master station through a power line, the command is transmitted to the controller after being filtered and amplified, and the master station command is transmitted to the data acquisition and processing module by the controller through a serial port.
4. The power distribution terminal grid-connected network instruction interaction system of claim 3, wherein the data acquisition and processing module acquires data of the power distribution transformer according to a received master station command, and after analysis and processing, sends data information to a controller of the communication module through a serial port, and then modulates the data information, and finally sends the data information to a power line through an interface to wait for the master station to receive the data information.
5. The grid-connected network command interaction system of the power distribution terminal according to claim 1, wherein the switch station comprises a circuit breaker, a disconnecting switch, a current transformer, a voltage transformer, a bus, corresponding control protection and automation devices and auxiliary facilities, and is provided with a plurality of compensation devices.
6. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the monitoring module and the detection module are used for collecting image data, temperature data, air composition data and peripheral infrared thermal imaging data of the power equipment, the monitoring module comprises a plurality of cameras installed near the power equipment and infrared thermal imaging cameras installed on the periphery of the power distribution station, the detection module comprises a plurality of temperature sensors and combustible gas concentration sensors, the temperature sensors are installed inside the power equipment, and the combustible gas concentration sensors are installed inside and outside the power equipment at equal intervals.
7. The power distribution terminal grid-connected network command interaction system according to claim 1, wherein the alarm module comprises a plurality of audible and visual alarms, and the audible and visual alarms are installed at corresponding power equipment inside the power distribution substation.
8. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the wireless transmission terminal is configured to transmit the monitoring data integrated and processed by the processor to the power distribution terminal, interact data with the power distribution terminal, and forward the abnormal data fed back by the power distribution terminal to the mobile terminal.
9. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the mobile terminal is configured to receive suspicious data sent by a wireless transmission terminal, and the mobile terminal is specifically a mobile monitoring device.
10. The power distribution terminal grid-connected network instruction interaction system according to claim 1, wherein the monitoring module, the detection module, the alarm module and the wireless transmission terminal are electrically connected with the processor.
CN202011436551.4A 2020-12-11 2020-12-11 Network instruction interaction system for grid connection of power distribution terminal Active CN112531904B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162227A (en) * 2021-03-23 2021-07-23 贵州电网有限责任公司 Power distribution automation system
CN113949157A (en) * 2021-10-12 2022-01-18 广东电网有限责任公司 Feeder terminal system and signal supplementing device
CN114970888A (en) * 2021-10-08 2022-08-30 淮阴师范学院 Component fault analysis system based on electric power electrical control
CN117477794A (en) * 2023-12-27 2024-01-30 南京卓威研信息技术有限公司 Power distribution station power consumption management optimization system and method based on gateway machine data exchange

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US20120327989A1 (en) * 2011-06-27 2012-12-27 Shanxilinfen Power Supply Company Smart feed line automation system based on 10kv carrier communication
CN207082904U (en) * 2017-07-19 2018-03-09 山东科华电力技术有限公司 A kind of Multifunctional power distribution automated system

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Publication number Priority date Publication date Assignee Title
US20120327989A1 (en) * 2011-06-27 2012-12-27 Shanxilinfen Power Supply Company Smart feed line automation system based on 10kv carrier communication
CN207082904U (en) * 2017-07-19 2018-03-09 山东科华电力技术有限公司 A kind of Multifunctional power distribution automated system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113162227A (en) * 2021-03-23 2021-07-23 贵州电网有限责任公司 Power distribution automation system
CN114970888A (en) * 2021-10-08 2022-08-30 淮阴师范学院 Component fault analysis system based on electric power electrical control
CN114970888B (en) * 2021-10-08 2023-04-18 淮阴师范学院 Component fault analysis system based on electric power electrical control
CN113949157A (en) * 2021-10-12 2022-01-18 广东电网有限责任公司 Feeder terminal system and signal supplementing device
CN117477794A (en) * 2023-12-27 2024-01-30 南京卓威研信息技术有限公司 Power distribution station power consumption management optimization system and method based on gateway machine data exchange
CN117477794B (en) * 2023-12-27 2024-03-19 南京卓威研信息技术有限公司 Power distribution station power consumption management optimization system and method based on gateway machine data exchange

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