CN115296398A - 5G-based power distribution network auto-negotiation power distribution terminal and method - Google Patents
5G-based power distribution network auto-negotiation power distribution terminal and method Download PDFInfo
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- CN115296398A CN115296398A CN202210715614.2A CN202210715614A CN115296398A CN 115296398 A CN115296398 A CN 115296398A CN 202210715614 A CN202210715614 A CN 202210715614A CN 115296398 A CN115296398 A CN 115296398A
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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
- H02J13/00001—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]
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/26—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
- H02H7/261—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations
- H02H7/262—Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured involving signal transmission between at least two stations involving transmissions of switching or blocking orders
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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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
- H02J13/00006—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 information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00022—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 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
- H02J13/00026—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 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 involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
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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
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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
- H02J13/00034—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 an electric power substation
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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
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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
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Human Computer Interaction (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
Abstract
The invention discloses a 5G-based power distribution network auto-negotiation power distribution terminal and a method, wherein a 5G communication technology is combined with a power distribution system terminal, fault detection information and action position information are mutually transmitted through 5G rapid communication between the terminals, control of a master station is not relied, tripping of a substation outlet switch is not needed, fault positioning, isolation and power supply recovery of a connecting line, a bus and a subscriber line of a multi-cascade switching station are realized on the spot before the substation cuts off a fault, and a processing process and a result are reported to the master station. The invention realizes the on-site processing of the distribution line fault based on 5G communication, thereby achieving millisecond fault isolation and second power supply recovery. And 5G rapid communication is adopted, control is not dependent on a master station, tripping of a substation outlet switch is not needed, fault location, isolation and power supply recovery of a connecting line, a bus and a subscriber line of the multi-cascade switching station are realized on site before the substation removes a fault, and a processing process and a result are reported to the master station.
Description
The technical field is as follows:
the invention relates to a power distribution technology of a power system, in particular to a power distribution network auto-negotiation power distribution terminal and method based on 5G.
Background art:
electricity comes from a power station, is transmitted and transformed, and finally enters thousands of households through a power distribution system. As an important part of the power system, feeder automation of distribution lines is an important part of the current research. The automatic effect of distribution lines feeder is to utilize automation equipment or system, detect distribution lines operational aspect, when discovering the circuit trouble, fix a position the trouble rapidly and keep apart, resume the regional power supply of non-trouble simultaneously.
The existing common distribution line feeder automation products mainly comprise a centralized type, an in-situ type recloser type and an intelligent distributed type based on optical fibers. The master station completes fault processing through information interaction with the power distribution terminal in a centralized manner, so that more intermediate links are provided, more data are processed in the master station in a centralized manner, and the dependence degree on a communication system is high; the ground type recloser does not depend on a communication system, but has long fault processing time and needs tripping cooperation of an outgoing line switch of a transformer substation, the whole processing process needs reclosing at least twice, and short circuit impact and damage to primary equipment are increased; the intelligent distributed type based on the optical fiber does not need the intervention of a main station, the fault processing is completed by the mutual communication between the terminals, the fault processing time is short, the dependence degree on the communication is low, but the laying cost of the optical fiber is high, the laying condition is harsh, and the intelligent distributed type based on the optical fiber is mainly applied to key power utilization areas in large cities. The product is an intelligent distributed product based on 5G, avoids the defects of the three types, has the advantages of intelligent distribution based on optical fiber, greatly reduces the cost compared with the optical fiber, and is convenient to maintain.
The invention content is as follows:
the technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the 5G-based power distribution network auto-negotiation power distribution terminal and the method which are reasonable in design, high in transmission efficiency and capable of auto-negotiating components are provided.
The technical scheme of the invention is as follows:
A5G-based power distribution network auto-negotiation power distribution method combines a 5G communication technology with power distribution system terminals, transmits fault detection information and action position information mutually through 5G fast communication between the terminals, does not depend on master station control, does not need tripping of a substation outlet switch, realizes fault location, isolation and power supply recovery of a connecting line, a bus and a subscriber line of a multi-cascade switching station on the spot before the substation removes a fault, and reports a processing process and a result to a master station.
Taking a double-ring network three-level cascade switching station as an example, a bus of the No. 1 switching station has a fault, and an 8-plate of a transformer substation and a No. 1 switching station No. 8 communication incoming line switch sense overcurrent; through information interaction within 20ms, the No. 1 switching station No. 8 connecting line switch judges that a fault section is on a bus because the No. 1 switching station No. 7 connecting outgoing line switch and No. 6 user feeder line switch fault detection information are not received.
Starting a protection outlet within 40ms of a No. 1 switching station No. 8 tie line incoming switch, and simultaneously sending out a tie jump No. 7 tie line outgoing switch and a Simo No. 11 bus tie closing switch instruction; no. 1 switching station 8 ao, no. 7 contact switch accomplishes the switch trip within 200ms, and No. 11 bus tie switch is than shutting down and is not moved, accomplishes fault location and excision.
After the No. 1 switching station terminal confirms that the No. 8 and No. 7 interconnection switches are tripped off, the No. 8 interconnection incoming line switch of the No. 2 switching station sends a no-voltage tripping command and sends fault positioning and removing action information to the main station.
And the No. 2 switching station No. 8 interconnection switch receives the no-voltage switching-off instruction, after the no-voltage switching-off instruction is judged, switching-off of the switch is completed within 200ms, a single-side no-voltage switching-off instruction is sent to the No. 11 bus-bar switch after the switch is confirmed to be tripped off, fault isolation action information is uploaded to the master station, and fault isolation is completed.
And the No. 2 switching station No. 11 bus coupler switch receives a voltage loss switching-on instruction, judges that switching-on and switching-off are completed within 200ms of single-side voltage loss, and transmits power supply recovery action information to the main station after confirming switching-on and switching-off to complete power supply recovery in a non-fault area.
A distribution network auto-negotiation distribution terminal based on 5G comprises a plurality of distribution terminals and is characterized in that: each all set up 5G communication module on the power distribution terminal, it is different the power distribution terminal carries out signal transmission through 5G, and, power distribution terminal sends to the main website through 5G signal transmission with the detected information, the main website is provided with the display screen, can show fault information, and the main website sends fault information to relevant personnel's cell-phone on.
And a 5G communication base station is arranged near the power distribution terminal to send out 5G signals in time, and the 5G signals can adopt signals of China Mobile, china Unicom or China telecom.
The power distribution terminal comprises a current board, a voltage board, a relay board, a bus board, a power supply and a liquid crystal screen, wherein the liquid crystal screen is rectangular or square and can also be arc-shaped.
The beneficial effects of the invention are:
1. the invention combines the 5G communication technology with the power distribution system terminal by utilizing the characteristics of high speed and low time delay of the 5G communication, and can realize the purpose of quickly transmitting information.
2. The invention realizes the distribution line fault on-site processing based on the intelligent distributed fault processing of 5G communication, thereby achieving millisecond fault isolation and second power supply recovery. Through 5G rapid communication between D200 terminals, fault detection information and action position information are mutually transmitted, control of a main station is not relied, tripping of a substation outgoing switch is not needed, fault positioning, isolation and power supply recovery of a connecting line, a bus and a subscriber line of a multi-cascade switching station are realized on the spot before the substation removes a fault, and a processing process and a result are reported to the main station.
3. The invention realizes the encrypted transmission of the three-remote data, the fault processing process and the result of the master station. The system is accessed into the master station through the originally configured safety access area of the master station, and a built-in encryption chip mode is adopted, so that the safety protection level required by the national network is achieved, the three-remote data encryption transmission is realized, and the intelligent distributed fault processing process and result reporting are completed.
4. By popularizing and applying the product, the construction and operation and maintenance cost of a power supply company is reduced, and through analysis, if the device is used in a region with a 5G communication network in Henan province, the manpower and material resource cost of optical fiber and optical fiber laying cost can be greatly saved, and the level of saving the cost is estimated preliminarily to be more than hundred million yuan; simultaneously, a certain number of employment posts are provided, and the driving protection navigation is produced for the life of people! Has good economic benefit.
Description of the drawings:
FIG. 1 is a topological diagram of a power distribution network auto-negotiation power distribution method based on 5G;
fig. 2 is a use state diagram of a power distribution network auto-negotiation power distribution method based on 5G.
The specific implementation mode is as follows:
the embodiment is as follows: referring to fig. 1-2, in the drawings,
a power distribution network auto-negotiation power distribution method based on 5G is characterized in that: the 5G communication technology is combined with the terminals of the power distribution system, fault detection information and action position information are mutually transmitted through 5G quick communication between the terminals, control is not dependent on a master station, tripping of an outgoing line switch of a transformer substation is not needed, fault location, isolation and power supply recovery of connecting lines, buses and subscriber lines of a multi-cascade switching station are realized on the spot before the transformer substation removes faults, and the processing process and results are reported to the master station.
Taking a double-ring network three-level cascade switching station as an example, the bus fault processing scheme of the first-level switching station is as follows:
the bus of the switching station No. 1 has a fault, and the 8-plate and 8-contact incoming line switch of the switching station No. 1 sense overcurrent; through information interaction within 20ms, the No. 1 switching station No. 8 connecting line switch judges that a fault section is on a bus because the No. 1 switching station No. 7 connecting outgoing line switch and No. 6 user feeder line switch fault detection information are not received.
Starting a protection outlet within 40ms of a No. 1 switching station No. 8 tie line incoming switch, and simultaneously sending out a tie jump No. 7 tie line outgoing switch and a Simo No. 11 bus tie closing switch instruction; no. 1 switching station 8 ao, no. 7 contact switch accomplishes the switch trip within 200ms, and No. 11 bus tie switch is than shutting down and is not moved, accomplishes fault location and excision.
After the No. 1 switching station terminal confirms that the No. 8 and No. 7 interconnection switches are tripped off, the No. 8 interconnection incoming line switch of the No. 2 switching station sends a no-voltage tripping command and sends fault positioning and removing action information to the main station.
No. 2 switching station No. 8 contact switch receives the no-voltage switching-off instruction, after judging the no-voltage, accomplishes the switch and breaks off the switch within 200ms, sends unilateral no-voltage switching-on instruction to No. 11 bus tie switches after confirming the switch tripping, and sends the fault isolation action information to the main website on, accomplishes the fault isolation.
And the No. 2 switching station No. 11 bus coupler switch receives a voltage loss switching-on instruction, judges that switching-on and switching-off are completed within 200ms of single-side voltage loss, and transmits power supply recovery action information to the main station after confirming switching-on and switching-off to complete power supply recovery in a non-fault area.
In a word, when the bus of the switching station No. 1 has a fault, fault positioning and removal are completed in 200ms, and fault isolation is completed in 400 ms. The power supply recovery of the non-fault area is finished within 600ms, the fault processing process and result uploading are finished within 5s, the speed is high, and the power failure loss is reduced.
The Zhengzhou Longzi lake covers a 5G network completely, cooperates with a Zhengzhou power supply company, and performs product application test in a 110KV transformer substation in the Zhengzhou east region, so that the test result reaches the safety protection level of a national power grid.
The test contents and results are shown in the following table:
distribution network auto-negotiation distribution terminal based on 5G, including a plurality of distribution terminal, each all set up 5G communication module on the distribution terminal, it is different distribution terminal carries out signal transmission through 5G, and distribution terminal passes through 5G signal transmission and will detect information and go up to the main website, the main website is provided with the display screen, can show trouble information, and the main website sends trouble information to relevant personnel's cell-phone on.
A5G communication base station is arranged near the power distribution terminal, 5G signals are sent out in time, and the 5G signals can adopt signals of China Mobile, china Unicom or China telecom. The power distribution terminal comprises a current board, a voltage board, a relay board, a bus board, a power supply and a liquid crystal screen, wherein the liquid crystal screen is rectangular or square and can also be arc-shaped.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and any simple modifications, equivalent variations and modifications made on the above embodiment according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (9)
1. A power distribution network auto-negotiation power distribution method based on 5G is characterized in that: the 5G communication technology is combined with the terminals of the power distribution system, fault detection information and action position information are mutually transmitted through 5G quick communication between the terminals, control is not dependent on a master station, tripping of an outlet switch of a transformer substation is not needed, fault location, isolation and power supply recovery of a connecting line, a bus and a subscriber line of a multi-cascade switching station are realized on the spot before the transformer substation removes a fault, and a processing process and a result are reported to the master station.
2. The auto-negotiation power distribution method for the 5G-based power distribution network according to claim 1, wherein the auto-negotiation power distribution method comprises the following steps: taking a double-ring network three-level cascade switching station as an example, when a bus of the No. 1 switching station fails, an 8-plate of a transformer substation and a No. 8 communication incoming line switch of the No. 1 switching station feel overcurrent; through information interaction within 20ms, the No. 1 switching station No. 8 connecting line switch judges that a fault section is on a bus because the No. 1 switching station No. 7 connecting outgoing line switch and No. 6 user feeder line switch fault detection information are not received.
3. The auto-negotiation power distribution method for the 5G-based power distribution network according to claim 2, wherein the auto-negotiation power distribution method comprises the following steps: starting a protection outlet within 40ms of a No. 1 switching station No. 8 connecting line incoming switch, and simultaneously sending a connecting jump No. 7 connecting line outgoing switch and a No. 11 thinking bus-coupled closing switch instruction; and the No. 1 switching station 8-day and No. 7 interconnection switches complete switch tripping within 200ms, and the No. 11 bus-bar switch does not act than a latch, so that fault positioning and removal are completed.
4. The auto-negotiation power distribution method for the 5G-based power distribution network according to claim 3, wherein the auto-negotiation power distribution method comprises the following steps: after the No. 1 switching station terminal confirms that the No. 8 and No. 7 interconnection switches are tripped, the No. 8 interconnection incoming line switch of the No. 2 switching station sends a no-voltage tripping instruction and uploads fault positioning and removing action information to a main station.
5. The auto-negotiation power distribution method for the 5G-based power distribution network according to claim 4, wherein the auto-negotiation power distribution method comprises the following steps: no. 2 switching station No. 8 contact switch receives the no-voltage switching-off instruction, after judging the no-voltage, accomplishes the switch and breaks off the switch within 200ms, sends unilateral no-voltage switching-on instruction to No. 11 bus tie switches after confirming the switch tripping, and sends the fault isolation action information to the main website on, accomplishes the fault isolation.
6. The auto-negotiation power distribution method for the 5G-based power distribution network according to claim 5, wherein the auto-negotiation power distribution method comprises the following steps: and the No. 2 switching station No. 11 bus coupler switch receives a voltage loss switching-on instruction, judges that switching-on and switching-off are completed within 200ms of single-side voltage loss, and transmits power supply recovery action information to the main station after confirming switching-on and switching-off to complete power supply recovery in a non-fault area.
7. A distribution network auto-negotiation distribution terminal based on 5G comprises a plurality of distribution terminals and is characterized in that: each all set up 5G communication module on the power distribution terminal, it is different the power distribution terminal carries out signal transmission through 5G, and, power distribution terminal sends to the main website through 5G signal transmission with the detected information, the main website is provided with the display screen, can show fault information, and the main website sends fault information to relevant personnel's cell-phone on.
8. The auto-negotiation power distribution terminal for 5G-based power distribution network according to claim 7, wherein: and a 5G communication base station is arranged near the power distribution terminal, and sends out 5G signals in time, and the 5G signals can adopt signals of China Mobile, china Unicom or China telecom.
9. The auto-negotiation power distribution terminal for 5G-based power distribution network according to claim 8, wherein: the power distribution terminal comprises a current board, a voltage board, a relay board, a bus board, a power supply and a liquid crystal screen, wherein the liquid crystal screen is rectangular or square and can also be arc-shaped.
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| CN202210715614.2A CN115296398A (en) | 2022-06-23 | 2022-06-23 | 5G-based power distribution network auto-negotiation power distribution terminal and method |
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| CN202210715614.2A CN115296398A (en) | 2022-06-23 | 2022-06-23 | 5G-based power distribution network auto-negotiation power distribution terminal and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116106689A (en) * | 2023-04-12 | 2023-05-12 | 国网信息通信产业集团有限公司 | Method, device, equipment and medium for detecting cable faults of power distribution network |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116106689A (en) * | 2023-04-12 | 2023-05-12 | 国网信息通信产业集团有限公司 | Method, device, equipment and medium for detecting cable faults of power distribution network |
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