CN115528806A - 5G drive arrangement of distribution network self-healing - Google Patents

5G drive arrangement of distribution network self-healing Download PDF

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Publication number
CN115528806A
CN115528806A CN202211035496.7A CN202211035496A CN115528806A CN 115528806 A CN115528806 A CN 115528806A CN 202211035496 A CN202211035496 A CN 202211035496A CN 115528806 A CN115528806 A CN 115528806A
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CN
China
Prior art keywords
automatic switching
switching device
standby power
communication device
distribution network
Prior art date
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Pending
Application number
CN202211035496.7A
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Chinese (zh)
Inventor
耿少博
侯磊
孙广辉
孙利强
李春晓
任江波
曹磊
温博
李井泉
徐丽敏
卢纯镇
李亮
张飞飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
China United Network Communications Corp Ltd Hebei Branch
Original Assignee
State Grid Corp of China SGCC
State Grid Hebei Electric Power Co Ltd
China United Network Communications Corp Ltd Hebei Branch
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by State Grid Corp of China SGCC, State Grid Hebei Electric Power Co Ltd, China United Network Communications Corp Ltd Hebei Branch filed Critical State Grid Corp of China SGCC
Priority to CN202211035496.7A priority Critical patent/CN115528806A/en
Publication of CN115528806A publication Critical patent/CN115528806A/en
Pending legal-status Critical Current

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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
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/02Details
    • H02H3/06Details with automatic reconnection
    • H02H3/066Reconnection being a consequence of eliminating the fault which caused disconnection
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02HEMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00Emergency 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
    • H02H7/26Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occured
    • H02H7/261Sectionalised 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
    • H02H7/262Sectionalised 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
    • 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
    • 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
    • H02J13/00032Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/00036Systems 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
    • H02J13/0004Systems 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)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The application provides a 5G drive arrangement of distribution network self-healing, the device includes first 5G drive arrangement and second 5G drive arrangement, and first 5G drive arrangement installs higher level distribution station of distribution network, second 5G drive arrangement install the subordinate distribution station of distribution network, first 5G drive arrangement include first 5G communication device, first stand-by power supply automatic input device and the automatic device that puts into of second stand-by power supply, and second 5G drive arrangement includes second 5G communication device and the automatic device that puts into of third stand-by power supply. The first 5G communication device and the second 5G communication device are communicated and matched with each other to achieve quick self-healing of the power distribution network.

Description

5G drive arrangement of distribution network self-healing
Technical Field
The application relates to the technical field of power grid fault self-healing, in particular to a 5G driving device for self-healing of a power distribution network.
Background
The power grid mainly comprises a transmission network and a distribution network. At present, china has achieved certain achievements in the aspect of building strong and reliable power transmission networks, but the power supply reliability of power distribution networks is lower. Because the distribution network is directly oriented to the end user, the complexity of the distribution network is determined by the variety of the user and the power load, and when the distribution network fails, the distribution network can be subjected to self-healing to quickly diagnose, position and isolate the failure and recover the power grid. The distribution network self-healing based on 5G can enable the distribution network to quickly transmit fault information under the fault condition, network reconstruction and power restoration are carried out on the distribution network, and power supply reliability of the distribution network is improved.
When the power distribution network fails, the power distribution network needs to respond to the failure. First, the site of the failure needs to be determined. The distribution network directly faces to terminal users and is restricted by factors such as different loads and types, so that fault location becomes complex, fault information transmission becomes difficult, fault information can be transmitted in the distribution network quickly and efficiently, corresponding switches can be effectively turned on or off, and accordingly power supply can be quickly recovered.
Disclosure of Invention
In view of this, the embodiment of the present application is directed to provide a 5G driving device for self-healing of a power distribution network, where a first 5G driving device is provided in an upper-level distribution station of the power distribution network, a second 5G driving device is provided in a lower-level distribution station, and the first 5G driving device and the second 5G driving device cooperate with each other through 5G communication, so as to achieve self-healing of a fault of the power distribution network.
According to one aspect of the application, the embodiment of the application provides a 5G driving device for self-healing of a power distribution network, and the device is applied to self-healing of faults of the power distribution network. The 5G drive arrangement of distribution network self-healing includes:
the first 5G driving device is located in a superior power distribution station, the second 5G driving device is located in an inferior power distribution station, and the first 5G driving device and the second 5G driving device are cooperatively matched through 5G communication to realize fault self-healing of the power distribution network.
In an embodiment of the present invention, the first 5G driving device includes a first 5G communication device, a first backup power supply automatic switching device, and a second backup power supply automatic switching device, and the second 5G driving device includes a second 5G communication device and a third backup power supply automatic switching device.
In one embodiment of the invention, a first 5G communication device is installed in the upper-level power distribution station, and the first 5G communication device is used for sending the fault monitoring result of the power distribution network to a second 5G communication device.
In an embodiment of the invention, a second 5G communication device is installed in the lower distribution substation, and the second 5G communication device is used for receiving the fault monitoring result sent by the first 5G communication device.
In one embodiment of the present invention, the first backup power automatic switching device and the second backup power automatic switching device are disposed in the upper stage distribution station according to the voltage class, the third backup power automatic switching device is disposed in the lower stage distribution station, and the first backup power automatic switching device, the second backup power automatic switching device, and the third backup power automatic switching device are configured to switch the power loss section of the distribution network to the backup power.
In an embodiment of the present invention, after the first standby power automatic switching device and the second standby power automatic switching device are turned on to cooperate with a protection trip and a reclosing action of a main power line of a higher-level distribution station, the first 5G communication device sends a fault monitoring result to the second 5G communication device.
In an embodiment of the invention, when the upper-level distribution station loses power due to a fault, the first automatic standby power supply switching device is started, the second automatic standby power supply switching device is stopped, meanwhile, the first 5G communication device sends a signal for suspending the third automatic standby power supply switching device from being started, when the distribution network is successfully self-healed after the first automatic standby power supply switching device is started, the second 5G communication device receives the signal from the first 5G communication device, and the third automatic standby power supply switching device is stopped.
In an embodiment of the invention, when the upper-level distribution station loses power due to a fault, the first automatic standby power supply switching device is not started, the second automatic standby power supply switching device is started, meanwhile, the first 5G communication device sends a signal for suspending the third automatic standby power supply switching device from being started, when the distribution network is successfully self-healed after the second automatic standby power supply switching device is started, the second 5G communication device receives the signal from the first 5G communication device, and the third automatic standby power supply switching device is closed.
In an embodiment of the invention, when the next-stage distribution station fails to supply power, the first standby power supply automatic switching device and the second standby power supply automatic switching device are not started, the first 5G communication device does not send a signal for suspending the start of the third standby power supply automatic switching device, the second 5G communication device does not receive the suspension signal, and the third standby power supply automatic switching device is started.
In an embodiment of the invention, the first 5G communication device and the second 5G communication device normally transmit and receive signals in the power distribution network when the communication delay is not higher than 100 ms.
Drawings
Fig. 1 is a schematic structural diagram of a self-healing 5G driving device for a power distribution network according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a first 5G driving device and a second 5G driving device provided in an embodiment of the present application;
fig. 3 is a schematic structural diagram of a power distribution network according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of an internal switch of a distribution substation according to an embodiment of the present disclosure;
fig. 5A, fig. 5B, and fig. 5C are schematic diagrams illustrating an operation manner of an automatic first standby power switching device according to an embodiment of the present disclosure;
fig. 6A, fig. 6B, and fig. 6C are schematic diagrams illustrating an operation mode of a second standby power automatic switching apparatus according to an embodiment of the present application;
fig. 7A, 7B, and 7C are schematic diagrams illustrating an operation manner of a third automatic standby power supply switching device according to an embodiment of the present disclosure.
Reference numerals
1-a first 5G drive; 11-a first 5G communication device; 12-a first standby power supply automatic switching device; 13-automatic throw-in device of second standby power supply;
2-a second 5G drive device; 21-a second 5G communication device; 22-a third backup power supply automatic switching device;
3-upper level distribution station; 31-a first switch; 32-a second switch; 33-a third switch; 41-a fourth switch; 42-a fifth switch; 43-a sixth switch;
5-subordinate substation; 51-a seventh switch; 52-eighth switch; 53-ninth switch;
6-a switch; 61-switch closed; 62-the switch is open.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
Further, in the exemplary embodiments, since the same reference numerals have the same components of the same structure or the same steps of the same method, if an embodiment is exemplarily described, only a structure or a method different from the already described embodiment is described in other exemplary embodiments.
In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise. In the embodiment of the present application, all directional indicators (such as up, down, left, right, front, rear, top, bottom \8230;) are used only to explain the relative positional relationship between the components, the motion, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements but may alternatively include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Furthermore, reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
Fig. 1 is a schematic structural diagram of a self-healing 5G driving device for a power distribution network according to an embodiment of the present application. As shown in fig. 1, the 5G drive device for self-healing of the power distribution network includes: the first 5G driving device 1, the second 5G driving device 2, the upper distribution station 3 and the lower distribution station 5.
Wherein, first 5G drive arrangement 1 installs in the higher level distribution substation 3 of distribution network, and second 5G drive arrangement 2 installs in the subordinate distribution substation 5 of distribution network, and first 5G drive arrangement 1 and second 5G drive arrangement 2 are used for the fault self-healing of communication cooperation in order to realize the distribution network.
Fig. 2 is a schematic structural diagram of a first 5G driving device and a second 5G driving device according to an embodiment of the present application. As shown in fig. 2, the first 5G driving device 1 includes a first 5G communication device 11, a first backup power automatic switching device 12, and a second backup power automatic switching device 13, and the second 5G driving device 2 includes a second 5G communication device 21 and a third backup power automatic switching device 22, where the first 5G communication device 1 and the second 5G communication device 2 are in communication with each other, the first backup power automatic switching device 12 and the second backup power automatic switching device 13 are electrically connected to an upper-level distribution substation, and the third backup power automatic switching device 22 is electrically connected to a lower-level distribution substation.
Fig. 3 is a schematic structural diagram of a power distribution network according to an embodiment of the present application, and as shown in fig. 3, the power distribution network includes an upper distribution station 3 and a lower distribution station 5, where the upper distribution station 3 includes a first standby power supply and a second standby power supply, and where the first standby power supply automatic input device 12 controls the first switch 31, the second switch 32, and the third switch 33 to turn on the first standby power supply; the second backup power automatic throw-in device 13 controls the fourth switch 41, the fifth switch 42, and the sixth switch 43 to turn on the second backup power. The lower distribution substation 5 includes a third backup power automatic switching device that controls the seventh switch 51, the eighth switch 52, and the ninth switch 53.
Fig. 4 is a schematic structural diagram of an internal switch of a distribution substation according to an embodiment of the present disclosure, where the structure of the internal switch is shown in fig. 4 as 61 when the switch is closed and 62 when the switch is opened.
Fig. 5 is a schematic diagram illustrating an operation manner of a first automatic standby power supply switching device according to an embodiment of the present disclosure, where the operation manner of the first automatic standby power supply switching device is divided into three types, as shown in fig. 5A, the first operation manner is that a first switch 31 and a second switch 32 are closed, and a third switch 33 is opened; as shown in fig. 5B, the second operation mode is that the first switch 31 and the third switch 33 are closed, and the second switch 32 is opened; as shown in fig. 5C, the third operation mode is that the first switch 31 is opened, and the second switch 32 and the third switch 33 are closed.
Fig. 6 is a schematic diagram illustrating an operation mode of a second automatic standby power supply switching device according to an embodiment of the present application, where the operation mode of the second automatic standby power supply switching device is divided into three types, and as shown in fig. 6A, the first operation mode includes that a fourth switch 41 and a fifth switch 42 are closed, and a sixth switch 43 is opened; as shown in fig. 6B, the second operation mode is that the fourth switch 41 and the sixth switch 43 are closed, and the fifth switch 42 is opened; as shown in fig. 6C, the third operation mode is that the fourth switch 41 is turned on, and the fifth switch 42 and the sixth switch 43 are turned off.
Fig. 7 is a schematic diagram illustrating an operation manner of a third automatic standby power supply switching device according to an embodiment of the present disclosure, where the operation manner of the third automatic standby power supply switching device is divided into three types, and as shown in fig. 7A, the first operation manner is that a seventh switch 51 and an eighth switch 52 are closed, and a ninth switch 53 is opened; as shown in fig. 7B, the second operation mode is that the seventh switch 51 and the ninth switch 53 are closed, and the eighth switch 52 is opened; as shown in fig. 7C, the third operation mode is that the seventh switch 51 is turned on, and the eighth switch 52 and the ninth switch 53 are turned off.
In one embodiment, a first 5G communication device is installed in a superior distribution substation, and the first 5G communication device is used for transmitting a fault monitoring result of a distribution network to a second 5G communication device.
In one embodiment, the second 5G communication device is installed in the lower power distribution station, and the second 5G communication device is used for receiving the fault monitoring result sent by the first 5G communication device.
In one embodiment, the first standby power automatic switching device, the second standby power automatic switching device and the third standby power automatic switching device are used for switching the power loss part of the power distribution network to the standby power.
In an embodiment, after the first standby power automatic switching device and the second standby power automatic switching device are turned on to cooperate with protection tripping and reclosing actions of a main power supply line of a superior distribution station, the first 5G communication device sends a fault monitoring result to the second 5G communication device.
In one embodiment, when the upper-level distribution station fails and loses power, the first standby power supply automatic switching device is started, the second standby power supply automatic switching device is stopped, meanwhile, the first 5G communication device sends a signal for stopping starting the third standby power supply automatic switching device, when the distribution network self-healing succeeds after the first standby power supply automatic switching device is started, the second 5G communication device receives the signal of the first 5G communication device, and the third standby power supply automatic switching device is stopped.
In an embodiment, when the upper-level distribution station loses power due to a fault, the first automatic standby power supply switching device is not started, the second automatic standby power supply switching device is started, meanwhile, the first 5G communication device sends a signal for suspending the third automatic standby power supply switching device from being started, when the distribution network is self-healed successfully after the second automatic standby power supply switching device is started, the second 5G communication device receives the signal from the first 5G communication device, and the third automatic standby power supply switching device is closed.
In one embodiment, when the next-stage distribution station loses power due to a fault, the first standby power supply automatic switching device and the second standby power supply automatic switching device are not started, the first 5G communication device does not send a signal for suspending the third standby power supply automatic switching device to be started, the second 5G communication device does not receive the signal, and the third standby power supply automatic switching device is started.
In one embodiment, the first 5G communication device and the second 5G communication device normally transmit and receive signals in the power distribution network when the communication delay is not higher than 100 ms.
In one embodiment, after a power failure accident occurs, the protection action condition, the switch action condition, the safety automatic device action condition and the current and voltage remote measurement information of the whole network equipment after the accident are obtained in real time according to the real-time system operation mode to carry out rapid fault analysis.
In one embodiment, the first 5G communication device generates control information within two minutes after the power failure accident occurs, and the dispatching center attendant obtains most core fault information through the first 5G communication device within the shortest time after the power failure accident occurs.
In one embodiment, a power loss accident report may be summarized from the control information generated by the first 5G communication device, and the power loss accident report includes:
a) Accident important matters are arranged in time sequence, and the time is accurate to millisecond level. The important matters of the accident mainly comprise: protecting the action event of each element, the safe automatic action event (including the action information of a safe automatic device such as a standby power automatic switching device, load sharing, low frequency and low voltage, and the like), the switch deflection event, and the like;
b) Locating a faulty component or a faulty component range;
c) Event information of action sequence of each element of the protection device;
d) Action information of a safety automatic device in an accident area;
e) A switch shift action sequence event;
f) Determining whether the event meets the requirement of an action rule and whether the action is correct or not in the analysis process of the switching, protection and safety actions;
g) Screening out suspicious action information of the action elements which do not meet the action logic requirement;
h) Current and voltage out-of-limit alarm information (including whole network equipment) generated after an accident and before report generation;
i) And on the premise that the protection device action report can be timely obtained, simple fault information is extracted from the protection device action report.
In an embodiment, by means of a first 5G communication device and a second 5G communication device, the application of an automatic switching device of a regional standby power supply between series-supplied transformer substations (a 35kV village station and a 35kV queen station) of the same voltage class is realized, the automatic switching device of a station domain standby power supply between upper and lower transformer substations of different voltage classes (the automatic switching device of the station domain standby power supply of a 110kV Onwei station and the automatic switching device of the regional standby power supply of the 35kV village station and the automatic switching device of the regional standby power supply of the 35kV queen station are realized, the automatic switching device of the station domain standby power supply of the 110kV village station and the automatic switching device of the station domain standby power supply of the 35kV Guzhou station are cooperatively matched, the automatic switching device of the station domain standby power supply of the 110kV Jianzhu station and the automatic switching device of the station standby power supply of the 110kV Linhe are respectively and the automatic switching device of the upper and lower standby power supply of the 35kV Changzhou station are cooperatively matched, the self-healing control of multiple voltage classes is realized, and the self-healing control of the power grid safety cooperative ability of each class is improved.
In an embodiment, by means of the first 5G communication device and the second 5G communication device, the function of the automatic switching-in device of the regional standby power supply between the series-supply transformer substations of the same voltage class is achieved, and the problem that the automatic switching-in device of the standby power supply in the station cannot achieve self-healing of a remote distribution network is solved.
In one embodiment, the first 5G communication device and the second 5G communication device are used for realizing the optimized matching of the upper-level and lower-level standby power supply automatic switching devices between upper-level and lower-level transformer substations with different voltage levels.
In one embodiment, the automatic standby power supply switching devices between the upper and lower substations are matched through a locking signal transmitted by the 5G communication device, so that the automatic standby power supply switching devices of the lower substation cannot be operated beyond the level when the automatic standby power supply switching devices of the upper substation are operated, and the operation of the automatic standby power supply switching devices of the lower substation can be accelerated under the condition that the automatic standby power supply switching devices of the upper substation are not operated successfully, so that the self-healing time of the lower substation is shortened.
In one embodiment, the first 5G communication device comprises a software and hardware platform of the automatic standby power supply switching device, a 5G signal receiving module is added on the basis of the existing hardware platform on a physical layer, and the device is connected with the modules through serial ports or network cables; and the R-SV, R-GOOSE protocol or TCP/IP protocol which conforms to the IEC61850 standard is adopted at the protocol layer to transmit electric quantity sampling calculation value data, so that the multi-voltage level collaborative high-speed self-healing based on 5G communication is realized.
In summary, the device comprises a first 5G driving device and a second 5G driving device, the first 5G driving device is installed at an upper-level distribution station of the power distribution network, the second 5G driving device is installed at a lower-level distribution station of the power distribution network, the first 5G driving device comprises a first 5G communication device, a first standby power supply automatic switching device and a second standby power supply automatic switching device, and the second 5G driving device comprises a second 5G communication device and a third standby power supply automatic switching device. The first 5G communication device and the second 5G communication device are in communication cooperation with each other to achieve quick self-healing of the power distribution network.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the present invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims (10)

1. The utility model provides a distribution network self-healing's 5G drive arrangement which characterized in that includes: first 5G drive arrangement and second 5G drive arrangement, first 5G drive arrangement installs the higher level distribution substation of distribution network, second 5G drive arrangement installs the subordinate's distribution substation of distribution network, first 5G drive arrangement with second 5G drive arrangement is used for the communication cooperation in order to realize the trouble self-healing of distribution network.
2. A self-healing 5G driving device for a distribution network according to claim 1, wherein the first 5G driving device includes a first 5G communication device, a first backup power source automatic switching device and a second backup power source automatic switching device, the second 5G driving device includes a second 5G communication device and a third backup power source automatic switching device, wherein the first 5G communication device and the second 5G communication device are in communication with each other, the first backup power source automatic switching device and the second backup power source automatic switching device are electrically connected to the superior distribution substation, and the third backup power source automatic switching device is electrically connected to the inferior distribution substation.
3. A self-healing 5G driving device for an electric distribution network according to claim 2, wherein the first 5G communication device is installed in the upper distribution substation, and the first 5G communication device is configured to send the fault monitoring result of the electric distribution network to the second 5G communication device.
4. A self-healing 5G driving device for an electric distribution network according to claim 2, wherein the second 5G communication device is installed in the lower distribution substation, and the second 5G communication device is configured to receive the fault monitoring result sent by the first 5G communication device.
5. The self-healing 5G driving device for a power distribution network according to claim 2, wherein the first standby power automatic switching device and the second standby power automatic switching device are disposed in the upper distribution substation according to voltage classes, the third standby power automatic switching device is disposed in the lower distribution substation, and the first standby power automatic switching device, the second standby power automatic switching device and the third standby power automatic switching device are configured to switch a power loss portion of the power distribution network to a standby power.
6. The self-healing 5G driving device for the distribution network according to claim 2, wherein after the first standby power automatic switching device and the second standby power automatic switching device are turned on to cooperate with tripping and reclosing actions of protection of the main power supply line of the superior distribution station, the first 5G communication device sends the fault monitoring result to the second 5G communication device.
7. The self-healing 5G driving device for the power distribution network according to claim 2, wherein when the superior power distribution station fails, the first standby power supply automatic switching device is turned on, the second standby power supply automatic switching device is turned off, and meanwhile, the first 5G communication device sends a signal for suspending turning on of the third standby power supply automatic switching device, and when the power distribution network self-healing succeeds after the first standby power supply automatic switching device is turned on, the second 5G communication device receives the signal from the first 5G communication device, and the third standby power supply automatic switching device is turned off.
8. The self-healing 5G driving device for the power distribution network according to claim 2, wherein when the superior power distribution station loses power due to a fault, the first standby power automatic switching device is not turned on, the second standby power automatic switching device is turned on, and meanwhile, the first 5G communication device sends a signal for suspending turning on of the third standby power automatic switching device, and when the power distribution network is successfully self-healed after the second standby power automatic switching device is turned on, the second 5G communication device receives the signal from the first 5G communication device, and the third standby power automatic switching device is turned off.
9. The self-healing 5G driving device for the distribution network according to claim 2, wherein when the subordinate distribution substation fails, the first standby power automatic switching device and the second standby power automatic switching device are not turned on, the first 5G communication device does not send a signal for suspending turning on of the third standby power automatic switching device, the second 5G communication device does not receive the suspension signal, and the third standby power automatic switching device is turned on.
10. A self-healing 5G driving device for a power distribution network according to claim 2, wherein the first 5G communication device and the second 5G communication device transmit and receive signals in the power distribution network normally when the communication delay is not higher than 100 ms.
CN202211035496.7A 2022-08-26 2022-08-26 5G drive arrangement of distribution network self-healing Pending CN115528806A (en)

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