CN110867966A - Distribution terminal full coverage area distributed self-healing system - Google Patents

Distribution terminal full coverage area distributed self-healing system Download PDF

Info

Publication number
CN110867966A
CN110867966A CN201911184383.1A CN201911184383A CN110867966A CN 110867966 A CN110867966 A CN 110867966A CN 201911184383 A CN201911184383 A CN 201911184383A CN 110867966 A CN110867966 A CN 110867966A
Authority
CN
China
Prior art keywords
switch
distribution
power
distribution terminal
coverage area
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN201911184383.1A
Other languages
Chinese (zh)
Inventor
叶继红
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.)
SHANGHAI XINYING POWERTECH CO Ltd
Original Assignee
SHANGHAI XINYING POWERTECH CO Ltd
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.)
Filing date
Publication date
Application filed by SHANGHAI XINYING POWERTECH CO Ltd filed Critical SHANGHAI XINYING POWERTECH CO Ltd
Priority to CN201911184383.1A priority Critical patent/CN110867966A/en
Publication of CN110867966A publication Critical patent/CN110867966A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S40/00—Systems 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
    • Y04S40/12—Systems 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
    • Y04S40/124—Systems 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 wired telecommunication networks or data transmission busses
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS 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
    • Y04S40/00—Systems 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
    • Y04S40/12—Systems 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
    • Y04S40/126—Systems 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

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The invention relates to a distribution terminal full-coverage area distributed self-healing system which comprises a distribution main station server, a plurality of switch outlet protection devices, a plurality of FA complete sets and a plurality of distribution terminals, wherein the number of the switch outlet protection devices is the same as that of switch stations in a distributed feeder network, each switch outlet protection device is connected with one switch station, each switch outlet protection device is connected with one FA complete set, each FA complete set is respectively connected with a plurality of distribution terminals, each FA complete set is connected with one primary switch device, each FA complete set is connected with the distribution main station server through optical fibers or wireless, and the plurality of FA complete sets are placed in a 5U 19-inch box. Compared with the prior art, the invention has the advantages of low cost, strong practicability and the like.

Description

Distribution terminal full coverage area distributed self-healing system
Technical Field
The invention relates to the technical field of power systems, in particular to a distribution terminal full-coverage area distributed self-healing system.
Background
The power system is a blood supply system of human society and is related to the survival and development of the human society. The distribution network system is like a capillary system and continuously provides essential power nuclear activity for families, public utilities, service industries and enterprises, and a feeder line of the distribution system is used as a most basic terminal power supply network unit of the distribution network, so that the operation and maintenance of the distribution network unit directly influence the power consumption quality of power customers. The power distribution network automation system is a set of automation system which is established for improving the power distribution and power supply quality of the power system and improves the automation degree and efficiency of power supply operation and maintenance.
Feeder automation FA, which is the most basic and important part of a distribution automation system, is the basis of the distribution automation system. It provides the vital automation logic of "fault location, fault isolation and fault recovery" of distribution feeder lines.
Currently, over 85% of fault blackouts are due to power distribution network faults. Therefore, the fault processing of the power distribution network has important significance for improving the power supply reliability. With the continuous improvement of the coverage rate of the distribution automation terminals, the number of the distribution terminals processed by the centralized distribution automation master station is thousands of less, the number of the distribution terminals processed by the centralized distribution automation master station is tens of thousands of more, the pressure born by the centralized distribution automation master station is increasingly increased, the faults of the master station server, the communication line and the communication equipment cannot be avoided no matter what hot standby mechanism is adopted, and the failure of the feeder automation action can be caused when any one of the real links fails; meanwhile, a large amount of data is collected to the master station for analysis and processing, and higher requirements are put forward for the processing capacity of the master station server and dispatching personnel.
Aiming at the problems, the existing distribution automation coverage area self-healing system needs to rely on a main communication network to realize subarea self-healing, still needs a large number of distribution terminals and a large number of feeder automation FA devices, and is large in quantity and high in cost. Because the existing automatic FA equipment is more in quantity and large in required space, the installation and the carrying are very inconvenient, and the labor cost is increased. In addition, the existing self-healing system for the distribution automation coverage area has a complex communication mode, and when any one device fails and any one node has communication abnormality, failure of the self-healing action of the FA partition is caused. At present, the requirement on a local self-healing system in the market is high, peer-to-peer communication is relied on, most of the systems adopt a GOOSE message broadcasting mechanism, on one hand, a switch is required to support the GOOSE messages, on the other hand, the switch can normally work only by the same power distribution terminal of a manufacturer in a self-healing area, and therefore the system cannot be popularized in a large area. The existing distribution automation coverage area self-healing system cannot be compatible with various communication modes, if the communication modes are switched, the distribution terminal of a manufacturer needs to be replaced to realize peer-to-peer communication, and the operation cost is greatly improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a full-coverage-area distributed self-healing system for a power distribution terminal.
The purpose of the invention can be realized by the following technical scheme:
a distribution terminal full coverage area distributed self-healing system is used for a distributed feeder network and comprises a distribution main station server, a plurality of switch outgoing line protection devices, a plurality of FA complete sets and a plurality of distribution terminals, wherein the number of the switch outgoing line protection devices is the same as that of the switch stations in the distributed feeder network, each switch outgoing line protection device is connected with one switch station, each switch outgoing line protection device is connected with one FA complete set, each FA complete set is connected with a plurality of distribution terminals, each FA complete set is connected with one primary switch device, each FA complete set is connected with the distribution main station server through optical fibers or wireless, and the FA complete sets are placed in a 5U 19-inch box. Each FA kit is connected to the distribution terminal via a fiber optic communication network.
FA integrated equipment include the FA controller, the FA controller include power strip and control mainboard, power strip connection control mainboard, the control mainboard include main control chip module, a plurality of RS485 serial interface and network interface, RS485 serial interface, network interface follow the back protrusion setting of 5U's 19 inches box, FA integrated equipment and the protection device that is qualified for the next round of competitions that corresponds pass through RS485 serial interface network interface connection.
The power panel comprises a direct-current power supply module group, 8 paths of remote signaling input ports and 4 paths of relay output interfaces, wherein the 8 paths of remote signaling input ports and the 4 paths of relay output interfaces are connected with a remote measuring and remote control interface of primary switch equipment. Preferably, the direct current power module group is an LHE15-20B05 power module.
Preferably, the FA kit further comprises an indication panel arranged on the front surface of the 5U 19-inch box body, the indication panel is connected with the control main board and the power board respectively, and the indication panel comprises a plurality of line switch status indicator lamps and alarm flashing indicator lamps.
The network interface of the control mainboard is connected with the network port of the switch outlet protection device corresponding to the FA complete equipment to which the control mainboard belongs, or the RS485 serial interface of the control mainboard is connected with the RS485 serial interface of the switch outlet protection device corresponding to the FA complete equipment to which the control mainboard belongs.
Preferably, the number of FA kits is 1-6 in a 5U 19-inch box.
Each FA complete equipment communicates with a power distribution main station server through an IEC104 protocol, each switch outgoing line protection device communicates with one FA complete equipment through an IEC103 protocol or an IEC104 protocol, and each FA complete equipment communicates with a plurality of power distribution terminals through the IEC103 protocol or the IEC104 protocol.
The working principle of the system of the invention is as follows:
1) when a feeder line fails, the FA complete equipment adopts an optical fiber communication network of an equality to communicate with a power distribution terminal, collects information of a switch station outgoing line protection device connected with the FA complete equipment and information of the power distribution terminal on the line, and determines a section with the failure after comparison;
2) the FA complete equipment trips off primary switch equipment at two ends of a fault section according to pre-configured local feeder automation function logic, completes fault isolation action, recovers power supply of a non-fault section, and reports the result to a power distribution main station server;
3) and the FA complete equipment displays the switch position signal and the fault alarm information of the whole line through the indicator lamp.
Compared with the prior art, the invention has the following advantages:
the FA complete equipment is designed, one end of the FA complete equipment is connected with a corresponding switch outgoing line protection device, the other end of the FA complete equipment is connected with a plurality of power distribution terminals, one FA complete equipment can collect data collected by the plurality of power distribution terminals, intelligent distributed feeder automation upgrading and transformation are achieved in a power distribution automation coverage area at the highest speed with the lowest cost, the running condition of each power distribution terminal can be monitored in real time, the number of power distribution terminals managed by a master station is reduced, and the cost is greatly reduced;
the number of the FA complete sets is the same as that of the switch outgoing line protection devices to be connected, 1-6 FA complete sets can be placed in a 5U 19-inch box, space is saved, carrying and installation are convenient, and labor cost is reduced;
the FA complete equipment is provided with an indication panel, the panel comprises a circuit switch state indicator lamp and an alarm flashing indicator lamp, each indicator lamp is respectively connected with the control main board and used for displaying the circuit switch state and the circuit abnormal alarm, and the FA complete equipment has a visual warning effect;
and fourthly, the power distribution master station server communicates with the switch outlet protection device by adopting an IEC104 protocol, the FA complete equipment communicates with the switch outlet protection device by adopting the IEC104 protocol, and the FA complete equipment communicates with a plurality of power distribution terminals by adopting an IEC103 protocol or an IEC104 protocol.
Drawings
Fig. 1 is a schematic diagram of an intelligent distributed feeder automation process according to an embodiment of the present invention;
FIG. 2 is a diagram of a typical topology structure of a dual-power-supply hand-pulled circuit network frame in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a distribution terminal full coverage area distributed self-healing system in an embodiment of the present invention;
FIG. 4 is a front view of the FA controller in the FA kit according to the embodiment of the present invention;
FIG. 5 is a schematic diagram of a main structure of a power board of an FA controller in the FA kit according to the embodiment of the present invention;
fig. 6 is a schematic main structural diagram of a control main board of an FA controller in an FA kit according to an embodiment of the present invention.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.
The distributed feeder automation has the characteristic of rapidly processing faults on site, and is one of important technical means for realizing the intelligent power distribution network; the intelligent distributed feeder automation is one of the on-site feeder automation modes specified by the national grid 'distribution automation technology guide', and the intelligent distributed distribution terminal is an important component device of the intelligent distributed feeder automation, is independent of a main station and a sub-station, and has the advantages of distribution and autonomy.
Compared with a centralized main station, the distributed feeder automation is faster and more reliable, can be regarded as regional protection, can also be regarded as an extension of 10KV outgoing line protection of a transformer substation, and is mainly applied to lines with 10KV distribution line section switches as load switches. When a fault occurs, the system can realize quick fault positioning according to preset conditions when the fault occurs in the distribution line; after the breaker at the outlet of the transformer substation trips to remove the fault, fault isolation is rapidly carried out, and power supply of a non-fault area is recovered. The process of intelligent distributed feeder automation processing is shown in fig. 1.
A typical dual-power-supply hand-pulling circuit comprises distribution station automation equipment as a target object, wherein the circuit is formed by connecting 2 transformer substations (large distribution stations with protection, and some places are called switching stations) and a plurality of distribution terminals (distribution stations without protection or ring network stations) in series. As shown in fig. 2, the two switching stations of the power supply point are equipped with distribution automation and protection devices, and have protection, remote measurement, remote signaling and remote control functions, and the distribution station is equipped with an electric automation terminal device.
The invention relates to a distribution terminal full-coverage area distributed self-healing system, wherein a plurality of FA complete sets are arranged at a plurality of switch outgoing line protection devices, the number of the FA complete sets is the same as that of the switch outgoing line protection devices to be connected for communication, and the FA complete sets can be placed in a 5U 19-inch box. Preferably, the number of FA complete sets is not more than 6, so that the space can be saved, and the FA complete sets are convenient to carry and install.
As shown in fig. 3, the system includes a power distribution master station server, a first switch outgoing line protection device, a second switch outgoing line protection device, a first FA kit, a second FA kit, and a plurality of power distribution terminals.
And the power distribution master station server is respectively in wireless connection with the first switch outgoing line protection device and the second switch outgoing line protection device. The first switch outgoing line protection device is connected with the first FA complete equipment, and the second switch outgoing line protection device is connected with the second FA complete equipment. And each FA complete equipment is connected with the power distribution main station server in an optical fiber or wireless mode. The first FA equipment set and the second FA equipment set are communicated with a plurality of power distribution terminals by adopting an optical fiber communication network in an equality mode respectively. On one hand, each FA complete equipment is communicated with a conventional power distribution terminal to exchange data in a network mode, and data such as the switch position, current, voltage, overcurrent and the like of the ring main unit are obtained; on one hand, data are communicated and exchanged with the corresponding outgoing line protection device in a network or serial port mode, and the data of the position, the current, the voltage and the protection action of the outgoing line switch of the transformer substation are obtained; meanwhile, the FA complete equipment at the opposite-end power supply side communicates through an optical fiber communication network to obtain the position, current, voltage and protection action data of a transformer substation outgoing switch of the opposite-end protection device.
And the power distribution main station server is communicated with the first FA complete set device and the second FA complete set device respectively by adopting an IEC104 protocol. Each switch outlet protection device is communicated with a corresponding FA complete device through an IEC103 protocol or an IEC104 protocol, and each FA complete device is communicated with a power distribution terminal through the IEC103 protocol or the IEC104 protocol.
Each FA complete equipment comprises an FA controller and an indication panel, wherein the FA controller comprises a power panel and a control main board, and the power panel is connected with the control main board through a CAN bus. The indication panel is arranged on the front surface of the 5U 19-inch box body and is connected with the control main board. The power panel is respectively connected with the control mainboard and the indication panel.
The power panel comprises a direct-current power module group, 8 paths of remote signaling input interfaces and 4 paths of relay output interfaces, wherein the 8 paths of remote signaling input interfaces and the 4 paths of relay output interfaces can be directly connected with a remote measuring and remote control interface of the primary switch equipment and are used for controlling the opening and closing actions of the switches through hard node signals. The direct current power supply module group adopts an LHE15-20B05 power supply module.
The control mainboard comprises a main control chip module, 4 RS485 serial interfaces and 2 network interfaces. Each interface is respectively connected with the main control chip module. 4 RS485 serial interfaces and 2 network interfaces are provided protruding from the back of a 5U 19 inch cabinet. The network interface of the control main board is connected with the network port of the switch outgoing line protection device corresponding to the FA complete equipment to which the control main board belongs, or the RS485 serial interface of the control main board is connected with the RS485 serial interface of the switch outgoing line protection device corresponding to the FA complete equipment to which the control main board belongs, and the control main board reports the result of the judgment of the main control chip module on the acquired information data to the power distribution master station server through an IEC104 protocol.
Be equipped with a plurality of pilot lamps on the instruction panel, including circuit switch state pilot lamp, warning scintillation pilot lamp, each pilot lamp is the connection control mainboard respectively.
The working principle of the invention is as follows:
and an FA complete device is added at the position of each substation switch outgoing line and is communicated with the existing power distribution terminal and the switch outgoing line protection device. When a feeder line has a fault, the FA complete equipment adopts an optical fiber communication network of an equality to communicate with a distribution terminal, collects information of a switch outgoing line protection device connected with the FA complete equipment and a conventional distribution terminal on the line, determines a fault section after comprehensive comparison, jumps off primary switch equipment at two ends of the fault section, such as a circuit breaker or a load switch, completes fault isolation action and recovers power supply of a non-fault section according to on-site type feeder automation function logic configured in the FA complete equipment in advance, and then reports a result to a distribution main station server, so that the FA complete equipment can quickly realize all functions of on-site self-healing of the line under the condition of putting into operation. The FA complete equipment is communicated with a conventional power distribution terminal to exchange data in a network mode, communicated with a switch outgoing line protection device in a network or serial port mode to exchange data, communicated with the FA complete equipment on the opposite-end power supply side, used for collecting information such as all telemetering and remote signaling of the circuit and the running state of the equipment, and displaying switch position signals and alarm information of the whole circuit through an indicator lamp.
The FA complete equipment is designed and connected with the corresponding switch outgoing line protection device and the plurality of power distribution terminals and connected with the primary switch equipment, one FA complete equipment can collect the collected data of the plurality of power distribution terminals, the upgrading and transformation of intelligent distributed feeder automation are realized in a power distribution automation coverage area by using the lowest cost and the fastest speed, the running condition of each power distribution terminal can be monitored in real time, the number of power distribution terminals managed by a master station is reduced, and the cost is greatly reduced.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and those skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. A distribution terminal full coverage area distributed self-healing system is used for a distributed feeder network and is characterized by comprising a distribution main station server, a plurality of switch outlet protection devices, a plurality of FA complete sets and a plurality of distribution terminals, wherein the number of the switch outlet protection devices is the same as that of switch stations in the distributed feeder network, each switch outlet protection device is connected with one switch station, each switch outlet protection device is connected with one FA complete set, each FA complete set is respectively connected with a plurality of distribution terminals, each FA complete set is connected with one primary switch device, each FA complete set is connected with the distribution main station server through optical fibers or wireless, and the FA complete sets are placed in a 5U 19-inch box.
2. The distribution terminal full coverage area distributed self-healing system according to claim 1, wherein the FA kit comprises an FA controller, the FA controller comprises a power board and a control main board, the power board is connected with the control main board, the control main board comprises a main control chip module, a plurality of RS485 serial interfaces and a network interface, the RS485 serial interfaces and the network interface are arranged protruding from the back of a 5U 19-inch box body, and the FA kit is connected with a corresponding switch outgoing line protection device through the RS485 serial interface network interface.
3. The distributed self-healing system for the full coverage area of the power distribution terminal according to claim 2, wherein the power panel comprises a dc power module group, 8 remote signaling input ports and 4 relay output interfaces, and the 8 remote signaling input ports and the 4 relay output interfaces are connected to the telemetry and remote control interfaces of the primary switchgear.
4. A full-coverage-area distributed self-healing system according to claim 3, wherein the dc power module group is an LHE15-20B05 power module.
5. The distribution terminal full coverage area distributed self-healing system according to claim 2, wherein the FA kit further comprises an indication panel disposed on a front surface of the 5U 19-inch box, the indication panel is connected to the control main board and the power board respectively, and the indication panel comprises a plurality of line switch status indicator lamps and alarm flashing indicator lamps.
6. A full-coverage-area distributed self-healing system according to claim 1, wherein each FA kit is connected to the distribution terminal via a fiber optic communication network.
7. The distributed self-healing system for the full coverage area of the power distribution terminal according to claim 2, wherein the network interface of the control motherboard is connected to the network port of the switch outgoing line protection device corresponding to the FA suite device to which the control motherboard belongs, or the RS485 serial interface of the control motherboard is connected to the RS485 serial interface of the switch outgoing line protection device corresponding to the FA suite device to which the control motherboard belongs.
8. A power distribution terminal full coverage area distributed self-healing system according to claim 1, wherein the number of FA kits is 1-6 in a 5U 19 inch box.
9. The distribution terminal full-coverage area distributed self-healing system according to claim 1, wherein each FA kit communicates with the distribution main station server through an IEC104 protocol, each switch outlet protection device communicates with one FA kit through an IEC103 protocol or an IEC104 protocol, and each FA kit communicates with a plurality of distribution terminals through an IEC103 protocol or an IEC104 protocol.
10. A power distribution terminal full coverage area distributed self-healing system according to any one of claims 1 to 9, wherein the system operates according to the following principle:
1) when a feeder line fails, the FA complete equipment adopts an optical fiber communication network of an equality to communicate with a power distribution terminal, collects information of a switch station outgoing line protection device connected with the FA complete equipment and information of the power distribution terminal on the line, and determines a section with the failure after comparison;
2) the FA complete equipment trips off primary switch equipment at two ends of a fault section according to pre-configured local feeder automation function logic, completes fault isolation action, recovers power supply of a non-fault section, and reports the result to a power distribution main station server;
3) and the FA complete equipment displays the switch position signal and the fault alarm information of the whole line through the indicator lamp.
CN201911184383.1A 2019-11-27 2019-11-27 Distribution terminal full coverage area distributed self-healing system Pending CN110867966A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911184383.1A CN110867966A (en) 2019-11-27 2019-11-27 Distribution terminal full coverage area distributed self-healing system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911184383.1A CN110867966A (en) 2019-11-27 2019-11-27 Distribution terminal full coverage area distributed self-healing system

Publications (1)

Publication Number Publication Date
CN110867966A true CN110867966A (en) 2020-03-06

Family

ID=69656769

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911184383.1A Pending CN110867966A (en) 2019-11-27 2019-11-27 Distribution terminal full coverage area distributed self-healing system

Country Status (1)

Country Link
CN (1) CN110867966A (en)

Similar Documents

Publication Publication Date Title
CN102255388B (en) Distributed distribution network terminal device
CN202142911U (en) An intelligent monitoring module and a distributed distribution terminal having the intelligent monitoring module
CN202940826U (en) Network communication management machine and network communication management system
CN102624085A (en) Alternating-current and direction-current (AC-DC) integrated power supply system and DC power supply cabinet
CN201414021Y (en) Intelligent power distribution system for telecommunication room
CN202353309U (en) AC-DC (alternating current-direct current) integrated power supply system and DC power cabinet
CN203561717U (en) Distribution board direct current ground connection alarm device
CN102868221A (en) Intelligent drawer switch cabinet
CN204497849U (en) A kind ofly take into account measure and control device that is centralized, formula feeder automation on the spot
CN115313653A (en) Simulation platform area training system with intelligent fusion terminal as core
CN204330940U (en) A kind of line fault monitoring system
CN202034825U (en) Intelligent comprehensive device of medium-voltage switch
KR20010103442A (en) Automatic Power Restoration System
CN211209379U (en) Distribution terminal full coverage area distributed self-healing system
CN204156609U (en) Unattended substation remote control/remote signaling function on-Line Monitor Device
CN204012933U (en) Distribution automation detection and control terminal
CN110867966A (en) Distribution terminal full coverage area distributed self-healing system
CN214506661U (en) System based on low-voltage transformer area line loss rapid positioning
CN202503368U (en) Intelligent distributed power distribution monitoring device
CN201821164U (en) Automatic intelligent terminal device for distribution network
CN201608563U (en) Electric arc light intelligent remote monitoring system
CN211321024U (en) Embedded distribution transformer monitoring and metering device and distribution room terminal
CN201259622Y (en) Remote digital monitoring system
CN106026110A (en) Grid-load interaction terminal capable of removing great user load quickly
CN102487218A (en) Method for monitoring loop network cabinet and automated remote terminal for power distribution

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 40015548

Country of ref document: HK