CN211209379U - Distribution terminal full coverage area distributed self-healing system - Google Patents
Distribution terminal full coverage area distributed self-healing system Download PDFInfo
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- CN211209379U CN211209379U CN201922078326.7U CN201922078326U CN211209379U CN 211209379 U CN211209379 U CN 211209379U CN 201922078326 U CN201922078326 U CN 201922078326U CN 211209379 U CN211209379 U CN 211209379U
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Abstract
The utility model relates to a distribution terminal full coverage area distributing type self-healing system, including distribution main website server, a plurality of switches protection device of being qualified for the next round of competitions, a plurality of FA integrated equipment and a plurality of distribution terminal, the quantity that the switch was qualified for the next round of competitions protection device is the same with the quantity at the switch station in the distributed feeder network, each switch protection device of being qualified for the next round of competitions connects a switch station, each switch protection device of being qualified for the next round of competitions connects a FA integrated equipment, each FA integrated equipment connects a switchgear, each FA integrated equipment passes through optic fibre or wireless connection with distribution main website server, a plurality of FA integrated equipment place in a 5U's 19 inch box. Compared with the prior art, the utility model has the advantages of with low costs, practicality are strong.
Description
Technical Field
The utility model belongs to the technical field of the electric power system technique and specifically relates to a distribution terminal full coverage area distributing type self-healing system is related to.
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.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a distribution terminal full coverage area distributing type self-healing system in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through 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.
Preferably, 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 inch box, FA integrated equipment and the protection device that is qualified for the next round of competitions of corresponding switch pass through RS485 serial interface network interface connection.
Preferably, the power panel comprises a direct current power 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 the primary switch equipment.
Preferably, the direct current power supply module group is L HE15-20B05 power supply modules.
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.
Preferably, each FA kit is connected to the power distribution terminal via a fiber optic communications network.
Preferably, 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 kit 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 kit to which the control main board belongs.
Preferably, the number of FA kits is 1-6 in a 5U 19-inch box.
Compared with the prior art, the utility model has the advantages of it is following:
the utility model relates to a FA complete equipment, one end of the equipment is connected with a corresponding switch outgoing line protection device, the other end of the equipment is connected with a plurality of power distribution terminals, one FA complete equipment can collect the data collected by the plurality of power distribution terminals, the upgrading and reconstruction of intelligent distributed feeder automation are realized in a power distribution automation coverage area by utilizing the speed with 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;
secondly, the number of FA complete sets of the utility model is the same as the number of switch outgoing line protection devices to be connected, 1-6 FA complete sets can be placed in a 5U 19-inch box, thus saving space, being convenient for carrying and installation and reducing labor cost;
thirdly, the utility model discloses a FA integrated equipment is equipped with indicating panel, and this panel includes circuit switch state pilot lamp, warning scintillation pilot lamp, and each pilot lamp is the connection control mainboard respectively for report to the police to circuit switch state and circuit anomaly and show, have audio-visual warning effect.
Drawings
Fig. 1 is a schematic diagram of an automatic processing process of an intelligent distributed feeder according to an embodiment of the present invention;
fig. 2 is a typical topology structure diagram of a dual-power hand-pulling circuit network frame in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a distributed self-healing system in an embodiment of the present invention, in which a power distribution terminal covers a full coverage area;
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 an FA kit according to an embodiment of the present invention;
fig. 6 is a schematic 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 present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall fall within the protection scope 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 utility model relates to a distribution terminal full coverage area distributing type self-healing system, this system are qualified for the next round of competitions protection device department at a plurality of switches and set up a plurality of FA integrated equipment, the utility model discloses a FA integrated equipment's number is the same with the switch protection device's that will be connected and carry out communication number of being qualified for the next round of competitions, and a plurality of FA integrated equipment can be placed in a 5U's 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.
Preferably, the power distribution main station server communicates with the first FA kit and the second FA kit respectively by adopting 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 primary switch equipment and are used for controlling the opening and closing actions of the switches through hard node signals, and the direct-current power module group adopts an L HE15-20B05 power 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 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 control main board reports the result of the judgment of the main control chip module on the acquired information data to the distribution main 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 utility model discloses a theory of operation does:
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 power distribution terminal, collects information of a switch outgoing line protection device connected with the FA complete equipment and a conventional power distribution terminal on the line, determines a fault section after comprehensive comparison, trips off primary switch equipment at two ends of the fault section, such as a circuit breaker or a load switch, completes fault isolation action, recovers power supply in a non-fault section, and reports a result to a power distribution main station server, so that the FA complete equipment can quickly realize all functions of local 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 utility model discloses a FA integrated equipment to connect the switch that corresponds with the device and be qualified for the next round of competitions protection device and a plurality of distribution terminal, and connect switchgear, a FA integrated equipment can collect a plurality of distribution terminal's data acquisition, utilize the fastest speed of minimum cost to realize the upgrading transformation of intelligent distributed feeder automation at distribution automation coverage area, each distribution terminal operation conditions of real time monitoring can, reduce the quantity at master station management distribution terminal, greatly reduced the cost. In addition, place 1 ~ 6 FA integrated equipment in a 19 inch box of 5U, can save space, conveniently carry, install, reduce the human cost.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or replacements within the technical scope of the present invention, and these modifications or replacements should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (8)
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 set of dc power modules is L HE15-20B05 power modules.
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922078326.7U CN211209379U (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 |
|---|---|---|---|
| CN201922078326.7U CN211209379U (en) | 2019-11-27 | 2019-11-27 | Distribution terminal full coverage area distributed self-healing system |
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| Publication Number | Publication Date |
|---|---|
| CN211209379U true CN211209379U (en) | 2020-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922078326.7U Active CN211209379U (en) | 2019-11-27 | 2019-11-27 | Distribution terminal full coverage area distributed self-healing system |
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| Country | Link |
|---|---|
| CN (1) | CN211209379U (en) |
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- 2019-11-27 CN CN201922078326.7U patent/CN211209379U/en active Active
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