CN211456807U - Feeder automation protection control system - Google Patents

Feeder automation protection control system Download PDF

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Publication number
CN211456807U
CN211456807U CN202020195853.6U CN202020195853U CN211456807U CN 211456807 U CN211456807 U CN 211456807U CN 202020195853 U CN202020195853 U CN 202020195853U CN 211456807 U CN211456807 U CN 211456807U
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feeder
terminal
feeder terminal
line
communication network
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CN202020195853.6U
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李玉昌
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Xinxiang Yucheng Electric Co ltd
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Xinxiang Yucheng Electric Co ltd
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    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • 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
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/16—Electric power substations

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Abstract

The utility model discloses a feeder line automatic protection control system, which comprises a first substation, a second substation, a communication main station and a feeder line terminal group; first and second substations: the output ends of the first substation and the second substation are connected with a feeder line, the feeder line is sequentially and electrically connected with a plurality of breaking circuit breakers, and the output end of the feeder line is electrically connected with a main circuit breaker; the communication master station: the communication main station is connected with the feeder line through a first communication network, the second communication network of the communication main station is connected with an information processing unit, and the feeder line between the breaking circuit breaker and the main circuit breaker is respectively provided with a first fault point and a second fault point; a feeder line terminal group: the feeder terminal group comprises a first feeder terminal, a second feeder terminal, a third feeder terminal, a fourth feeder terminal, a fifth feeder terminal, a sixth feeder terminal and a seventh feeder terminal.

Description

Feeder automation protection control system
Technical Field
The utility model relates to a distribution network automation technical field specifically is a feeder automation protection control system.
Background
In the distribution network of the developed industrial country, the equipments such as column switch, sectionalizer, recloser, uncompensated compensation capacitor, etc. installed on the outdoor feeder line are widely adopted to reduce the floor area and investment, improve the quality, reliability and flexibility of power supply, now, the power supply departments in China increasingly adopt the equipments on the line, with the progress of modern electronic technology, people begin to research how to apply computer and communication technology to realize remote real-time monitoring, coordination and control to the equipments on the line, thus generating the feeder automation technology, several common feeder automation systems at present include a main station centralized feeder automation system, a voltage type feeder automation system with time limit, an automation feeder automation system based on recloser, a watchdog circuit breaker mode feeder automation system, a fault indicator mode system, etc., however, the above several feeder automation methods have obvious disadvantages, such as long fault isolation time, need of power failure of the whole line, even need of multiple reclosing to remove the fault, or manual inspection to troubleshoot the fault area, which affects the reliability and quality of power supply.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to overcome current defect, provide a feeder automation protection control system, simple structure, can conveniently carry out feeder trouble, reliability height, can effectively solve the problem in the background art.
In order to achieve the above object, the utility model provides a following technical scheme: a feeder line automatic protection control system comprises a first substation, a second substation, a communication master station and a feeder line terminal group;
first and second substations: the output ends of the first substation and the second substation are connected with a feeder line, the feeder line is sequentially and electrically connected with a plurality of breaking circuit breakers, and the output end of the feeder line is electrically connected with a main circuit breaker;
the communication master station: the communication master station is connected with the feeder line through a first communication network, the second communication network of the communication master station is connected with an information processing unit, and the feeder line between the breaker circuit breaker and the main circuit breaker is respectively provided with a first fault point and a second fault point;
a feeder line terminal group: the feeder terminal group comprises a first feeder terminal, a second feeder terminal, a third feeder terminal, a fourth feeder terminal, a fifth feeder terminal, a sixth feeder terminal and a seventh feeder terminal, wherein the first feeder terminal, the second feeder terminal, the third feeder terminal, the fourth feeder terminal, the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are sequentially connected among the circuit breakers, the input ends of the first feeder terminal, the second feeder terminal, the third feeder terminal and the fourth feeder terminal are connected with the output end of the first communication network, the output ends of the first feeder terminal, the second feeder terminal, the third feeder terminal and the fourth feeder terminal are connected with the input end of the feeder, the input ends of the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are connected with the output end of the second communication network, and the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are connected with the output end of the second communication network, The book-out ends of the sixth feeder terminal and the seventh feeder terminal are connected with the input end of the feeder, when the whole feeder automation system is used, the main circuit breaker is in a normally closed state, each feeder terminal of the feeder terminal group monitors the passing voltage and current in real time, when a first fault point breaks down, the third feeder terminal transmits signals to the information processing unit, the information processing unit analyzes and processes the voltage and current information of the whole circuit, the information processing unit transmits the signals to the third feeder terminal, the third feeder terminal controls the corresponding breaker to be disconnected, so that the first fault point is more convenient to maintain, when a second fault point breaks down, the seventh feeder terminal transmits the signals to the information processing unit, the information processing unit transmits the signals to the seventh feeder terminal, and the seventh feeder terminal controls the corresponding breaker to be disconnected The feeder line fault is conveniently carried out, the fault isolation time is shortened, the power supply quality is improved, the information interaction is carried out on the feeder line, the information processing unit and the adjacent feeder line terminal group, the zero-time power failure function of a non-fault area is realized, the feeder line fault can be conveniently carried out, and the reliability is high.
Furthermore, the information processing unit comprises a wireless signal receiver, a signal processor and a wireless signal transmitter, the output end of the second communication network is electrically connected with the input end of the wireless signal receiver, the input end of the wireless signal receiver is electrically connected with the input end of the signal processor through the second communication network, the output end of the signal processor is electrically connected with the input end of the wireless signal transmitter through the second communication network, the wireless signal receiver receives data information fed back by each feeder terminal of the feeder terminal group through a wireless signal and transmits the information to the signal processor, the information processor analyzes and processes the information fed back by each feeder terminal and transmits the information to each feeder terminal through the wireless signal transmitter, the trouble of manually inspecting and troubleshooting fault areas is avoided through the information processing unit, and the time of troubleshooting is shortened, the working efficiency is improved.
The feeder terminal group comprises feeder terminals, and is characterized by further comprising a display panel, an input port and an output port, wherein each feeder terminal of the feeder terminal group is provided with the display panel, the bottom side of the left end of each feeder terminal of the feeder terminal group is provided with the input port, the bottom side of the right end of each feeder terminal of the feeder terminal group is provided with the output port, the display panel is used for monitoring voltage and current among feeders in real time, and the input port and the output port are used for installing each feeder terminal.
Furthermore, the feed line terminal structure further comprises a polyimide resin plate, the polyimide resin plate is arranged between the inner wall and the outer wall of each feed line terminal of the feed line terminal group, and the polyimide resin plate has high temperature resistance, excellent flame retardance, water resistance and excellent insulativity, can effectively reduce the phenomenon that each feed line terminal is spontaneously combusted due to overlarge current or voltage, and is high in safety.
Compared with the prior art, the beneficial effects of the utility model are that: the feeder automation protection control system has the following advantages:
1. when the whole feeder automation system is used, the main circuit breaker is in a normally closed state, each feeder terminal of the feeder terminal group monitors the passing voltage and current in real time, when the first fault point has a fault, the third feeder terminal transmits a signal to the information processing unit, the information processing unit analyzes and processes the voltage and current information of the whole circuit, the information processing unit transmits the signal to the third feeder terminal, the third feeder terminal controls the corresponding breaker to be disconnected, therefore, the first fault point can be maintained more conveniently, when the second fault point has a fault, the seventh feeder terminal transmits the signal to the information processing unit, the information processing unit transmits the signal to the seventh feeder terminal, and the seventh feeder terminal controls the corresponding breaker to be disconnected.
2. By carrying out information interaction on the feeder line, the information processing unit and the adjacent feeder line terminal group, the zero-time power failure function of a non-failure area is realized, the feeder line failure can be conveniently carried out, and the reliability is high.
3. The wireless signal receiver receives data information fed back by each feeder terminal of the feeder terminal group through the wireless signal and transmits the information to the signal processor, the information processor analyzes and processes the information fed back by each feeder terminal and transmits the information to each feeder terminal through the wireless signal transmitter, the trouble of manually inspecting and troubleshooting a fault area is avoided through the information processing unit, troubleshooting time is shortened, and working efficiency is improved.
Drawings
FIG. 1 is a schematic diagram of the system connection structure of the present invention;
fig. 2 is the utility model discloses feeder terminal structure schematic diagram.
In the figure: the system comprises a communication main station 1, a first communication network 2, a second communication network 3, an information processing unit 4, a wireless signal receiver 41, a signal processor 42, a wireless signal transmitter 43, a first substation 5, a second substation 6, a feeder terminal group 7, a first feeder terminal 71, a second feeder terminal 72, a third feeder terminal 73, a fourth feeder terminal 74, a fifth feeder terminal 75, a sixth feeder terminal 76, a seventh feeder terminal 77, a feeder 8, a circuit breaker 9, a first fault point 10, a second fault point 11, a main circuit breaker 12, a display panel 13, an input port 14, an output port 15 and a polyimide resin plate 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the present invention provides a technical solution: a feeder line automatic protection control system comprises a first substation 5, a second substation 6, a communication main station 1 and a feeder line terminal group 7;
first and second substations 5 and 6: the output ends of the first substation 5 and the second substation 6 are connected with a feeder line 8, the feeder line 8 is electrically connected with a plurality of breaking circuit breakers 9 in sequence, and the output end of the feeder line 8 is electrically connected with a main circuit breaker 12;
the communication master station 1: the communication master station 1 is connected with a feeder line 8 through a first communication network 2, an information processing unit 4 is connected on a second communication network 3 of the communication master station 1, a first fault point 10 and a second fault point 11 are respectively arranged on the feeder line 8 between a breaker circuit breaker 9 and a main circuit breaker 12, the information processing unit 4 comprises a wireless signal receiver 41, a signal processor 42 and a wireless signal transmitter 43, an output end of the second communication network 3 is electrically connected with an input end of the wireless signal receiver 41, an input end of the wireless signal receiver 41 is electrically connected with an input end of the signal processor 42 through the second communication network 3, an output end of the signal processor 42 is electrically connected with an input end of the wireless signal transmitter 43 through the second communication network 3, the wireless signal receiver 41 receives data information fed back by each feeder line terminal of the feeder line terminal group 7 through a wireless signal and transmits the information to the signal processor 42, the information processor 42 analyzes and processes the information fed back by each feeder terminal and transmits the information to each feeder terminal through the wireless signal transmitter 43, the trouble of manually inspecting and troubleshooting fault areas is avoided through the information processing unit 4, the troubleshooting time is shortened, and the working efficiency is improved;
feeder terminal group 7: the feeder terminal group 7 comprises a first feeder terminal 71, a second feeder terminal 72, a third feeder terminal 73, a fourth feeder terminal 74, a fifth feeder terminal 75, a sixth feeder terminal 76 and a seventh feeder terminal 77, the first feeder terminal 71, the second feeder terminal 72, the third feeder terminal 73, the fourth feeder terminal 74, the fifth feeder terminal 75, the sixth feeder terminal 76 and the seventh feeder terminal 77 are connected in sequence between the circuit breakers, and the input terminals of the first feeder terminal 71, the second feeder terminal 72, the third feeder terminal 73 and the fourth feeder terminal 74 are connected with the output terminal of the first communication network 2, and the output terminals of the first feeder terminal 71, the second feeder terminal 72, the third feeder terminal 73 and the fourth feeder terminal 74 are connected with the input terminal of the feeder line 8, the input terminals of the fifth feeder terminal 75, the sixth feeder terminal 76 and the seventh feeder terminal 77 are connected with the output terminal of the second communication network 3, the book-out ends of the fifth feeder terminal 75, the sixth feeder terminal 76 and the seventh feeder terminal 77 are connected with the input end of the feeder line 8, when the whole feeder automation system is in use, the main breaker 12 is in a normally closed state, each feeder terminal of the feeder terminal group 7 monitors the passing voltage and current in real time, when a first fault point 10 is in fault, the third feeder terminal 73 transmits signals to the information processing unit 4, the information processing unit 4 analyzes and processes the voltage and current information of the whole circuit, the information processing unit 4 transmits the signals to the third feeder terminal 73, the third feeder terminal 73 controls the corresponding breaker 9 to be opened, so that the first fault point 10 is more conveniently maintained, when a second fault point 11 is in fault, the seventh feeder terminal 77 transmits the signals to the information processing unit 4, the information processing unit 4 transmits the signals to the seventh feeder terminal 77, the seventh feeder terminal 77 controls the corresponding breaker 9 to be disconnected, the structure is simple, the feeder fault is conveniently carried out, the fault isolation time is shortened, the power supply quality is improved, the zero-time power failure function in a non-fault area is realized by carrying out information interaction on the feeder line 8, the information processing unit 4 and the adjacent feeder terminal group 7, the feeder fault can be conveniently carried out, the reliability is high, the feeder fault isolation device also comprises a display panel 13, an input port 14 and an output port 15, a display panel 13 is arranged on each feeder terminal of the feeder terminal group 7, the input port 14 is arranged on the bottom side of the left end of each feeder terminal of the feeder terminal group 7, the output port 15 is arranged on the bottom side of the right end of each feeder terminal of the feeder terminal group 7, the display panel 13 is used for monitoring the voltage and the current between the feeder lines 8 in real time, and the input port 14 and the output port 15, the feed line terminal is characterized by further comprising a polyimide resin plate 16, the polyimide resin plate 16 is arranged between the inner wall and the outer wall of each feed line terminal of the feed line terminal group 7, the polyimide resin plate 16 has high temperature resistance, excellent flame retardance, water resistance and excellent insulativity, the phenomenon that each feed line terminal is spontaneously combusted due to overlarge current or voltage can be effectively reduced, and safety is high.
When in use: when the whole feeder automation system is used, the main circuit breaker 12 is in a normally closed state, each feeder terminal of the feeder terminal group 7 monitors the passing voltage and current in real time, when a first fault point 10 has a fault, the third feeder terminal 73 transmits a signal to the information processing unit 4, the information processing unit 4 analyzes and processes the voltage and current information of the whole circuit, the information processing unit 4 transmits the signal to the third feeder terminal 73, the third feeder terminal 73 controls the corresponding breaking circuit 9 to be disconnected, so that the first fault point 10 is more convenient to maintain, when a second fault point 11 has a fault, the seventh feeder terminal 77 transmits the signal to the information processing unit 4, the information processing unit 4 transmits the signal to the seventh feeder terminal 77, the seventh feeder terminal 77 controls the corresponding breaking circuit 9 to be disconnected, the structure is simple, the feeder fault isolation time is shortened conveniently due to the feeder fault, thereby improving the power supply quality, realizing the zero-time power failure function in a non-failure area by performing information interaction on the feeder line 8, the information processing unit 4 and the adjacent feeder line terminal group 7, conveniently performing feeder line failure, having high reliability, receiving data information fed back by each feeder line terminal of the feeder line terminal group 7 by the wireless signal receiver 41 and transmitting the information to the signal processor 42, analyzing and processing the information fed back by each feeder line terminal by the information processor 42 and transmitting the information to each feeder line terminal by the wireless signal transmitter 43, avoiding the trouble of manually inspecting and troubleshooting the failure area by the information processing unit 4, shortening the troubleshooting time, improving the working efficiency, monitoring the voltage and current between the feeder lines 8 in real time by the display panel 13, installing the input port 14 and the output port 15 for each feeder line terminal, the polyimide resin plate 16 has high temperature resistance, excellent flame retardance, water resistance and excellent insulativity, can effectively reduce the phenomenon that each feeder line terminal is spontaneously combusted due to overlarge current or voltage, and is high in safety.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. A feeder automation protection control system characterized in that: the system comprises a first substation, a second substation, a communication master station and a feeder line terminal group;
first and second substations: the output ends of the first substation and the second substation are connected with a feeder line, the feeder line is sequentially and electrically connected with a plurality of breaking circuit breakers, and the output end of the feeder line is electrically connected with a main circuit breaker;
the communication master station: the communication master station is connected with the feeder line through a first communication network, the second communication network of the communication master station is connected with an information processing unit, and the feeder line between the breaker circuit breaker and the main circuit breaker is respectively provided with a first fault point and a second fault point;
a feeder line terminal group: the feeder terminal group comprises a first feeder terminal, a second feeder terminal, a third feeder terminal, a fourth feeder terminal, a fifth feeder terminal, a sixth feeder terminal and a seventh feeder terminal, wherein the first feeder terminal, the second feeder terminal, the third feeder terminal, the fourth feeder terminal, the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are sequentially connected among the circuit breakers, the input ends of the first feeder terminal, the second feeder terminal, the third feeder terminal and the fourth feeder terminal are connected with the output end of the first communication network, the output ends of the first feeder terminal, the second feeder terminal, the third feeder terminal and the fourth feeder terminal are connected with the input end of the feeder, the input ends of the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are connected with the output end of the second communication network, and the fifth feeder terminal, the sixth feeder terminal and the seventh feeder terminal are connected with the output end of the second communication network, The book outlet ends of the sixth feeder terminal and the seventh feeder terminal are connected with the input end of the feeder.
2. The feeder automation protection control system of claim 1, wherein: the information processing unit comprises a wireless signal receiver, a signal processor and a wireless signal transmitter, wherein the output end of the second communication network is electrically connected with the input end of the wireless signal receiver, the input end of the wireless signal receiver is electrically connected with the input end of the signal processor through the second communication network, and the output end of the signal processor is electrically connected with the input end of the wireless signal transmitter through the second communication network.
3. The feeder automation protection control system of claim 1, wherein: the feeder terminal group comprises feeder terminals, and is characterized by further comprising a display panel, an input port and an output port, wherein each feeder terminal of the feeder terminal group is provided with the display panel, the bottom side of the left end of each feeder terminal of the feeder terminal group is provided with the input port, and the bottom side of the right end of each feeder terminal of the feeder terminal group is provided with the output port.
4. The feeder automation protection control system of claim 1, wherein: the feeder line terminal group is characterized by further comprising a polyimide resin plate, wherein the polyimide resin plate is arranged between the inner wall and the outer wall of each feeder line terminal of the feeder line terminal group.
CN202020195853.6U 2020-02-23 2020-02-23 Feeder automation protection control system Active CN211456807U (en)

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Application Number Priority Date Filing Date Title
CN202020195853.6U CN211456807U (en) 2020-02-23 2020-02-23 Feeder automation protection control system

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Application Number Priority Date Filing Date Title
CN202020195853.6U CN211456807U (en) 2020-02-23 2020-02-23 Feeder automation protection control system

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CN211456807U true CN211456807U (en) 2020-09-08

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CN202020195853.6U Active CN211456807U (en) 2020-02-23 2020-02-23 Feeder automation protection control system

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