CN102088176A - 110 KV line microcomputer protection reclosing apparatus - Google Patents
110 KV line microcomputer protection reclosing apparatus Download PDFInfo
- Publication number
- CN102088176A CN102088176A CN200910252963XA CN200910252963A CN102088176A CN 102088176 A CN102088176 A CN 102088176A CN 200910252963X A CN200910252963X A CN 200910252963XA CN 200910252963 A CN200910252963 A CN 200910252963A CN 102088176 A CN102088176 A CN 102088176A
- Authority
- CN
- China
- Prior art keywords
- reclosing
- loop
- relay
- protection
- magnetic latching
- 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
Links
Images
Landscapes
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention discloses a 110 KV line microcomputer protection reclosing apparatus, comprising a protection reclosing loop, a non-corresponding starting reclosing loop and a magnetic latching relay, wherein a first contact of the magnetic latching relay is connected with the non-corresponding starting reclosing loop; a second contact of the magnetic latching relay is connected with a locking reclosing loop of the protection reclosing loop; and two coils of the magnetic latching relay are respectively in parallel connection with the two ends of a hand-operated closing relay coil and a hand-operated tripping relay coil which are in the protection reclosing loop. The apparatus of the invention can completely avoid the problem that line protection leads to the misoperation of a reclosing in the process of controlling the recovery of loop broken lines. Besides, the apparatus of the invention can substantially raise the power supply reliability of an electrical network and power supply reliability for users, ensure the organic connection within the electrical network and maintain the economic benefit and social benefit of enterprise.
Description
Technical field
The present invention relates to the Microcomputer Protection reclosing device in the electric power system, relate in particular to 110KV circuit Microcomputer Protection reclosing device.
Background technology
At present, constantly perfect along with the deepening continuously of power system reform, electrical network, electric power system is more and more higher to the requirement of relaying protection and automatic safety device reliability, and power consumer is also more and more stricter to the safe and reliable power reguirements of electric power enterprise.For adapting to the development of electric power enterprise, relaying protection and automatic safety device must stable, reliable in action.In route protection, the introducing and the realization of Microcomputer Protection reclosing function can in time be closed a floodgate the switch secondary after " steal and jump " takes place for circuit generation transient fault or switch, have strengthened the ability that transmission line restores electricity fast.But for some reason, still there is the part defective in protective relaying device.Just find that there is the false switching problem in the circuit Microcomputer Protection reclosing device that present 110KV combines from the station aborning.In integrated automation converting station, 110KV circuit as shown in Figure 1 can cause malfunction owing to do not have control handle, not corresponding startup reclosing to only depend on the node TWJ-6 of TWJ to start in the control loop broken string recovery process.This false switching not only can influence the safety of electrical network and to user's reliable power supply, and diminishes economic benefit of enterprises and social benefit.
Summary of the invention
The purpose of this invention is to provide that a kind of reclosing is reliable, the 110KV circuit Microcomputer Protection reclosing device of good stability.
The present invention adopts following technical proposals: a kind of 110KV circuit Microcomputer Protection reclosing device; comprise protection reclosing loop and not corresponding startup reclosing loop; also comprise a magnetic latching relay; first contact of described magnetic latching relay is connected in the not corresponding startup reclosing loop; second contact of described magnetic latching relay is connected in the locking reclosing loop in the protection reclosing loop, and two coils of described magnetic latching relay are connected in parallel on the two ends of closing by hand relay coil and hand trip(ping) relay coil in the protection reclosing loop respectively.
The present invention increases relay in the reclosing loop, seal in the node of relay, this relay is a magnetic latching relay, do not change previous status after the dead electricity, the nodes of locations that has well replaced control handle, can avoid fully protecting in the process that the control loop broken string recovers, cause the situation of reclosing malfunction; Simplicity of design of the present invention is reliable, has satisfied the requirement of relaying protection reliable in action, and meets the designing requirement of State Grid Corporation of China for relay protection wiring; The present invention has not only improved the power supply reliability of electrical network and the reliability that the user is powered greatly, has guaranteed the organic connections of electrical network inside, and can keep economic benefit of enterprises and social benefit.
Description of drawings
Fig. 1 is a prior art principle wiring schematic diagram of the present invention;
Fig. 2 is a principle wiring schematic diagram of the present invention;
Fig. 3 is the relay coil connection layout in the invention.
Embodiment
As Fig. 2, shown in Figure 3, the present invention adds in the protection reclosing loop of 110KV circuit and closes back relay HHJ.Closing back relay HHJ is magnetic latching relay, and two coil HHJ1 and HHJ2 are arranged.As shown in Figure 3, coil SHJ1 two ends that the coil HHJ1 of relay HHJ and HHJ2 are connected in parallel on closing by hand relay SHJ respectively after closing and the coil STJ1 two ends of hand trip(ping) relay STJ, be to close back relay HHJ and only be used in hand and close to jump under two kinds of situations and move with hand in order to allow, utilize its magnetic retention performance, the relay node state does not change under the dead electricity situation.As shown in Figure 2, the first contact HHJ-1 that closes back relay HHJ is connected in the not corresponding startup reclosing loop, and the second contact HHJ-2 of relay HHJ is connected in parallel in the locking reclosing loop, and short circuit A, B node.
As Fig. 2, shown in Figure 3, in not corresponding startup reclosing loop, when hand was jumped, promptly switch was when stand-by state, and hand trip(ping) relay coil STJ1 moves, the node STJ-1 closure of hand trip(ping) relay STJ, close the coil HHJ1 action of back relay HHJ, the node HHJ-2 closure of closing back relay HHJ, locking reclosing loop is connected, reclosing can not be charged, avoid malfunction; Hand closes the first contact HHJ-1 of back relay at open position when jumping, in control loop broken string recovery process, because the first contact HHJ-1 is at open position, then not corresponding startup reclosing loop can not start, and promptly can not cause malfunction.When closing when making switch at run location through receiving and distributing, closing by hand relay SHJ action, close back relay HHJ action, the first contact HHJ-1 that closes back relay HHJ is in make position, the second contact HHJ-2 is at open position, this moment not corresponding startup reclosing loop operate as normal, the not locking of locking reclosing, when line failure need start reclosing, the reclosing function was realized in the closed reclosing loop of linking up of TWJ6 node.
Claims (1)
1. 110KV circuit Microcomputer Protection reclosing device; comprise protection reclosing loop and not corresponding startup reclosing loop; it is characterized in that: also comprise a magnetic latching relay; first contact of described magnetic latching relay is connected in the not corresponding startup reclosing loop; second contact of described magnetic latching relay is connected in the locking reclosing loop in the protection reclosing loop, and two coils of described magnetic latching relay are connected in parallel on the two ends of closing by hand relay coil and hand trip(ping) relay coil in the protection reclosing loop respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252963XA CN102088176A (en) | 2009-12-07 | 2009-12-07 | 110 KV line microcomputer protection reclosing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910252963XA CN102088176A (en) | 2009-12-07 | 2009-12-07 | 110 KV line microcomputer protection reclosing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102088176A true CN102088176A (en) | 2011-06-08 |
Family
ID=44099848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910252963XA Pending CN102088176A (en) | 2009-12-07 | 2009-12-07 | 110 KV line microcomputer protection reclosing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102088176A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114024293A (en) * | 2021-09-23 | 2022-02-08 | 广东核电合营有限公司 | Nuclear power station transmission line tripping processing system and method and storage medium |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845262Y (en) * | 2005-11-17 | 2006-12-06 | 北京四方继保自动化股份有限公司 | Break-off recognizing circuit of circuit breaker |
| CN201562946U (en) * | 2009-12-07 | 2010-08-25 | 河南省电力公司许昌供电公司 | Protective reclosing device of 110kV line microcomputer |
-
2009
- 2009-12-07 CN CN200910252963XA patent/CN102088176A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2845262Y (en) * | 2005-11-17 | 2006-12-06 | 北京四方继保自动化股份有限公司 | Break-off recognizing circuit of circuit breaker |
| CN201562946U (en) * | 2009-12-07 | 2010-08-25 | 河南省电力公司许昌供电公司 | Protective reclosing device of 110kV line microcomputer |
Non-Patent Citations (2)
| Title |
|---|
| 刘军 等: "110kV系统断路器控制回路断线引起重合闸不正常动作原因分析及改进措施探讨", 《继电器》 * |
| 钟著辉: "微机保护重合闸控制回路的改进", 《湖南电力》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114024293A (en) * | 2021-09-23 | 2022-02-08 | 广东核电合营有限公司 | Nuclear power station transmission line tripping processing system and method and storage medium |
| CN114024293B (en) * | 2021-09-23 | 2024-01-26 | 广东核电合营有限公司 | Nuclear power station transmission line tripping processing system, method and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103022994B (en) | Method for achieving fault isolation and recovery of power distribution network with permeability distribution type power supply | |
| CN104852366B (en) | The direct-flow distribution system short trouble guard method of the current limiter containing resistive superconducting | |
| US10951034B2 (en) | Protection for an HVDC network | |
| CN204928105U (en) | Power distribution terminal device with trip protections function of preventing bypassing immediate leadership | |
| CN103825363B (en) | A kind of wind-light storage low pressure micro-capacitance sensor group protection coordination controller | |
| Mitra et al. | Comparative analysis of hybrid DC breaker and assembly HVDC breaker | |
| CN103560512A (en) | High-reliability closed loop wiring method of medium voltage distribution network | |
| CN202102997U (en) | Intelligent circuit breaker for solar cell module string | |
| CN201562946U (en) | Protective reclosing device of 110kV line microcomputer | |
| CN202363976U (en) | Transformer substation comprehensive automatic breaker control loop with burning-out proof function | |
| CN202712819U (en) | Protection system capable of realizing breaker failure triggering relevant trips of interconnecting transformer | |
| CN203352192U (en) | Direct current switch device | |
| CN201160223Y (en) | Multi-ring website system | |
| CN102867712A (en) | Breaker for solar cell component string and protecting method | |
| CN202206035U (en) | GIS (gas insulation switch) anti-tripping circuit integrated device | |
| CN102088176A (en) | 110 KV line microcomputer protection reclosing apparatus | |
| CN202111098U (en) | Circuit breaker for solar module string | |
| CN201549865U (en) | 10-35KV circuit microcomputer protection reclosing device | |
| CN102497010A (en) | Method and system for switching microgrid from grid-connected mode to island mode | |
| CN202260396U (en) | Non-electric protection equipment for converter transformer | |
| CN101728773A (en) | Full-adaptive high-voltage switch controller based on light-coupled control | |
| CN103337903A (en) | Three-incoming-line and two-bus-coupler power supply system | |
| CN203014344U (en) | Non-electricity protection system of converter transformer or smoothing reactor | |
| CN109687407B (en) | The reversed blocking device and implementation method of one or two fusion serial column load switch | |
| CN102693884A (en) | Special molded case circuit breaker for prepayment electric energy meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110608 |