CN108287305A - A kind of high voltage circuit breaker closing control loop breakdown judge lookup method - Google Patents
A kind of high voltage circuit breaker closing control loop breakdown judge lookup method Download PDFInfo
- Publication number
- CN108287305A CN108287305A CN201810056105.7A CN201810056105A CN108287305A CN 108287305 A CN108287305 A CN 108287305A CN 201810056105 A CN201810056105 A CN 201810056105A CN 108287305 A CN108287305 A CN 108287305A
- Authority
- CN
- China
- Prior art keywords
- closing
- control loop
- failure
- protecting device
- check
- 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
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3275—Fault detection or status indication
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The present invention relates to a kind of high voltage circuit breaker closing control loop breakdown judge lookup method, first determine whether that the type of shutting-brake control loop failure, differentiation are that electric loop failure or mechanical circuit failure, checking step are as follows：(1) check whether DC power supply and voltage are normal; (2) check that jumping position monitors whether HG green lights are bright; (3) universal change-over switch SA connection circuits are checked; (4) microcomputer protecting device internal fault is checked; if (1) (3) check no abnormal; then it is determined as microcomputer protecting device internal fault, the operation panel (I/O plug-in units) that need to be repaired or more renew further checks and confirms.The quick judgement of the closing circuit of circuit breaker failure, search operation method, it is easy to operate, solve field device practical problem, trouble shoot efficiency is improved, equipment fault power off time is reduced, energy unit economic loss is reduced, improves the reliability of power supply.
Description
Technical field
The present invention relates to breaker technical fields, and in particular to a kind of high voltage circuit breaker closing control loop breakdown judge is looked into
Look for method.
Background technology
Breaker is very important power supply unit in electric system, and can circuit breaker failure quickly handle, restore electricity,
Be related to the stabilization of electric system with it is reliable.In recent years, as Microcomputer Protection technology is extensive in secondary loop of breaker
Also show some new features using, breaker closing control loop failure, trouble shoot, processing method also with usual
The shutting-brake control loop of rule protection is not quite similar.Because lookup method is improper, search efficiency is low, causes power off time long, influences to use
Energy unit safety and stability produces.Therefore, it summarizes to the failure of high voltage circuit breaker closing control loop, finds out a kind of fast quick checking
The method for looking for shutting-brake control loop failure is our high-tension electricity support personnel's urgent problems.
Invention content
To overcome the deficiency, it is an object of the invention to carry a kind of high voltage circuit breaker closing control loop breakdown judge to look into
Method is looked for, trouble shoot efficiency is improved, reduces equipment fault power off time, reduces energy unit economic loss.It improves
The reliability of power supply.
The technical solution adopted by the present invention to solve the technical problems is：A kind of high voltage circuit breaker closing control loop failure
Judge lookup method, when trouble shoot, should first determine whether the type of shutting-brake control loop failure, differentiation be electric loop failure also
It is mechanical circuit failure, after excluding mechanical circuit failure, electric loop failure is searched, when combined floodgate power transmission operates, if closes
Brake cable circle must not electricity, switching electromagnet cannot be normally attracted, then be electric loop failure, steps are as follows for particular exam：
(1) check whether DC power supply and voltage are normal
Closing operation supply voltage should be not less than 85% rated voltage, and operating voltage is less than the voltage value, then cannot be at
Work(closes a floodgate, and in Microcomputer Protection type shutting-brake control loop, the probability of failure is relatively low；
(2) check that jumping position monitors whether HG green lights are bright
If jumping position monitoring HG green lights on microcomputer protecting device panel not working, on panel and show that " control loop template " is reported
It is alert, it need to check the peripheral cell and loop fault of microcomputer protecting device, investigate the peripheral cell circuit of microcomputer protecting device one by one；
Specifically, the inspection in the peripheral cell circuit, emphasis check whether breaker operating position normal opened contact S9 closes
Close, whether the normally closed point QF of auxiliary of breaker communicates, spring energy-storage normal opened contact S1 whether be closed (spring storage it is full can when S1 close
Close), whether closing coil HQ resistance is normal, if broken string etc. is burnt out, checks whether above each element link circuit is normal,
In, whether normal opened contact S9, which is closed, to be confirmed by off state comprehensive indicatior.
(3) universal change-over switch SA connection circuits are checked
If jumping position on microcomputer protecting device panel monitors HG green lights, checks universal change-over switch SA connection circuits, check
The inside associated contacts and connection circuit of SA have without exception, and whether the closing operating time of SA is grasped suitably, and when operation cannot be too
Soon, generally in 1~2s or so, whether closing operation mode correct, closing operation mode and SA nearby, remote location whether phase
It is corresponding etc.；
(4) microcomputer protecting device internal fault is checked
If (1)-(3) inspection is no abnormal, it is determined as microcomputer protecting device internal fault, need to repairs or more renew
Operation panel (I/O plug-in units), further check confirm.
Specifically, when breaker closing power transmission, though closing coil energized action sometimes, because closing coil is frequently grasped in short-term
The reasons such as work so that combined floodgate electromagnetic coil generates heat, and resistance increases, and causes switching electromagnet to be attracted dynamics deficiency, at this moment can not
Success is closed a floodgate, and new electromagnetic coil is needed replacing.This kind of special case will be separated with mechanical faulty section.
Specifically, combined floodgate power transmission moment, closing coil obtain electric, and switching electromagnet is attracted, and when breaker closing is unsuccessful,
Direct current operative power source should be cut off immediately, and otherwise, the time is slightly long, and closing coil HQ will be burnt.This is because closing coil be by
Short time is powered design, because breaker closing is unsuccessful, the normally closed point of auxiliary of breaker cannot timely deenergization, conjunction will be made
Brake cable circle always it is electric, until burn out.
The invention has the advantages that：The quick judgement of the closing circuit of circuit breaker failure, search operation method, operation
Simply, it solves field device practical problem, improves trouble shoot efficiency, reduce equipment fault power off time, reduce and use
Energy unit economic loss improves the reliability of power supply.By to the analysis of substation breakers closing circuit fault statistics, ratio
Compared with, trouble shooting time substantially reduces, and trouble shooting time shorten to average out to 15 minutes by original average out to 37 minutes,
As shown in table 1, power supply that is safe, high-quality, stablizing is provided for hot line production, achieves good normal operation achievement
Effect, social benefit are notable.
1 breaker closing control loop fault statistics table of table
Description of the drawings
Fig. 1 is mesohigh breaker closing control loop electric hookup of the embodiment of the present invention.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.
A kind of high voltage circuit breaker closing control loop breakdown judge lookup method according to figure 1 when trouble shoot, is answered
It first determines whether that the type of shutting-brake control loop failure, differentiation are electric loop failure or mechanical circuit failure, excludes machinery and return
After the failure of road, electric loop failure is searched, combined floodgate power transmission operate when, if closing coil must not electricity, switching electromagnet not
It can normally be attracted, then be electric loop failure, if Fig. 1 is the electrical of the high voltage circuit breaker closing control loop as described in this maneuver
Wiring diagram (by the common handcart type vacuum circuit breaker of current substation with for spring operating mechanism), checking step is as follows：
(1) check whether DC power supply and voltage are normal
Closing operation supply voltage should be not less than 85% rated voltage, about 185V or so, and operating voltage is less than the electricity
Pressure value then cannot successfully close a floodgate, and in Microcomputer Protection type shutting-brake control loop, the probability of failure is relatively low；
(2) check that jumping position monitors whether HG green lights are bright
If jumping position monitoring HG green lights on microcomputer protecting device panel not working, on panel and show that " control loop template " is reported
It is alert, it need to check the peripheral cell and loop fault of microcomputer protecting device, see in Fig. 1 in dotted line frame；Investigation Microcomputer Protection dress one by one
The peripheral cell circuit set, i.e. emphasis check whether breaker operating position normal opened contact S9 is closed, the auxiliary of breaker is normally closed
Whether point QF communicates, whether spring energy-storage normal opened contact S1 is closed (S1 is closed when spring stores up full energy), and closing coil HQ resistance is
It is no normal, if to burn out broken string etc., check whether above each element link circuit is normal；
Wherein, whether normal opened contact S9, which is closed, to be confirmed by off state comprehensive indicatior.
(3) universal change-over switch SA connection circuits are checked
If jumping position on microcomputer protecting device panel monitors HG green lights, checks universal change-over switch SA connection circuits, check
The inside associated contacts and connection circuit of SA have without exception, and whether the closing operating time of SA is grasped suitably, and when operation cannot be too
Soon, generally in 1~2s or so, whether closing operation mode correct, closing operation mode and SA nearby, remote location whether phase
It is corresponding etc.；
(5) microcomputer protecting device internal fault is checked
If (1)-(3) inspection is no abnormal, it is determined as microcomputer protecting device internal fault, need to repairs or more renew
Operation panel (I/O plug-in units), further check confirm.
Specifically, when breaker closing power transmission, though closing coil energized action sometimes, because closing coil is frequently grasped in short-term
The reasons such as work so that combined floodgate electromagnetic coil generates heat, and resistance increases, and causes switching electromagnet to be attracted dynamics deficiency, at this moment can not
Success is closed a floodgate, and new electromagnetic coil is needed replacing.This kind of special case will be separated with mechanical faulty section.
Specifically, combined floodgate power transmission moment, closing coil obtain electric, and switching electromagnet is attracted, and when breaker closing is unsuccessful,
Direct current operative power source should be cut off immediately, and otherwise, the time is slightly long, and closing coil HQ will be burnt.This is because closing coil be by
Short time is powered design, because breaker closing is unsuccessful, the normally closed point of auxiliary of breaker cannot timely deenergization, conjunction will be made
Brake cable circle always it is electric, until burn out.
The present invention is not limited to the embodiment, anyone should learn that the structure made under the inspiration of the present invention becomes
Change, the technical schemes that are same or similar to the present invention are each fallen within protection scope of the present invention.
Technology that the present invention is not described in detail, shape, construction part are known technology.
Claims (4)
1. a kind of high voltage circuit breaker closing control loop breakdown judge lookup method, first determines whether the class of shutting-brake control loop failure
Type, differentiation are that electric loop failure or mechanical circuit failure look into electric loop failure after excluding mechanical circuit failure
It looks for, it is characterised in that：Combined floodgate power transmission operate when, if closing coil must not electricity, switching electromagnet cannot be normally attracted, be electrical
Loop fault, checking step are as follows：
(1) check whether DC power supply and voltage are normal
Closing operation supply voltage should be not less than 85% rated voltage, and operating voltage is less than the voltage value, then cannot successfully close
Lock, in Microcomputer Protection type shutting-brake control loop, the probability of failure is relatively low；
(2) check that jumping position monitors whether HG green lights are bright
If jumping position monitoring HG green lights on microcomputer protecting device panel not working, on panel and shows that " control loop template " alarms, need
It checks the peripheral cell and loop fault of microcomputer protecting device, investigates the peripheral cell circuit of microcomputer protecting device one by one；
(3) universal change-over switch SA connection circuits are checked
If jumping position on microcomputer protecting device panel monitors HG green lights, checks universal change-over switch SA connection circuits, check SA's
Internal associated contacts and connection circuit have without exception, and whether the closing operating time of SA is grasped suitably, and when operation cannot be too fast, and one
As in 1~2s or so, whether closing operation mode correct, closing operation mode and SA nearby, remote location it is whether corresponding
Etc.；
(4) microcomputer protecting device internal fault is checked
If (1)-(3) inspection is no abnormal, it is determined as microcomputer protecting device internal fault, the behaviour that need to be repaired or more renew
Make plate (I/O plug-in units), further checks and confirm.
2. a kind of high voltage circuit breaker closing control loop breakdown judge lookup method according to claim 1, feature exist
In：The inspection in the peripheral cell circuit, emphasis check breaker operating position normal opened contact S9 whether be closed, breaker it is auxiliary
Help whether normally closed point QF communicates, whether spring energy-storage normal opened contact S1 is closed, whether closing coil HQ resistance is normal, if burns out
Broken string, wherein whether normal opened contact S9, which is closed, to be confirmed by off state comprehensive indicatior.
3. a kind of high voltage circuit breaker closing control loop breakdown judge lookup method according to claim 1, feature exist
In：When breaker closing power transmission, though closing coil energized action sometimes makes because of closing coil reasons such as frequent operation in short-term
The fever of combined floodgate electromagnetic coil is obtained, resistance increases, and causes switching electromagnet to be attracted dynamics deficiency, at this moment can not successfully close a floodgate, need to
The electromagnetic coil more to renew.
4. a kind of high voltage circuit breaker closing control loop breakdown judge lookup method according to claim 1, feature exist
In：Combined floodgate power transmission moment, closing coil obtain electric, and switching electromagnet is attracted, and when breaker closing is unsuccessful, it should cut off immediately straight
Operation power is flowed, otherwise, the time is slightly long, and closing coil HQ will be burnt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056105.7A CN108287305A (en) | 2018-01-20 | 2018-01-20 | A kind of high voltage circuit breaker closing control loop breakdown judge lookup method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810056105.7A CN108287305A (en) | 2018-01-20 | 2018-01-20 | A kind of high voltage circuit breaker closing control loop breakdown judge lookup method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108287305A true CN108287305A (en) | 2018-07-17 |
Family
ID=62835407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810056105.7A Pending CN108287305A (en) | 2018-01-20 | 2018-01-20 | A kind of high voltage circuit breaker closing control loop breakdown judge lookup method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108287305A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109573437A (en) * | 2018-12-24 | 2019-04-05 | 益和电气集团股份有限公司 | Automatic warehouse stacker control system and control method |
| CN109633428A (en) * | 2018-12-14 | 2019-04-16 | 贵州电网有限责任公司 | A kind of high-voltage circuit-breaker switching on-off coil fault detector |
| CN111398800A (en) * | 2020-03-18 | 2020-07-10 | 山东钢铁股份有限公司 | Circuit breaker fault finding method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645324Y (en) * | 2003-04-30 | 2004-09-29 | 广州市亿力电气科技有限公司 | High voltage breaker secondary circuit total operating mode monitoring arrangement |
| CN104635112A (en) * | 2015-01-30 | 2015-05-20 | 山东钢铁股份有限公司 | Method and device for finding fault point of circuit breaker closing control loop |
| CN105305620A (en) * | 2015-10-22 | 2016-02-03 | 山东钢铁股份有限公司 | Disconnection monitoring system of breaker closing control circuit |
| CN106483423A (en) * | 2016-12-05 | 2017-03-08 | 山东钢铁股份有限公司 | A kind of trouble shoot method and device of breaker open operation electric loop |
-
2018
- 2018-01-20 CN CN201810056105.7A patent/CN108287305A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2645324Y (en) * | 2003-04-30 | 2004-09-29 | 广州市亿力电气科技有限公司 | High voltage breaker secondary circuit total operating mode monitoring arrangement |
| CN104635112A (en) * | 2015-01-30 | 2015-05-20 | 山东钢铁股份有限公司 | Method and device for finding fault point of circuit breaker closing control loop |
| CN105305620A (en) * | 2015-10-22 | 2016-02-03 | 山东钢铁股份有限公司 | Disconnection monitoring system of breaker closing control circuit |
| CN106483423A (en) * | 2016-12-05 | 2017-03-08 | 山东钢铁股份有限公司 | A kind of trouble shoot method and device of breaker open operation electric loop |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109633428A (en) * | 2018-12-14 | 2019-04-16 | 贵州电网有限责任公司 | A kind of high-voltage circuit-breaker switching on-off coil fault detector |
| CN109573437A (en) * | 2018-12-24 | 2019-04-05 | 益和电气集团股份有限公司 | Automatic warehouse stacker control system and control method |
| CN111398800A (en) * | 2020-03-18 | 2020-07-10 | 山东钢铁股份有限公司 | Circuit breaker fault finding method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108287305A (en) | A kind of high voltage circuit breaker closing control loop breakdown judge lookup method | |
| CN105305620A (en) | Disconnection monitoring system of breaker closing control circuit | |
| CN106655898B (en) | Reactor cabinet control circuit | |
| CN219576637U (en) | Multi-protection control system for urban rail distribution box and distribution box | |
| CN106712017B (en) | Double-bus secondary voltage switching circuit and self-holding circuit thereof | |
| CN104635112B (en) | Method and device for finding fault point of circuit breaker closing control loop | |
| CN111458633B (en) | Tripping and closing monitoring circuit and fault alarming method | |
| CN103199614B (en) | Two-way alternating current inlet wire and connection power distribution control method | |
| CN209266219U (en) | A kind of high-voltage circuitbreaker remote control trip gear | |
| CN111398800A (en) | Circuit breaker fault finding method | |
| CN213782957U (en) | UPS external maintenance bypass switch locking control circuit | |
| CN205622215U (en) | High -voltage switch control circuit based on relay | |
| CN212485807U (en) | Automatic time-delay switching-on control loop of capacitor high-voltage switch cabinet | |
| CN202585275U (en) | Novel secondary control circuit of permanent magnet structure | |
| CN205392718U (en) | Coal pulverizer switch control system | |
| CN117578743B (en) | Frame circuit breaker trip circuit monitoring system and method | |
| CN219915859U (en) | Direct current differential pressure allows closing detection circuit | |
| CN218678427U (en) | Generator de-excitation loop | |
| CN219643656U (en) | Power-loss protection alarm device for PLC cabinet power supply | |
| CN219936777U (en) | Intelligent pre-magnetizing control circuit for transformer | |
| CN221173107U (en) | Control device of heat exchange unit | |
| CN214227831U (en) | Emergency stop switch control circuit for power supply system of packaging machine | |
| CN212848114U (en) | Anti-jump control circuit | |
| CN216670525U (en) | Double-load circulation control circuit | |
| CN216625372U (en) | Power supply device |
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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180717 |