CN105845517A - High-voltage circuit breaker anti-tripping loop - Google Patents
High-voltage circuit breaker anti-tripping loop Download PDFInfo
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- CN105845517A CN105845517A CN201610341457.8A CN201610341457A CN105845517A CN 105845517 A CN105845517 A CN 105845517A CN 201610341457 A CN201610341457 A CN 201610341457A CN 105845517 A CN105845517 A CN 105845517A
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- Prior art keywords
- relay
- contact
- tripping
- chopper
- normal opened
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
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Abstract
The invention discloses a high-voltage circuit breaker anti-tripping loop, which comprises an anti-tripping control loop, a closing control loop and a tripping control loop. The high-voltage circuit breaker anti-tripping loop is characterized in that the tripping control loop comprises a tripping button TZK, a tripping hold relay TBJ, a tripping hold relay normally-open contact TBJ1, a first circuit breaker normally-open contact QF1 and a tripping coil TQ. The tripping button TZK and a first end of the tripping hold relay normally-open contact TBJ1 are connected with the positive electrode +KM of a control power supply; a second end of the tripping button TZK is connected with a second end of the tripping hold relay normally-open contact TBJ1 and a first end of the tripping hold relay normally-open contact TBJ1; a second end of the tripping hold relay TBJ is connected with a first end of the first circuit breaker normally-open contact QF1; a second end of the first circuit breaker normally-open contact QF1 is connected with a first end of the tripping coil TQ; and a second end of the tripping coil TQ is connected with the negative electrode -KM of the control power supply. The high-voltage circuit breaker anti-tripping loop is safe and reliable, can isolate a parasitical loop effectively, is simple to wire and convenient to maintain.
Description
Technical field
The present invention relates to high-tension switch gear technical field, be related specifically to a kind of Antibouncer Loop of High-voltage Breaker.
Background technology
Primary cut-out (hereinafter referred to as chopper) is primary equipment important in power system.And primary cut-out is when closing a floodgate; easily there is " jump " phenomenon; so-called " jump " refers to that chopper is after manually or automatically device closes a floodgate; if the non-involution of operation-control switch or control switch contact, automaton contact and block; when now protection act makes circuit breaker trip, chopper will occur " jump-close " phenomenon repeatedly.
In secondary circuit, the anti-jump loop of chopper mainly uses breaker mechanism anti-jump.And there is certain design defect in the anti-jump loop being used for primary cut-out in prior art; particularly under coordinating with microcomputer protective relay device; easily there is parasitic loop problem in anti-jump loop; even if anti-jump relay tip still can not reset after failture evacuation; cannot again close a floodgate after causing chopper tripping, thus bring bigger inconvenience to user.
But for the deficiencies in the prior art, developer be necessary to develop a kind of reasonable in design, simple in construction, safe and reliable, can effectively isolate parasitic loop, wiring is simple, be easy to the Antibouncer Loop of High-voltage Breaker safeguarded.
Summary of the invention
For solving the problem that prior art exists, the object of the invention provide a kind of reasonable in design, simple in construction, safe and reliable, can effectively isolate parasitic loop, wiring is simple, be easy to the Antibouncer Loop of High-voltage Breaker safeguarded.
For solving above technical problem, the present invention realizes by the following technical solutions:
A kind of Antibouncer Loop of High-voltage Breaker, controls loop including anti-jump control loop, shutting-brake control loop and tripping operation, it is characterised in that
nullDescribed tripping operation controls loop and includes trip button TZK、Tripping operation guard relay TBJ、Tripping operation guard relay normal opened contact TBJ1、First chopper normal opened contact QF1 and breaking coil TQ,Described trip button TZK is connected with the positive pole+KM controlling power supply respectively with first end of tripping operation guard relay normal opened contact TBJ1,Second end of described trip button TZK is connected with second end of tripping operation guard relay normal opened contact TBJ1 and first end of tripping operation guard relay TBJ respectively,Second end of described tripping operation guard relay TBJ and first end of the first chopper normal opened contact QF1 are connected,Second end of described first chopper normal opened contact QF1 is connected with first end of breaking coil TQ,Second end of described breaking coil TQ is connected with the negative pole-KM controlling power supply;
nullDescribed shutting-brake control loop includes switch knob HZK、Combined floodgate guard relay HBJ、Combined floodgate guard relay normal opened contact HBJ1、Anti-trip relay bank contact FTJ1、Second chopper normally closed contact QF2 and closing coil HQ,First end of described switch knob HZK and combined floodgate guard relay normal opened contact HBJ1 is connected with the positive pole+KM controlling power supply respectively,Second end of described switch knob HZK is connected with second end of combined floodgate guard relay normal opened contact HBJ1 and first end of combined floodgate guard relay HBJ respectively,Second end of described combined floodgate guard relay HBJ is connected with first end of anti-trip relay bank contact FTJ1,Second end of described anti-trip relay bank contact FTJ1 and first end of the second chopper normally closed contact QF2 are connected,Second end of described second chopper normally closed contact QF2 is connected with first end of closing coil HQ,Second end of described closing coil HQ is connected with the negative pole-KM controlling power supply;
Described anti-jump control loop includes anti-trip relay FTJ and the 4th chopper normal opened contact QF4, tripping operation guard relay normal opened contact TBJ2, first end of described 4th chopper normal opened contact QF4 is connected with second end of combined floodgate guard relay HBJ and first end of anti-trip relay bank contact FTJ1 respectively, second end of described 4th chopper normal opened contact QF4 respectively with the 3rd end and first end of anti-trip relay FTJ of anti-trip relay bank contact FTJ1, second end of tripping operation guard relay normal opened contact TBJ2 is connected, first end of described tripping operation guard relay normal opened contact TBJ2 is connected with the positive pole+KM controlling power supply, second end of described anti-trip relay FTJ is connected with the negative pole-KM controlling power supply.
In a preferred embodiment of the invention, being provided with jumping position monitoring arrangement on described shutting-brake control loop, described jumping position monitoring arrangement is connected with second end of anti-trip relay bank contact FTJ1 and first end of the second chopper normally closed contact QF2 respectively by the 3rd chopper normally closed contact QF3.
Compared with prior art, the present invention uses the loop of above structure, can effectively isolate parasitic loop, facilitate operator to be attached, effectively reduce the complicated performance in loop, so that electrical control logical relation is more cleaned intuitively, is easy to safeguard, bring bigger facility to operator and user.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the circuit diagram of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below in conjunction with being specifically illustrating, the present invention is expanded on further.
With reference to shown in Fig. 1, a kind of Antibouncer Loop of High-voltage Breaker be given in figure, including anti-jump control loop, shutting-brake control loop and tripping operation control loop.
Tripping operation controls loop and includes trip button TZK, tripping operation guard relay TBJ, tripping operation guard relay normal opened contact TBJ1, first chopper normal opened contact QF1 and breaking coil TQ, trip button TZK is connected with the positive pole+KM controlling power supply respectively with first end of tripping operation guard relay normal opened contact TBJ1, second end of trip button TZK is connected with second end of tripping operation guard relay normal opened contact TBJ1 and first end of tripping operation guard relay TBJ respectively, second end of tripping operation guard relay TBJ and first end of the first chopper normal opened contact QF1 are connected, second end of the first chopper normal opened contact QF1 is connected with first end of breaking coil TQ, second end of breaking coil TQ is connected with the negative pole-KM controlling power supply.
nullShutting-brake control loop includes switch knob HZK、Combined floodgate guard relay HBJ、Combined floodgate guard relay normal opened contact HBJ1、Anti-trip relay bank contact FTJ1、Second chopper normally closed contact QF2 and closing coil HQ,First end of switch knob HZK and combined floodgate guard relay normal opened contact HBJ1 is connected with the positive pole+KM controlling power supply respectively,Second end of switch knob HZK is connected with second end of combined floodgate guard relay normal opened contact HBJ1 and first end of combined floodgate guard relay HBJ respectively,Second end of combined floodgate guard relay HBJ is connected with first end of anti-trip relay bank contact FTJ1,Second end of anti-trip relay bank contact FTJ1 and first end of the second chopper normally closed contact QF2 are connected,Second end of the second chopper normally closed contact QF2 is connected with first end of closing coil HQ,Second end of closing coil HQ is connected with the negative pole-KM controlling power supply.
Anti-jump control loop includes that anti-trip relay FTJ and the 4th chopper normal opened contact QF4, tripping operation holding continue
Electrical equipment normal opened contact TBJ2, first end of the 4th chopper normal opened contact QF4 is connected with second end of combined floodgate guard relay HBJ and first end of anti-trip relay bank contact FTJ1 respectively, second end of the 4th chopper normal opened contact QF4 respectively with the 3rd end and first end of anti-trip relay FTJ of anti-trip relay bank contact FTJ1, second end of tripping operation guard relay normal opened contact TBJ2 is connected, first end of tripping operation guard relay normal opened contact TBJ2 is connected with the positive pole+KM controlling power supply, second end of anti-trip relay FTJ is connected with the negative pole-KM controlling power supply.
Shutting-brake control loop is provided with jumping position monitoring arrangement, jumps position monitoring arrangement and be connected with second end of anti-trip relay bank contact FTJ1 and first end of the second chopper normally closed contact QF2 respectively by the 3rd chopper normally closed contact QF3.
The specific works principle of the present invention is as follows:
When carrying out breaker switching-on operation or other switching signals are opened fashionable, closing switch HZK closes, combined floodgate guard relay HBJ coil obtains electric, combined floodgate guard relay normal opened contact HBJ1 closes, closing coil HQ obtains electric, completes breaker closing action, now first, fourth chopper normal opened contact QF1, QF4 Guan Bi, second and third chopper normally closed contact QF2, QF3 disconnect, and cut off shutting-brake control loop;
When carrying out circuit breaker trip action or other trip signals are opened fashionable, trip switch TZK closes, tripping operation guard relay TBJ coil obtains electric, tripping operation guard relay normal opened contact TBJ1 Guan Bi, breaking coil TQ obtains electric, completes circuit breaker trip action, and now first, fourth chopper normal opened contact QF1, QF4 disconnects, second and third chopper normally closed contact QF2, QF3 close, and cut off tripping operation and control loop;
After breaker switching-on operation signal is opened and is completed breaker switching-on operation, if combined floodgate contact is closure state, and now electric power system breaks down, protection device starting protection trip avoidance function, tripping operation is controlled loop connection and makes circuit breaker trip, now tripping operation guard relay normal opened contact TBJ2 Guan Bi, anti-trip relay FTJ coil is made to obtain electric, anti-trip relay bank contact FTJ1 disconnects and transfers Guan Bi to, make anti-jump control loop persistently electric, anti-trip relay bank contact FTJ1 Guan Bi transfers disconnection to simultaneously, cut off shutting-brake control loop, chopper is made again not close a floodgate, thus the chopper breaker tripping and closing repeatedly when to prevent electric power system fault be thoroughly to get rid of, anti-bouncing function plays a role.
Additionally after breaker switching-on operation signal is opened and completed breaker switching-on operation, now the 3rd chopper normally closed contact QF3 disconnects, thus isolates ectoparasitism loop and enter and make anti-trip relay FTJ coil obtain electric can not to return.
The present invention uses the loop of above structure in sum, can effectively isolate parasitic loop, facilitate operator to be attached, effectively reduce the complicated performance in loop, so that electrical control logical relation is more cleaned intuitively, is easy to safeguard, bring bigger facility to operator and user.
The ultimate principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle that the present invention is simply described described in above-described embodiment and description; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements both fall within scope of the claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (2)
1. an Antibouncer Loop of High-voltage Breaker, including anti-jump control loop, shutting-brake control loop and tripping operation control
Loop processed, it is characterised in that
Described tripping operation controls loop and includes that trip button TZK, tripping operation guard relay TBJ, tripping operation keep relay
Device normal opened contact TBJ1, the first chopper normal opened contact QF1 and breaking coil TQ, described trip button TZK and
First end of tripping operation guard relay normal opened contact TBJ1 is connected with the positive pole+KM controlling power supply respectively, described
Second end of trip button TZK respectively with tripping operation guard relay normal opened contact TBJ1 the second end and tripping operation guarantor
The first end holding relay TBJ is connected, second end of described tripping operation guard relay TBJ and the first chopper
First end of normal opened contact QF1 is connected, second end of described first chopper normal opened contact QF1 and tripping operation line
First end of circle TQ is connected, and second end of described breaking coil TQ is connected with the negative pole-KM controlling power supply;
Described shutting-brake control loop includes switch knob HZK, combined floodgate guard relay HBJ, closing a floodgate keeps relay
Device normal opened contact HBJ1, anti-trip relay bank contact FTJ1, the second chopper normally closed contact QF2 and closing line
First end of circle HQ, described switch knob HZK and combined floodgate guard relay normal opened contact HBJ1 is electric with control respectively
Positive pole+the KM in source is connected, and second end of described switch knob HZK is normally opened with combined floodgate guard relay respectively to be connect
Second end of some HBJ1 is connected with first end of combined floodgate guard relay HBJ, described combined floodgate guard relay
Second end of HBJ is connected with first end of anti-trip relay bank contact FTJ1, and described anti-trip relay combines
Second end of contact FTJ1 and first end of the second chopper normally closed contact QF2 are connected, described second chopper
Second end of normally closed contact QF2 is connected with first end of closing coil HQ, second end of described closing coil HQ
It is connected with the negative pole-KM controlling power supply;
Described anti-jump control loop includes that anti-trip relay FTJ and the 4th chopper normal opened contact QF4, tripping operation are protected
Holding relay normally open contact TBJ2, first end of described 4th chopper normal opened contact QF4 keeps with closing a floodgate respectively
Second end of relay HBJ is connected with first end of anti-trip relay bank contact FTJ1, described 4th open circuit
Second end of device normal opened contact QF4 respectively with the 3rd end and the anti-jump relay of anti-trip relay bank contact FTJ1
First end of device FTJ, second end of tripping operation guard relay normal opened contact TBJ2 are connected, and described tripping operation keeps
First end of relay normally open contact TBJ2 is connected with the positive pole+KM controlling power supply, described anti-trip relay
Second end of FTJ is connected with the negative pole-KM controlling power supply.
A kind of Antibouncer Loop of High-voltage Breaker the most according to claim 1, it is characterised in that: in described conjunction
Lock controls loop and is provided with jumping position monitoring arrangement, and described jumping position monitoring arrangement passes through the 3rd chopper normally closed contact
QF3 respectively with second end and the first of the second chopper normally closed contact QF2 of anti-trip relay bank contact FTJ1
End is connected.
Priority Applications (1)
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CN201610341457.8A CN105845517A (en) | 2016-05-20 | 2016-05-20 | High-voltage circuit breaker anti-tripping loop |
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CN201610341457.8A CN105845517A (en) | 2016-05-20 | 2016-05-20 | High-voltage circuit breaker anti-tripping loop |
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CN201610341457.8A Pending CN105845517A (en) | 2016-05-20 | 2016-05-20 | High-voltage circuit breaker anti-tripping loop |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112260231A (en) * | 2020-08-31 | 2021-01-22 | 深圳供电局有限公司 | Circuit breaker anti-tripping loop |
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CN204858540U (en) * | 2015-08-18 | 2015-12-09 | 安阳工学院 | Circuit breaker serial -type is electric prevents rebound way |
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Patent Citations (7)
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CN202535044U (en) * | 2012-04-11 | 2012-11-14 | 济南市历城区供电公司 | Breaker switching-on and tripping control circuit |
CN203055810U (en) * | 2012-06-06 | 2013-07-10 | 山西省电力公司运城供电分公司 | Improved power circuit breaker closing loop |
CN203589713U (en) * | 2013-11-15 | 2014-05-07 | 中山市明阳电器有限公司 | Anti-tripping circuit combined by circuit breaker and relay protection |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112260231A (en) * | 2020-08-31 | 2021-01-22 | 深圳供电局有限公司 | Circuit breaker anti-tripping loop |
CN112260231B (en) * | 2020-08-31 | 2023-09-12 | 深圳供电局有限公司 | Circuit breaker anti-jump loop |
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Application publication date: 20160810 |
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