CN107086538A - A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker - Google Patents
A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker Download PDFInfo
- Publication number
- CN107086538A CN107086538A CN201710424132.0A CN201710424132A CN107086538A CN 107086538 A CN107086538 A CN 107086538A CN 201710424132 A CN201710424132 A CN 201710424132A CN 107086538 A CN107086538 A CN 107086538A
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- CN
- China
- Prior art keywords
- energy storage
- loop
- motor
- relay
- energy
- 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.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
- H02H3/02—Details
- H02H3/021—Details concerning the disconnection itself, e.g. at a particular instant, particularly at zero value of current, disconnection in a predetermined order
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H33/00—High-tension or heavy-current switches with arc-extinguishing or arc-preventing means
- H01H33/02—Details
- H01H33/28—Power arrangements internal to the switch for operating the driving mechanism
- H01H33/36—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
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- Protection Of Static Devices (AREA)
Abstract
The invention discloses a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including motor power loop and motor energy storage control loop, the motor power loop has the normally opened contact of energy storage air switch and energy storage A.C. contactor, the motor energy storage control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, the DC loop has control power supply air switch, energy storage travel switch, and the control coil and the control coil of energy storage time relay of energy storage auxiliary reclay in parallel, also include：AC relay, wherein, the control coil of the AC relay is serially connected on the motor power loop, and the normally opened contact of the AC relay is connected with the control coil of the energy storage time relay in the DC loop.Using the energy storage motor control loop of the present invention, after recovery is exchanged, motor control loop can normally start energy storage.
Description
Technical field
The present invention relates to the energy storage motor control of high-tension switch gear, more particularly to a kind of self-action sulfur hexafluoride breaker
Loop.
Background technology
Self-energy sulfur hexafluoride circuit breaker belongs to three-phase alternating current 50Hz outdoor high voltage switchgear, it is adaptable to which high pressure is defeated to be become
The control and protection of electric system, are the key equipments that secondary circuit controls primary circuit.
By taking LW35-126 type high-voltage switch gears as an example, mainly it is made up of arc-chutes, pedestal, support and spring operating mechanism etc..
The spring operating mechanism includes the parts such as combined floodgate energy-stored spring, ratchet, ratchet and pull bar.
Figures 1 and 2 show that the control loop of the energy storage motor of LW35-126 types switch.In Fig. 1, Q3 is energy storage air
Switch, KM is the control coil of energy storage A.C. contactor, KM1 and the normally opened contact that KM2 is the energy storage A.C. contactor, K4 switches
For the normally opened contact of energy storage auxiliary reclay, KT switches are energy storage time relay Time Delay Opening contact；In fig. 2, Q1 is control
Power supply air switch processed, SP1 is energy storage travel switch, and K4 is the control coil of energy storage auxiliary reclay, and KT control coils are storage
The control coil of the energy time relay.
When breaker switching-on operation is finished, energy storage motor M is connect energy by limit switch SP1, and energy storage motor M band pawls are pushed away
Dynamic ratchet turns clockwise, by pull bar by switching-in spring energy storage.
Following extreme problem is run into the maintenance process for implementing breaker：
Whole station exchanges dead electricity, when direct current is normal, if the non-energy storage of switch, KT relays are powered for a long time.
For protecting the KT Time Delay Openings contact of motor to be returned after opening in electric motor loop.At this moment after exchange recovers,
Because KT contacts can not be returned, motor can not normally energy storage.
Scene controls power switch Q1 method to return to KT relays frequently with drawing.
Above-mentioned extreme problem brings hidden danger to the safe operation of power network.
The content of the invention
It is an object of the invention to provide a kind of energy storage motor control loop of self-action sulfur hexafluoride breaker, to ensure
Normal energy storage of the energy storage motor under above-mentioned extreme case.
Therefore, the invention provides a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including motor
Electric power loop and motor energy storage control loop, the motor power loop have energy storage air switch and energy storage A.C. contactor
Normally opened contact, the motor energy storage control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected in institute
State on motor power loop, the control coil with energy storage A.C. contactor, the normally opened contact of energy storage auxiliary reclay and energy storage
The Time Delay Opening contact of the time relay, the DC loop has control power supply air switch, energy storage travel switch and simultaneously
The control coil of the energy storage auxiliary reclay of connection and the control coil of energy storage time relay, in addition to：AC relay, its
In, the control coil of the AC relay is serially connected on the motor power loop, the normally opened contact of the AC relay
Connected with the control coil of the energy storage time relay in the DC loop.
Further, above-mentioned self-energy sulfur hexafluoride circuit breaker is the type breakers of LW35-126.
Further, above-mentioned AC relay is alternating current 220V voltage detecting relay.
The present invention is transformed motor control loop, and AC relay is concatenated in alternating current 220V motor power loop
In K5, this relay tip concatenation energy storage time relay circuit, for exchanging during dead electricity, turn-off time relay power, with
Ensure that its normally closed contact will not be opened.After so exchange recovers, motor control loop can normally start energy storage.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The Figure of description for constituting the part of the application is used for providing a further understanding of the present invention, and of the invention shows
Meaning property embodiment and its illustrate be used for explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the energy storage motor control loop of the self-energy sulfur hexafluoride circuit breaker of prior art, wherein, show
Ac circuit part is gone out；
Fig. 2 is the schematic diagram of the energy storage motor control loop of the self-energy sulfur hexafluoride circuit breaker of prior art, wherein, show
DC loop part is gone out；
Fig. 3 is the schematic diagram of the energy storage motor control loop of the self extinguishing type sulfur hexafluoride cutout according to the present invention, wherein,
Show ac circuit part；And
Fig. 4 is the schematic diagram of the energy storage motor control loop of the self-action sulfur hexafluoride breaker according to the present invention, wherein,
Show DC loop part.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the application can phase
Mutually combination.Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
With reference to reference picture 3 and Fig. 4, motor tank circuit includes motor power loop and motor energy storage control loop, described
Motor power loop has the normally opened contact KM1 and KM2 of energy storage air switch Q3 and energy storage A.C. contactor, the motor energy storage
Control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, is had
The delay of energy storage A.C. contactor KM control coil, energy storage auxiliary reclay K4 normally opened contact and energy storage time relay KT
Contact is opened, the DC loop has in control power supply air switch Q1, energy storage travel switch SP1 and the energy storage of parallel connection
Between relay K4 control coil and energy storage time relay KT control coil, in addition to：AC relay K5, wherein, institute
The control coil for stating AC relay K5 is serially connected on the motor power loop, the normally opened contact of the AC relay K5 with
The control coil series connection of energy storage time relay KT in the DC loop.
The present invention is transformed motor control loop, and AC relay is concatenated in alternating current 220V motor power loop
In K5, this relay tip concatenation energy storage time relay circuit, for exchanging during dead electricity, turn-off time relay power, with
Ensure that its normally closed contact will not be opened.After so exchange recovers, motor control loop can normally start energy storage.The present invention is to existing
The original structure for having motor control loop is not destroyed, and does not increase other hidden danger, overcomes extreme case, and reliability is carried
It is high.
In one embodiment, self-energy sulfur hexafluoride circuit breaker is the type breakers of LW35-126.In the present embodiment,
The types of LW35-126 are switched, and are likely to occur after switch closes a floodgate and are unable to energy storage hidden danger, instant invention overcomes the hidden danger.
In one embodiment, above-mentioned AC relay is preferably alternating current 220V voltage detecting relay, to increase reliability.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (3)
1. a kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker, including motor power loop and motor energy storage control
Loop processed, the motor power loop has the normally opened contact of energy storage air switch and energy storage A.C. contactor, the motor storage
Energy control loop includes ac circuit and DC loop, wherein, the ac circuit is serially connected on the motor power loop, tool
There is the Time Delay Opening of the control coil, the normally opened contact of energy storage auxiliary reclay and energy storage time relay of energy storage A.C. contactor
Contact, the DC loop has control power supply air switch, energy storage travel switch and the energy storage auxiliary reclay of parallel connection
The control coil of control coil and energy storage time relay, it is characterised in that also include：
AC relay, wherein, the control coil of the AC relay is serially connected on the motor power loop, the exchange
The normally opened contact of relay is connected with the control coil of the energy storage time relay in the DC loop.
2. the energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker according to claim 1, it is characterised in that institute
Self-energy sulfur hexafluoride circuit breaker is stated for the type breakers of LW35-126.
3. the energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker according to claim 1, it is characterised in that institute
AC relay is stated for alternating current 220V voltage detecting relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424132.0A CN107086538A (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424132.0A CN107086538A (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107086538A true CN107086538A (en) | 2017-08-22 |
Family
ID=59609185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710424132.0A Pending CN107086538A (en) | 2017-06-07 | 2017-06-07 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107086538A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912496A (en) * | 2019-10-31 | 2020-03-24 | 河南华盛隆源电气有限公司 | Control method and device for energy storage motor of circuit breaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204303670U (en) * | 2014-12-10 | 2015-04-29 | 华润水泥技术研发有限公司 | The energy storage motor control device of middle pressure vacuum circuit breaker |
| CN105720557A (en) * | 2016-04-15 | 2016-06-29 | 国网上海市电力公司 | Circuit breaker energy storage motor failure protection device and method for preventing energy storage motor failure |
| CN206742837U (en) * | 2017-06-07 | 2017-12-12 | 国网安徽省电力公司安庆供电公司 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
-
2017
- 2017-06-07 CN CN201710424132.0A patent/CN107086538A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204303670U (en) * | 2014-12-10 | 2015-04-29 | 华润水泥技术研发有限公司 | The energy storage motor control device of middle pressure vacuum circuit breaker |
| CN105720557A (en) * | 2016-04-15 | 2016-06-29 | 国网上海市电力公司 | Circuit breaker energy storage motor failure protection device and method for preventing energy storage motor failure |
| CN206742837U (en) * | 2017-06-07 | 2017-12-12 | 国网安徽省电力公司安庆供电公司 | A kind of energy storage motor control loop of self-energy sulfur hexafluoride circuit breaker |
Non-Patent Citations (2)
| Title |
|---|
| 李孟超: "《继电保护及二次回路典型缺陷分析与处理》", 30 November 2011 * |
| 浙江省电力学会: "《浙江省电力学会2013年度优秀论文集》", 31 January 2014 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110912496A (en) * | 2019-10-31 | 2020-03-24 | 河南华盛隆源电气有限公司 | Control method and device for energy storage motor of circuit breaker |
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| 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: 20170822 |