CN104966648A - Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes - Google Patents
Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes Download PDFInfo
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- CN104966648A CN104966648A CN201510256725.1A CN201510256725A CN104966648A CN 104966648 A CN104966648 A CN 104966648A CN 201510256725 A CN201510256725 A CN 201510256725A CN 104966648 A CN104966648 A CN 104966648A
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- Prior art keywords
- breaker
- vacuum circuit
- circuit breaker
- indoor
- voltage
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Classifications
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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
- H01H71/1009—Interconnected mechanisms
- H01H71/1018—Interconnected mechanisms with only external interconnections
-
- 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
- H01H33/60—Switches wherein the means for extinguishing or preventing the arc do not include separate means for obtaining or increasing flow of arc-extinguishing fluid
- H01H33/66—Vacuum switches
- H01H33/6606—Terminal arrangements
-
- 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
- H01H71/1045—Multiple circuits-breaker, e.g. for the purpose of dividing current or potential drop
Abstract
Provided is an indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes. The indoor 110kV vacuum circuit breaker body comprises a 72.5kV vacuum circuit breaker, a 40.5kV vacuum circuit breaker, and a front-back integrated solid-sealed pole, and a breaker controller. The 72.5kV vacuum circuit breaker and the 40.5kV vacuum circuit breaker are solidly sealed together by the front-back integrated solid-sealed pole. The low-voltage end of the 72.5kV vacuum circuit breaker and the high-voltage end of the 40.5kV vacuum circuit breaker are connected in series through flexible connection in the front-back integrated solid-sealed pole. The top of the front-back integrated solid-sealed pole is provided with a top wire-out seat. The bottom of the front-back integrated solid-sealed pole is provided with a bottom wire-out seat. The top wire-out seat is connected with a top contact arm. The top contact arm is connected with a high-voltage-side tulip contact to be used as a high-voltage inlet wire access point. The bottom wire-out seat is connected with a bottom contact arm. The bottom contact arm is connected with a low-voltage-side tulip contact to be used as a low-voltage inlet wire access point. The indoor 110kV vacuum circuit breaker body fully puts the disconnection and voltage endurance capability of a vacuum circuit breaker module to good use, removes voltage-sharing capacitors required to be installed in series structure, and effectively prevents asynchronous operation of a series-parallel connection modular breaker mechanism.
Description
Technical field
The invention belongs to high voltage electrical apparatus technical field, be specifically related to the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of a kind of copolar pillar.
Background technology
Current line vacuum circuit breaker will be applied to middle pressure field.Indoor group of cabinet-type vacuum circuit breaker highest voltage level can only accomplish 40.5kV.The miniaturization and indoorization that how to realize 110kV vacuum circuit-breaker are difficult problems always.And existing 110kV vacuum circuit-breaker research or product are confined to the vacuum breaker module of same electric pressure to realize more voltage levels by going here and there and combining, and need parallel equalizing capacitor device between serial module structure.And the non-synchronous of disparate modules action have impact on phase-controlled effect always.
For typical 72.5kV vacuum breaker module and 40.5kV vacuum breaker module structure carry out tandem compound voltage's distribiuting simulation and experimental study on the market at present.Result of study shows, various combination arrangement condition lower module voltage ratio reaches unanimity, and high-pressure side module and low-pressure end module quiescent voltage ratio are close to 7:3.And 72.5kV vacuum breaker module 1min industrial frequency withstand voltage must not lower than 160kV.40.5kV vacuum breaker module 1min industrial frequency withstand voltage must not lower than 95kV.Namely 72.5kV vacuum breaker module can short-time withstand 110kV voltage.
Summary of the invention
The technical problem to be solved in the present invention is, the deficiency being limited to electric pressure is there is for existing vacuum breaker module, the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of a kind of copolar pillar is provided, make full use of cut-offfing and voltage endurance capability of vacuum breaker module, eliminate the equalizing capacitance that cascaded structure needs to install, effectively prevent a connection in series-parallel modularized circuit breaker mechanism action non-synchronous difficult problem.Arrange before and after adopting that integral type pole achieves the series connection of 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker, solves the bulky drawback of 110kV vacuum circuit-breaker.New thinking is provided for realizing indoor 110kV vacuum circuit-breaker.
The present invention for solving the problems of the technologies described above adopted technical scheme is:
The indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of a kind of copolar pillar, comprise 72.5kV vacuum circuit-breaker, 40.5kV vacuum circuit-breaker, front and back layout integral type pole and breaker controller, described 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker are arranged by front and back together with integral type pole sealing, and the low-pressure end of 72.5kV vacuum circuit-breaker and the high-pressure side of 40.5kV vacuum circuit-breaker arrange in front and back to connect by being flexible coupling in integral type pole inside; Described front and back arrange that integral type pole upper end is furnished with upper wire outlet seat, lower end is furnished with lower wire outlet seat, upper wire outlet seat is connected with upper contact arm, upper contact arm connects high-pressure side Mume flower contact as high pressure inlet wire access point, lower wire outlet seat is connected with lower contact arm, and lower contact arm connects low-pressure side Mume flower contact as low-pressure line-outgoing access point; The lower end side of integral type pole is arranged before and after breaker controller is arranged on.
By such scheme, described front and back arrange arrange before and after the 72.5kV vacuum circuit-breaker of integral type pole inside and 40.5kV vacuum circuit-breaker, 110kV vacuum circuit-breaker in series.
By such scheme, described 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker are permanent-magnet manipulating mechanism, and inside is furnished with insulated tension pole (insulated tension pole realizes strong and weak electricity isolation).
By such scheme, whole breaker body adopts indoor group of cabinet to arrange, is indoor application 110kV vacuum circuit-breaker.
Operation principle of the present invention: described breaker controller is for realizing the asynchronous controlling of 72.5kV vacuum circuit-breaker and the action of 40.5kV vacuum circuit-breaker, and the current and voltage signals that can obtain in conjunction with sampling realizes the phase-controlled to single circuit breaker.Breaker actuation pattern comprises: when breaker controller receives separating brake instruction, send sub-gate signal first to 72.5kV vacuum circuit breaker mechanism drive circuit, send sub-gate signal to again after certain time-delay 40.5kV vacuum circuit breaker mechanism drive circuit, guarantee that 72.5kV contacts for vacuum-break switches first separates; When breaker controller receives reclosing command, send switching signal first to 40.5kV vacuum circuit breaker mechanism drive circuit, send switching signal to again after certain time-delay 72.5kV vacuum circuit breaker mechanism drive circuit, guarantee that 40.5kV contacts for vacuum-break switches first closes.
The time delay that described breaker controller sends separating brake instruction to 72.5kV control mechanism of vacuum circuit breaker and 40.5kV control mechanism of vacuum circuit breaker is: the intrinsic opening time of 72.5kV vacuum circuit-breaker deducts the dispersed threshold value of this breaker permanent-magnet mechanism action.The time delay that breaker controller sends reclosing command to 72.5kV vacuum circuit breaker mechanism drive circuit and 40.5kV vacuum circuit breaker mechanism drive circuit is: the intrinsic closing time of 40.5kV vacuum circuit-breaker deducts the dispersed threshold value of this breaker permanent-magnet mechanism action.
Beneficial effect of the present invention is: make full use of cut-offfing and voltage endurance capability of vacuum breaker module, eliminates the equalizing capacitance that cascaded structure needs to install, effectively prevent a connection in series-parallel modularized circuit breaker mechanism action non-synchronous difficult problem; Arrange before and after adopting that integral type pole achieves the series connection of 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker, solving the bulky drawback of 110kV vacuum circuit-breaker, providing new thinking for realizing indoor 110kV vacuum circuit-breaker.
Accompanying drawing explanation
Fig. 1 is breaker body phase structure schematic diagram of the present invention;
Fig. 2 is the structural representation that in Fig. 1, integral type pole is arranged in front and back;
Fig. 3 is different electric pressure block coupled in series schematic diagram in circuit breaker polar of the present invention;
In figure, 1-72.5kV vacuum circuit-breaker, 2-40.5kV vacuum circuit-breaker, arranges integral type pole before and after 3-, the upper wire outlet seat of 31-, wire outlet seat under 32-, the upper contact arm of 33-, contact arm under 34-, 35-high-pressure side Mume flower contact, 36-low-pressure side Mume flower contact, 4-breaker controller.
Embodiment
Below according to specific embodiment also by reference to the accompanying drawings, the present invention is further detailed explanation.
With reference to shown in Fig. 1 ~ Fig. 2, the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of copolar pillar of the present invention, comprise 72.5kV vacuum circuit-breaker 1,40.5kV vacuum circuit-breaker 2, front and back layout integral type pole 3 and breaker controller 4, described 72.5kV vacuum circuit-breaker 1 and 40.5kV vacuum circuit-breaker 2 arrange that by front and back together with integral type pole 4 sealing, the low-pressure end of 72.5kV vacuum circuit-breaker 1 and the high-pressure side of 40.5kV vacuum circuit-breaker 2 arrange in front and back to connect by being flexible coupling in integral type pole 3 inside; Described front and back arrange that integral type pole 3 upper end is furnished with upper wire outlet seat 31, lower end is furnished with lower wire outlet seat 32, upper wire outlet seat 31 is connected with upper contact arm 33, upper contact arm 33 connects high-pressure side Mume flower contact 35 as high pressure inlet wire access point, lower wire outlet seat 32 is connected with lower contact arm 34, and lower contact arm 34 connects low-pressure side Mume flower contact 36 as low-pressure line-outgoing access point; The lower end side of integral type pole 3 is arranged before and after breaker controller 4 is arranged on.
Described front and back arrange arrange before and after the 72.5kV vacuum circuit-breaker 1 of integral type pole 4 inside and 40.5kV vacuum circuit-breaker 2,110kV vacuum circuit breaker mechanism in series, as shown in Figure 3.
Described 72.5kV vacuum circuit-breaker 1 and 40.5kV vacuum circuit-breaker 2 are permanent-magnet manipulating mechanism, and inside is furnished with insulated tension pole, 72.5kV vacuum circuit breaker, 1,40.5kV vacuum circuit-breaker 2 respectively by respective insulated tension pole realize strong and weak electricity isolation.
Whole breaker body adopts indoor group of cabinet to arrange (cabinet-type), is indoor application 110kV vacuum circuit-breaker.
During work, high-pressure side Mume flower contact 35 connects high pressure inlet wire, and low-pressure side Mume flower contact 36 connects low-pressure line-outgoing.Breaker controller 4 realizes the asynchronous controlling of 72.5kV vacuum circuit-breaker 1 and 40.5kV vacuum circuit-breaker 2 action, and the current and voltage signals that can obtain in conjunction with sampling realizes the phase-controlled to single circuit breaker.Breaker actuation pattern comprises: when breaker controller 4 receives separating brake instruction, send sub-gate signal first to 72.5kV vacuum circuit-breaker 1 operating mechanism, send sub-gate signal to again after certain time-delay 40.5kV vacuum circuit-breaker 2 operating mechanism, guarantee that 72.5kV vacuum circuit-breaker 1 contact first separates; When breaker controller 4 receives reclosing command, send switching signal first to 40.5kV vacuum circuit-breaker 2 operating mechanism, send switching signal to again after certain time-delay 72.5kV vacuum circuit-breaker 1 operating mechanism, guarantee that 40.5kV vacuum circuit-breaker 2 contact first closes.
The time delay that described breaker controller 4 sends separating brake instruction to 72.5kV vacuum circuit-breaker 1 operating mechanism and 40.5kV vacuum circuit-breaker 2 operating mechanism is: the intrinsic opening time of 72.5kV vacuum circuit-breaker 1 deducts the dispersed threshold value of this breaker permanent-magnet mechanism action.The time delay that breaker controller 4 sends reclosing command to 72.5kV vacuum circuit-breaker 1 mechanism's drive circuit and 40.5kV vacuum circuit-breaker 2 mechanism drive circuit is: the intrinsic closing time of 40.5kV vacuum circuit-breaker 2 deducts the dispersed threshold value of this breaker permanent-magnet mechanism action.
Obviously, above-described embodiment is only for example of the present invention is clearly described, and is not the restriction to embodiments of the present invention.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here exhaustive without the need to also giving all execution modes.And these belong to spirit institute's apparent change of extending out of the present invention or change and are still among protection scope of the present invention.
Claims (4)
1. the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of copolar pillar, it is characterized in that: comprise 72.5kV vacuum circuit-breaker, 40.5kV vacuum circuit-breaker, front and back layout integral type pole and breaker controller, described 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker are arranged by front and back together with integral type pole sealing, and the low-pressure end of 72.5kV vacuum circuit-breaker and the high-pressure side of 40.5kV vacuum circuit-breaker arrange in front and back to connect by being flexible coupling in integral type pole inside; Described front and back arrange that integral type pole upper end is furnished with upper wire outlet seat, lower end is furnished with lower wire outlet seat, upper wire outlet seat is connected with upper contact arm, upper contact arm connects high-pressure side Mume flower contact as high pressure inlet wire access point, lower wire outlet seat is connected with lower contact arm, and lower contact arm connects low-pressure side Mume flower contact as low-pressure line-outgoing access point; The lower end side of integral type pole is arranged before and after breaker controller is arranged on.
2. the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of copolar pillar according to claim 1, is characterized in that: described front and back arrange arrange before and after the 72.5kV vacuum circuit-breaker of integral type pole inside and 40.5kV vacuum circuit-breaker, 110kV vacuum circuit-breaker in series.
3. the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of copolar pillar according to claim 1, it is characterized in that: the operating mechanism of described 72.5kV vacuum circuit-breaker and 40.5kV vacuum circuit-breaker is permanent-magnet manipulating mechanism, and inside is furnished with insulated tension pole.
4. the indoor 110kV vacuum circuit breaker body of the different electric pressure circuit breaker series connection of copolar pillar according to claim 1, is characterized in that: whole breaker body adopts indoor group of cabinet to arrange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256725.1A CN104966648A (en) | 2015-05-18 | 2015-05-18 | Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510256725.1A CN104966648A (en) | 2015-05-18 | 2015-05-18 | Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes |
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| Publication Number | Publication Date |
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| CN104966648A true CN104966648A (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510256725.1A Pending CN104966648A (en) | 2015-05-18 | 2015-05-18 | Indoor 110kV vacuum circuit breaker body formed by common-pole series-connected breakers in different voltage classes |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068504A (en) * | 2017-05-05 | 2017-08-18 | 平高集团有限公司 | The phase selection control method and device of a kind of dual operation mechanisms breaker |
| CN107331569A (en) * | 2017-08-14 | 2017-11-07 | 国网电力科学研究院武汉南瑞有限责任公司 | 500KV vacuum circuit breaker topological structures |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882148A (en) * | 2012-10-23 | 2013-01-16 | 福建中能电气股份有限公司 | Solid insulation switch |
| CN104124639A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
| US20150021298A1 (en) * | 2013-07-19 | 2015-01-22 | Hitachi, Ltd. | Switchgear |
-
2015
- 2015-05-18 CN CN201510256725.1A patent/CN104966648A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102882148A (en) * | 2012-10-23 | 2013-01-16 | 福建中能电气股份有限公司 | Solid insulation switch |
| US20150021298A1 (en) * | 2013-07-19 | 2015-01-22 | Hitachi, Ltd. | Switchgear |
| CN104124639A (en) * | 2014-07-24 | 2014-10-29 | 沈阳华德海泰电器有限公司 | Pot type high voltage combination electric appliance with vacuum arc extinguishing chambers connected in series |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107068504A (en) * | 2017-05-05 | 2017-08-18 | 平高集团有限公司 | The phase selection control method and device of a kind of dual operation mechanisms breaker |
| CN107331569A (en) * | 2017-08-14 | 2017-11-07 | 国网电力科学研究院武汉南瑞有限责任公司 | 500KV vacuum circuit breaker topological structures |
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| PB01 | Publication | ||
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Application publication date: 20151007 |