CN204089006U - A kind of novel switched arc extinction cabinet - Google Patents
A kind of novel switched arc extinction cabinet Download PDFInfo
- Publication number
- CN204089006U CN204089006U CN201420543158.9U CN201420543158U CN204089006U CN 204089006 U CN204089006 U CN 204089006U CN 201420543158 U CN201420543158 U CN 201420543158U CN 204089006 U CN204089006 U CN 204089006U
- Authority
- CN
- China
- Prior art keywords
- resonance
- circuit breaker
- arc extinction
- novel switched
- resonance eliminator
- 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.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a kind of novel switched arc extinction cabinet; comprise is a resonance eliminator of switch arc suppression cabinet development specially; what be connected with resonance eliminator is circuit breaker, and being overvoltage protection device and PT handcart in the below of circuit breaker, is overvoltage instrument transformer in its bottom.The utility model adopts the physical characteristic of element to judge, eliminate resonance, and the fast and action of reaction speed accurately and reliably, solves conventional resonance eliminator by short circuit PT(voltage transformer) the harmonic elimination mode of open delta, to PT without harm, can continuous several times harmonic elimination.
Description
Technical field
The utility model relates to a kind of power supply unit field, specifically belongs to a kind of novel switched arc extinction cabinet.
Background technology
At present, arc extinction cabinet in internal configurations configuration aspects only by direct for the earth terminal of high-pressure vacuum contactor ground connection, transfer ground connection in fault point is realized only according to resistance under the cabinet being less than fault point resistance, but resistance can not accomplish that trend is zero under cabinet, the capacity current transfer also just can not completely fault point flow through, therefore, in the prior art, due to remaining electric arc, heat is still likely gathered in fault point, and hidden danger is existed.
Summary of the invention
The utility model adopts the physical characteristic of element to judge, eliminate resonance, and the fast and action of reaction speed accurately and reliably, solves conventional resonance eliminator by short circuit PT(voltage transformer) the harmonic elimination mode of open delta, to PT without harm, can continuous several times harmonic elimination.
The technical solution adopted in the utility model is as follows:
A kind of novel switched arc extinction cabinet, comprises a resonance eliminator, and what be connected with resonance eliminator is circuit breaker, and being overvoltage protection device and PT handcart in the below of circuit breaker, is overvoltage instrument transformer in its bottom.
A described resonance eliminator adopts Sensitive Apparatus to be arranged on PT neutral point place, selects the resistance when resonance free very little, once there is resonance, present the senser of high-impedance state.
Described circuit breaker adopts and adapts to the wide individual-phase control circuit breaker of visitor's property current range, and performance is more stable.
Compared with the prior art, the beneficial effects of the utility model are as follows:
The utility model adopts the physical characteristic of element to judge, eliminate resonance, fast and the action of reaction speed accurately and reliably, when there is single-phase arc grounding fault in system, arc extinction cabinet can drop into the circuit breaker of fault phase in 30s, a resonance eliminator is adopted to solve conventional resonance eliminator by short circuit PT(voltage transformer) the harmonic elimination mode of open delta, to PT without harm, can continuous several times harmonic elimination.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Embodiment
See accompanying drawing; a kind of novel switched arc extinction cabinet; comprise having and comprise the special resonance eliminator 1 being switch arc suppression cabinet and developing; what be connected with resonance eliminator is circuit breaker 2, and being overvoltage protection device 3 and PT handcart 4 in the below of circuit breaker 2, is overvoltage instrument transformer 5 in its bottom; a described resonance eliminator 1 adopts Sensitive Apparatus to be arranged on PT neutral point place; select the resistance when resonance free very little, once there is resonance, present the senser of high-impedance state.Described circuit breaker 2 adopts and adapts to the wide individual-phase control circuit breaker of visitor's property current range, and performance is more stable.The physical characteristic of element is adopted to judge, eliminate resonance, fast and the action of reaction speed accurately and reliably, when there is single-phase arc grounding fault in system, arc extinction cabinet can drop into the circuit breaker of fault phase in 30s, a resonance eliminator 1 is adopted to solve conventional resonance eliminator by short circuit PT(voltage transformer) the harmonic elimination mode of open delta, to PT without harm, can continuous several times harmonic elimination.
Claims (3)
1. a novel switched arc extinction cabinet, comprises a resonance eliminator, and what be connected with resonance eliminator is circuit breaker, and being overvoltage protection device and PT handcart in the below of circuit breaker, is overvoltage instrument transformer in its bottom.
2. the novel switched arc extinction cabinet of one according to claim 1, it is characterized in that: a described resonance eliminator adopts Sensitive Apparatus to be arranged on PT neutral point place, select the resistance when resonance free very little, once there is resonance, present the senser of high-impedance state.
3. the novel switched arc extinction cabinet of one according to claim 1, is characterized in that: described circuit breaker adopts and adapts to the wide individual-phase control circuit breaker of visitor's property current range.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543158.9U CN204089006U (en) | 2014-09-21 | 2014-09-21 | A kind of novel switched arc extinction cabinet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420543158.9U CN204089006U (en) | 2014-09-21 | 2014-09-21 | A kind of novel switched arc extinction cabinet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204089006U true CN204089006U (en) | 2015-01-07 |
Family
ID=52181678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420543158.9U Expired - Fee Related CN204089006U (en) | 2014-09-21 | 2014-09-21 | A kind of novel switched arc extinction cabinet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204089006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786472A (en) * | 2015-11-24 | 2017-05-31 | 合肥亚飞电力设备有限公司 | A kind of digital arc extinction cabinet |
-
2014
- 2014-09-21 CN CN201420543158.9U patent/CN204089006U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106786472A (en) * | 2015-11-24 | 2017-05-31 | 合肥亚飞电力设备有限公司 | A kind of digital arc extinction cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20180921 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |