CN104181447A - Testing method for withstand voltage performance of AC high-voltage vacuum circuit breaker - Google Patents
Testing method for withstand voltage performance of AC high-voltage vacuum circuit breaker Download PDFInfo
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- CN104181447A CN104181447A CN201410464655.4A CN201410464655A CN104181447A CN 104181447 A CN104181447 A CN 104181447A CN 201410464655 A CN201410464655 A CN 201410464655A CN 104181447 A CN104181447 A CN 104181447A
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- withstand voltage
- isolating switch
- circuit breaker
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Abstract
The invention discloses a testing method for the withstand voltage performance of an AC high-voltage vacuum circuit breaker. The testing method is characterized by comprising the steps that when a withstand voltage test is conducted on ports of the circuit breaker, plum blossom contacts or leading-out terminals at the upper ports of phases A, B and C of the circuit breaker are connected together and plum blossom contacts or leading-out terminals at the lower ports of the phases A, B and C of the circuit breaker are connected together through connecting devices respectively; a high-voltage output lead of withstand voltage equipment is connected to any phase at the upper end of the circuit breaker, a ground terminal of the withstand voltage equipment is connected to any phase at the lower end of the circuit breaker, and then the withstand voltage test is conducted on the ports. By means of the method, the number of withstand voltage tests on one circuit breaker is reduced, the testing efficiency of the withstand voltage test on the AC high-voltage vacuum circuit breaker is effectively improved without addition of any excessive cost, and the method is simple and practical.
Description
Technical field
The present invention relates to the Check and Inspection of AC high voltage vacuum breaker, particularly a kind of test method of AC high voltage vacuum breaker withstand voltage properties.
Background technology
AC high voltage vacuum breaker is as major control in electric system and protection equipment, reliability is high, cut-off capacity large, be applicable to the series of advantages such as frequent operation, in all trades and professions and every field, all obtained application more and more widely.So production in enormous quantities, scale that vacuum circuit breaker has just started, this just requires will increase work efficiency in the check work of product export.
Now when AC high voltage vacuum breaker is carried out to high pressure withstand voltage test, be that A, B, C three-phase to AC high voltage vacuum breaker carries out respectively the withstand voltage and withstand voltage test over the ground of port.During withstand voltage test, will to carry out the port withstand voltage test of three times and the withstand voltage test over the ground of three times to an isolating switch.And withstand voltage test is free requirement, cause testing consuming time too many, during for the production of in enormous quantities, the scale of isolating switch, the efficiency of pressure test work just can not meet the demands.
For the problems referred to above, the efficiency that how to improve AC high voltage vacuum breaker withstand voltage test is the problem that prior art need to solve.
Summary of the invention
Technical matters to be solved by this invention is to provide a kind of test method of AC high voltage vacuum breaker withstand voltage properties, the test efficiency of raising AC high voltage vacuum breaker withstand voltage test.
For achieving the above object, technical scheme of the present invention is, a kind of test method of AC high voltage vacuum breaker withstand voltage properties, it is characterized in that: described test method is included in when isolating switch is carried out to port withstand voltage test, the upper port of isolating switch A, B, C three-phase is connected together the Mume flower contact of three-phase or leading-out terminal with coupling arrangement respectively with lower port, go up mutually the upper end any that again high-voltage output line of pressure-resistant equipment is connected to isolating switch, go up mutually the lower end any that the earth terminal of pressure-resistant equipment is connected to isolating switch, then carries out the withstand voltage test of port;
Described test method is included in when isolating switch is carried out to withstand voltage test over the ground simultaneously, the upper port of isolating switch A, B, C three-phase is connected together the Mume flower contact of three-phase or leading-out terminal with coupling arrangement respectively with lower port, go up mutually the upper end any that again high-voltage output line of pressure-resistant equipment is connected to isolating switch, the earth terminal of pressure-resistant equipment is connected on the earth point of isolating switch, then carries out withstand voltage test over the ground.
Described coupling arrangement is to weld respectively three crocodile clips after two sections of cables link together.
Described coupling arrangement is at isolating switch when the 210mm, and cable length is 230mm; At isolating switch, when the 270mm, cable length is 300mm.
A test method for AC high voltage vacuum breaker withstand voltage properties, owing to adopting above-mentioned method, the present invention reduces the withstand voltage test number of times to an isolating switch, effectively improves the test efficiency of AC high voltage vacuum breaker withstand voltage test.Without increasing any excessive cost, simple and practical.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the present invention is further detailed explanation;
Fig. 1 is the schematic diagram of the test method of a kind of AC high voltage vacuum breaker withstand voltage properties of the present invention;
Fig. 2 is the schematic diagram of withstand voltage test method in prior art;
In Fig. 1-2,1, cable; 2, crocodile clip; 3, high-voltage output line; 4, isolating switch.
Embodiment
As shown in Figure 1, the present invention, before doing withstand voltage test, makees two identical coupling arrangements, and this device is mainly comprised of three crocodile clips 2 and two sections of cables 1, and three crocodiles, 3 folders are welded on two sections of cables 1.The length of cable 1 determines according to actual conditions, and isolating switch is at a distance of the length 230mm left and right of 210mm, at a distance of the 300mm left and right of 270mm.
When isolating switch 4 is carried out to port withstand voltage test (isolating switch is in gate-dividing state), the upper port of the A of isolating switch 4, B, C three-phase and lower port are clipped in respectively to Mume flower contact or the leading-out terminal of three-phase with three crocodile clips 2 on the coupling arrangement of making, by three, be connected together, go up mutually the upper end any that again high-voltage output line of pressure-resistant equipment 3 is connected to isolating switch 4, go up mutually the lower end any that the earth terminal of pressure-resistant equipment is connected to isolating switch 4, then carries out the withstand voltage test of port.
When isolating switch 4 is carried out to withstand voltage test over the ground (isolating switch is in "on" position), the upper port of the A of isolating switch 4, B, C three-phase is clipped in to Mume flower contact or the leading-out terminal of three-phase with three crocodile clips 2 on the coupling arrangement of making, by three, be connected together, go up mutually the upper end any that again high-voltage output line of pressure-resistant equipment 3 is connected to isolating switch 4, the earth terminal of pressure-resistant equipment is connected on the earth point of isolating switch 4, then carries out withstand voltage test over the ground.
With respect to Fig. 2, the present invention, when carrying out withstand voltage test, carries out short circuit by the A of isolating switch 4, B, C three-phase, do the as a whole withstand voltage test of carrying out, with this, reduce the number of times of an isolating switch withstand voltage test, just reduced total withstand voltage test time, improved work efficiency.
By reference to the accompanying drawings the present invention is exemplarily described above; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as the various improvement that adopted technical solution of the present invention to carry out, or directly apply to other occasion without improvement, all within protection scope of the present invention.
Claims (3)
1. the test method of an AC high voltage vacuum breaker withstand voltage properties, it is characterized in that: described test method is included in when isolating switch (4) is carried out to port withstand voltage test, the upper port of the A of isolating switch (4), B, C three-phase is connected together the Mume flower contact of three-phase or leading-out terminal with coupling arrangement respectively with lower port, go up mutually the upper end any that the high-voltage output line of pressure-resistant equipment (3) is connected to isolating switch (4) again, go up mutually the lower end any that the earth terminal of pressure-resistant equipment is connected to isolating switch (4), then carries out the withstand voltage test of port;
Described test method is included in when isolating switch (4) is carried out to withstand voltage test over the ground simultaneously, the upper port of the A of isolating switch (4), B, C three-phase is connected together the Mume flower contact of three-phase or leading-out terminal with coupling arrangement respectively with lower port, go up mutually the upper end any that the high-voltage output line of pressure-resistant equipment (3) is connected to isolating switch (4) again, the earth terminal of pressure-resistant equipment is connected on the earth point of isolating switch (4), then carries out withstand voltage test over the ground.
2. the test method of a kind of AC high voltage vacuum breaker withstand voltage properties according to claim 1, is characterized in that: described coupling arrangement is to weld respectively three crocodile clips (2) after two sections of cables (1) link together.
3. the test method of a kind of AC high voltage vacuum breaker withstand voltage properties according to claim 1 and 2, is characterized in that: described coupling arrangement is at isolating switch (4) during at a distance of 210mm, and cable (1) length is 230mm; At isolating switch (4), when the 270mm, cable (1) length is 300mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464655.4A CN104181447A (en) | 2014-09-13 | 2014-09-13 | Testing method for withstand voltage performance of AC high-voltage vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410464655.4A CN104181447A (en) | 2014-09-13 | 2014-09-13 | Testing method for withstand voltage performance of AC high-voltage vacuum circuit breaker |
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|---|---|
| CN104181447A true CN104181447A (en) | 2014-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410464655.4A Pending CN104181447A (en) | 2014-09-13 | 2014-09-13 | Testing method for withstand voltage performance of AC high-voltage vacuum circuit breaker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866627A (en) * | 2021-11-23 | 2021-12-31 | 广东电网有限责任公司 | Automatic wiring device for electrical test of high-voltage circuit breaker |
Citations (7)
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|---|---|---|---|---|
| JPH07263098A (en) * | 1994-03-22 | 1995-10-13 | Hitachi Ltd | Short circuit connector for withstand voltage test |
| CN201548654U (en) * | 2009-10-21 | 2010-08-11 | 中国铝业股份有限公司 | Device capable of simultaneously and quickly testing multiple metal-oxide lightning arresters |
| CN202308857U (en) * | 2011-10-28 | 2012-07-04 | 山东泰开高压开关有限公司 | Withstand voltage test fixture of 252 kV combined electric appliance workshop |
| CN202502208U (en) * | 2012-03-27 | 2012-10-24 | 上海市电力公司 | Voltage-withstand testing device for isolating switch |
| US8410804B1 (en) * | 2009-02-24 | 2013-04-02 | Keithley Instruments, Inc. | Measurement system with high frequency ground switch |
| CN202975252U (en) * | 2012-12-25 | 2013-06-05 | 衡水供电公司 | Vacuum circuit breaker alternating current withstand voltage test special bracket |
| CN103852698A (en) * | 2014-03-28 | 2014-06-11 | 国网上海市电力公司 | Insulation strength testing device applicable to breaker vacuum arc-extinguishing chambers |
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2014
- 2014-09-13 CN CN201410464655.4A patent/CN104181447A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07263098A (en) * | 1994-03-22 | 1995-10-13 | Hitachi Ltd | Short circuit connector for withstand voltage test |
| US8410804B1 (en) * | 2009-02-24 | 2013-04-02 | Keithley Instruments, Inc. | Measurement system with high frequency ground switch |
| CN201548654U (en) * | 2009-10-21 | 2010-08-11 | 中国铝业股份有限公司 | Device capable of simultaneously and quickly testing multiple metal-oxide lightning arresters |
| CN202308857U (en) * | 2011-10-28 | 2012-07-04 | 山东泰开高压开关有限公司 | Withstand voltage test fixture of 252 kV combined electric appliance workshop |
| CN202502208U (en) * | 2012-03-27 | 2012-10-24 | 上海市电力公司 | Voltage-withstand testing device for isolating switch |
| CN202975252U (en) * | 2012-12-25 | 2013-06-05 | 衡水供电公司 | Vacuum circuit breaker alternating current withstand voltage test special bracket |
| CN103852698A (en) * | 2014-03-28 | 2014-06-11 | 国网上海市电力公司 | Insulation strength testing device applicable to breaker vacuum arc-extinguishing chambers |
Non-Patent Citations (1)
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| 郭慧明 等: "万能式断路器耐压可靠性自动测试系统", 《低压电器》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113866627A (en) * | 2021-11-23 | 2021-12-31 | 广东电网有限责任公司 | Automatic wiring device for electrical test of high-voltage circuit breaker |
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Application publication date: 20141203 |
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| RJ01 | Rejection of invention patent application after publication |