CN2238479Y - Aging test device for vacuum circuit breaker - Google Patents
Aging test device for vacuum circuit breaker Download PDFInfo
- Publication number
- CN2238479Y CN2238479Y CN 95221806 CN95221806U CN2238479Y CN 2238479 Y CN2238479 Y CN 2238479Y CN 95221806 CN95221806 CN 95221806 CN 95221806 U CN95221806 U CN 95221806U CN 2238479 Y CN2238479 Y CN 2238479Y
- Authority
- CN
- China
- Prior art keywords
- vacuum circuit
- breaker
- aging test
- current
- capacitor
- 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 - Lifetime
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 26
- 230000032683 aging Effects 0.000 title claims abstract description 20
- 239000003990 capacitor Substances 0.000 claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000005259 measurement Methods 0.000 claims description 8
- 230000015572 biosynthetic process Effects 0.000 claims description 5
- 238000011084 recovery Methods 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 2
- 230000002431 foraging effect Effects 0.000 abstract 1
- 230000003679 aging effect Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001360 synchronised effect Effects 0.000 description 3
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Images
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
Abstract
A synthetic loop for aging test of vacuum circuit breaker mainly comprises a power transformer T connected with a power supply1And T3Is arranged at T1And T3A current-limiting impedance X between, a disconnecting switch K and a current-limiting capacitor C3Discharging capacitor C4And a re-ignition discharge branch circuit formed by the frequency modulation reactor L. In aging test, the tested phase SP of the vacuum circuit breaker is used0Is arranged between the isolating switch K and the current-limiting capacitor C3And on the branch between the vacuum circuit breakers, the aging test is carried out on the vacuum circuit breakers through the gap closing and opening operation of the vacuum circuit breakers. The utility model discloses can solve the early problem of reigniting of vacuum circuit breaker switching capacitor bank effectively.
Description
The utility model relates to the aging test device of vacuum circuit-breaker in the electric power facility.
Vacuum circuit-breaker has obtained using widely in electrical network, and will in the mesolow electrical network, substitute old-fashioned oil circuit breaker fully, but at present because the vacuum interrupter problem of manufacturing qualities, the problem of restriking when making homemade vacuum circuit-breaker existence cut-off capacitance current, electrical network, equipment there is certain harm, harm when particularly the vacuum circuit-breaker of 35KV and above electric pressure is restriked is bigger, by ageing, can reduce the rate of restriking of vacuum circuit-breaker.The ageing method in past mostly adopts the single-phase loop ageing method of high voltage, big electric current, and power supply capacity is big, the qualification rate of test product is low, the poor stability of test but it requires, and cost is also high, so further promoted.
The purpose of this utility model provides a kind of experimental rig that can carry out the vacuum circuit-breaker aging test safely and effectively.
The utility model is a vacuum circuit-breaker aging test device, mainly comprises and synchro source E
1, E
2The power transformer T that links to each other
1With step-up transformer T
3, place T
1And T
3Between by C
3, discharging capacitor C
4And the discharge paths of restriking of frequency modulation reactor L formation, during aging test, with the tested phase SP of vacuum circuit-breaker
0Place isolating switch K and limiting capacitor C
3Between branch road on, when the vacuum breaker closing, T
3The voltage and the T that produce
1, T
3The electric current that produces is respectively at the tested phase SP of vacuum circuit-breaker
0The normal working voltage of last formation loop and normal running current loop; During separating brake, T
3The power-frequency voltage and the C that produce
3After-applied and the SP of voltage phase superposition that keeps
0Two ends form recovery voltage, thereby have simulated actual capacity current excision process.
For making the utility model can reach desirable ageing effect at the trial, current-limiting impedance X described in the utility model preferentially adopts capacitor C
1Or inductor, isolating switch K preferentially adopts the non-tested phase SP of the vacuum circuit-breaker of series connection
1And SP
2, make voltage circuit and the current circuit in the device can be synchronous automatically, simultaneously at T
1And T
3Between insert voltage regulating transformer T
2, so that can produce suitable voltage.In addition at SP
0Two ends are provided with the measurement loop that is made of recovery voltage measurement voltage divider FYf and bus voltage measurement voltage divider FYm; At T
3And restrike overvoltage protection lightning arrester MOA is set between the discharge paths.
The utility model compared with prior art, because voltage circuit, current circuit, the discharge paths of restriking, device element parameters such as measurement loop all can independently be matched, and it is good to have security performance, and experimentation cost is low, the high excellent characteristics of arc control device rate of finished products are utilized the non-tested phase SP of vacuum circuit-breaker especially dexterously
1, SP
2As isolating switch, solved the synchronous and isolating problem of voltage circuit and current circuit effectively, make voltage circuit and the current circuit can be synchronous automatically, and in to tested phase ageing, to the non-tested effect of playing pre-ageing mutually, make structure of the present utility model comparatively simple simultaneously, require also lower to power supply capacity during test.In addition, by C
3, C
4And the discharge paths of restriking of L formation, simulated the actual discharging current of restriking effectively, improved the ageing effect.The utility model is used through actual tests, can solve vacuum circuit-breaker effectively and suit the capacitor group problem of restriking in early days, is particularly useful for the aging test of the vacuum circuit-breaker of 35KV and above electric pressure; Also be applicable to simultaneously oil circuit breaker, SF
6The test that the capacitive of circuit breaker, perception are cut-off.
Accompanying drawing has provided structure principle chart of the present utility model.
Fig. 1 is a basic structure schematic diagram of the present utility model.
Fig. 2 is the structure principle chart of embodiment described in the utility model.
Below in conjunction with embodiment the utility model is further described:
By power supply E
1The power supply that provides inserts power transformer T
1Primary side, secondary side one end ground connection, an end is divided into two the tunnel, the one tunnel and seals in capacitor C
1, measure current transformer CT
1, the non-tested phase SP of circuit breaker
1, SP
2, measure current transformer CT
2, the tested phase SP of circuit breaker
0After go into ground, another road powers behind voltage regulator T2 and gives power transformer T
3, T
3Secondary side one end ground connection, the other end seals in limiting capacitor C
3, CT
2, SP
0After go into ground.Simultaneously, C
1Near CT
1One end is connected to overvoltage protection absorption capacitor C over the ground
2, CT
2, SP
0The two ends of series loop are connected to measures the voltage divider FYf that recovery voltage is used, T
3Output be connected to overvoltage protection zinc oxide arrester MOA, by discharging capacitor C
4, frequency modulation reactor L restrike discharge paths and the voltage measurement voltage divider FYm that are composed in series, at T
2Output also be connected to monitoring voltage net voltmeter V.
Experimental condition during test: test voltage: 35KV; Test current: 400A;---0.3 second---branch of mode of operation: close; Test number (TN): do not restrike for continuous 50 times.
When the test product separating brake, T
3The voltage that produces passes through C
3Be added in SP
0Two ends, form the normal working voltage of circuit breaker; When test product closes a floodgate, T
1An electric current I c part that produces is passed through C
1, SP
1, SP
2Flow through SP
0, T
3An electric current I p part that produces is through C
3SP also flows through
0Thereby, at SP
0On synthesized a normal running current Ih of circuit breaker, leading 90 ° in the phase place of this electric current than voltage; In the moment of test product separating brake, electric current not during zero passage the electric arc between contact of breaker burn away, this electric arc plays the ageing effect to vacuum interrupter, the electric arc breath goes out when current over-zero.At this moment C
3The voltage of last maintenance is T
3The maximum that produces voltage is
Ut doubly
3, SP behind half cycle
0The voltage at two ends is
Ut doubly
3, the recovery voltage Uf when promptly the circuit breaker capacitive load cut-offs; As not reaching the purpose of ageing, SP as yet
0Can hold overvoltage and puncture again when can't stand separating brake, formation is restriked, C when restriking
3, C
4The energy of last storage by L to SP
0Discharge rises the fault of contact surface in the arc control device and further to burn cleaning action; When continuous 50 operations can think when not occurring restriking that tested phase ageing finishes.
Claims (4)
1, a kind of vacuum circuit-breaker aging test device comprises the power transformer T that links to each other with power supply
1And T
3, the tested phase SP of vacuum circuit-breaker
0Place T
1And T
3Between, it is characterized in that also comprising placing T
1And SP
0Between current-limiting impedance X, isolating switch K places SP
0And T
3Between by limiting capacitor C
3, discharging capacitor C
4And the discharge paths of restriking of frequency modulation reactor L formation.
2, by the described vacuum circuit-breaker aging test of claim 1 device, it is characterized in that described current-limiting impedance X is capacitor C
1Or inductor, isolating switch K is the non-tested phase SP of circuit breaker of series connection
1And SP
2
3, by claim 1 or 2 described vacuum circuit-breaker aging test devices, it is characterized in that T
1And T
3Between also simultaneously and meet voltage regulating transformer T
2
4, by claim 1 or 2 described vacuum circuit-breaker aging test devices, it is characterized in that at tested phase SP
0Two ends are provided with the measurement loop that is made of recovery voltage measurement voltage divider FYf and bus voltage measurement voltage divider FYm simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95221806 CN2238479Y (en) | 1995-09-06 | 1995-09-06 | Aging test device for vacuum circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 95221806 CN2238479Y (en) | 1995-09-06 | 1995-09-06 | Aging test device for vacuum circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2238479Y true CN2238479Y (en) | 1996-10-23 |
Family
ID=33869320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 95221806 Expired - Lifetime CN2238479Y (en) | 1995-09-06 | 1995-09-06 | Aging test device for vacuum circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2238479Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102103940A (en) * | 2009-12-21 | 2011-06-22 | 中国振华电子集团宇光电工有限公司 | Vacuum arc extinguish chamber capacitive treating method and device |
| CN101699308B (en) * | 2009-11-20 | 2011-08-10 | 宁波福泰电器有限公司 | Aging device of LED tube |
| CN102332366A (en) * | 2011-06-21 | 2012-01-25 | 中国振华电子集团宇光电工有限公司 | Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber |
| CN102426954A (en) * | 2011-11-17 | 2012-04-25 | 西安交通大学 | Nanosecond continuous pulse aging device and method for vacuum arc-extinguishing chamber |
| CN110376515A (en) * | 2019-07-10 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC high-speed switch direct current sky fills current breaking test method |
| CN110428999A (en) * | 2019-07-26 | 2019-11-08 | 大连理工大学 | A kind of externally-applied magnetic field control system of vacuum circuit breaker with multi breaks voltage's distribiuting |
| CN113764217A (en) * | 2021-08-24 | 2021-12-07 | 西安交通大学 | Vacuum arc-extinguishing chamber pulse voltage aging method capable of automatically adjusting aging energy |
| RU2814467C1 (en) * | 2023-03-28 | 2024-02-29 | Акционерное общество "Рязанский завод металлокерамических приборов" (АО "РЗМКП") | Method of training vacuum reed switches |
-
1995
- 1995-09-06 CN CN 95221806 patent/CN2238479Y/en not_active Expired - Lifetime
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101699308B (en) * | 2009-11-20 | 2011-08-10 | 宁波福泰电器有限公司 | Aging device of LED tube |
| CN102103940A (en) * | 2009-12-21 | 2011-06-22 | 中国振华电子集团宇光电工有限公司 | Vacuum arc extinguish chamber capacitive treating method and device |
| CN102103940B (en) * | 2009-12-21 | 2013-04-17 | 中国振华电子集团宇光电工有限公司 | Vacuum arc extinguish chamber capacitive treating method and device |
| CN102332366A (en) * | 2011-06-21 | 2012-01-25 | 中国振华电子集团宇光电工有限公司 | Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber |
| CN102332366B (en) * | 2011-06-21 | 2013-08-14 | 中国振华电子集团宇光电工有限公司 | Combination device for testing large current aging and vacuum degree of a vacuum arc extinguish chamber |
| CN102426954A (en) * | 2011-11-17 | 2012-04-25 | 西安交通大学 | Nanosecond continuous pulse aging device and method for vacuum arc-extinguishing chamber |
| CN110376515A (en) * | 2019-07-10 | 2019-10-25 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | A kind of DC high-speed switch direct current sky fills current breaking test method |
| CN110376515B (en) * | 2019-07-10 | 2021-11-23 | 中国南方电网有限责任公司超高压输电公司检修试验中心 | DC high-speed switch DC air charging current on-off test method |
| CN110428999A (en) * | 2019-07-26 | 2019-11-08 | 大连理工大学 | A kind of externally-applied magnetic field control system of vacuum circuit breaker with multi breaks voltage's distribiuting |
| CN113764217A (en) * | 2021-08-24 | 2021-12-07 | 西安交通大学 | Vacuum arc-extinguishing chamber pulse voltage aging method capable of automatically adjusting aging energy |
| CN113764217B (en) * | 2021-08-24 | 2022-06-07 | 西安交通大学 | Vacuum arc-extinguishing chamber pulse voltage aging method capable of automatically adjusting aging energy |
| RU2814467C1 (en) * | 2023-03-28 | 2024-02-29 | Акционерное общество "Рязанский завод металлокерамических приборов" (АО "РЗМКП") | Method of training vacuum reed switches |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |