CN201926741U - Synthetic test device for DC power transmission converter valve - Google Patents
Synthetic test device for DC power transmission converter valve Download PDFInfo
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- CN201926741U CN201926741U CN2010206455099U CN201020645509U CN201926741U CN 201926741 U CN201926741 U CN 201926741U CN 2010206455099 U CN2010206455099 U CN 2010206455099U CN 201020645509 U CN201020645509 U CN 201020645509U CN 201926741 U CN201926741 U CN 201926741U
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- 238000012360 testing method Methods 0.000 title claims abstract description 81
- 230000005540 biological transmission Effects 0.000 title claims abstract description 21
- 239000003990 capacitor Substances 0.000 claims description 30
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 238000007600 charging Methods 0.000 description 8
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 230000010355 oscillation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000035882 stress Effects 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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Abstract
The utility model provides a synthetic test device for a DC power transmission converter valve, comprising a sample valve Vt, a high voltage source (1), a high voltage source (2) and a DC heavy-current source, wherein the auxiliary valve V5 in the DC heavy-current source is connected in series with the sample valve Vt to form the bridge arm of a six-pulse bridge rectifier B6 in the DC heavy-current source; the high voltage source (1), the high voltage source (2) and the sample valve Vt are connected in parallel; and the sample valve Vt is grounded. In the synthetic test device provided by the utility model, the two independent high voltage sources are utilized to provide forward and reverse high voltages in blocking period for the sample valve, so as to obtain asymmetrical blocking voltages, enable the voltage borne by the sample valve to be closer to practical operation conditions, and take a better test effect. In addition, by altering control sequence in time, various voltage combinations are realized, the test scheme selection range is large, the mode is flexible, and the application range is wide.
Description
Technical field
The utility model relates to a kind of direct-current transmission converter valve test unit, specifically relates to a kind of high voltage direct current transmission converter valve synthetic test device.
Background technology
Increase along with the power semiconductor device capacity, high voltage dc transmission technology based on the high-pressure series semiconductor device art is developed rapidly, large-scale application worldwide, and brought into play the good technical advantage aspect interconnected at long distance power transmission and large scale electric network, obtained good economic benefit.DC converter valve is the key equipment of DC transmission system, and along with the raising of direct-current transmission voltage, transmission capacity, the reliable importance of DC converter valve is more outstanding.For improving and ensure the designing quality of DC converter valve, guarantee DC converter valve safety, true(-)running under various stable states, transient state service condition, it is a kind of essential means that converter valve is tested.Because modern direct-current transmission converter valve has operating voltage height, big, the capacious characteristics of electric current, be difficult in to make up in the experimental enviroment and test with the identical full live road of actual operating mode, providing of test capacity is provided, generally adopts at present the method for synthetic test to carry out the running test of DC converter valve.Compound experiment adopts two cover power-supply systems to act on the converter valve test product, is respectively D.C. high-current source and high voltage source.The D.C. high-current source provides running current, high voltage source provides high-voltage strength, during test the electric current of D.C. high-current source output and the voltage of high voltage source output are alternately put on the tested converter valve electric current, voltage, the thermal stress of in actual motion, being born with equivalent test product according to power frequency.Though the complicacy that this has increased circuit control to a certain extent can reduce the experiment power supply capacity greatly, reduces investment outlay.But, synthetic its high voltage source of hookup of existing in the world several covers is formed by oscillation circuit, its distinguishing feature is that the high voltage that is provided is positive and negative symmetry, and forward and reverse voltage that converter valve is born in actual motion is not positive and negative symmetry, though test can be satisfied the common engineering requirement, but its equivalence is desirable not to the utmost.
The utility model content
The purpose of this utility model is to provide a kind of high voltage direct current transmission converter valve synthetic test device, and institute's pressure that bears is near consistent in this device test product valve pressure in test and the actual operating mode.
For achieving the above object, the utility model adopts following proposal:
A kind of high voltage direct current transmission converter valve synthetic test device, its improvements are: described device comprises test product valve Vt, high voltage source 1, high voltage source 2 and D.C. high-current source; Auxiliary valve V5 series connection test product valve Vt in the described D.C. high-current source forms the brachium pontis of 6 fluctuation bridge rectifier B6 in the D.C. high-current source; Described high voltage source 1, high voltage source 2 and test product valve Vt parallel connection; Described test product valve Vt ground connection.
A kind of optimized technical scheme that the utility model provides is: described high voltage source 1 comprises DC current source T1, auxiliary valve VS1, V1 and V2, capacitor C 1 and C2, inductance L 1, L2 and L3; The anodal anode that connects auxiliary valve VS1 of described DC current source T1; Described auxiliary valve VS1, inductance L 1, auxiliary valve V1, inductance L 2, inductance L 3 and auxiliary valve V2 connect successively; Described DC current source T1, capacitor C 1 and capacitor C 2 are in parallel successively; Described capacitor C 1 is connected between auxiliary valve VS1 and the inductance L 1; Described capacitor C 2 is connected between inductance L 2 and the inductance L 3; Described high voltage source 2 comprises DC current source T2, auxiliary valve VS2, V3 and V4, capacitor C 3 and C4, inductance L 4, L5 and L6; The anodal anode that connects auxiliary valve VS2 of described DC current source T2; Described auxiliary valve VS2, inductance L 4, auxiliary valve V3, inductance L 5, inductance L 6 and auxiliary valve V4 connect successively; Described DC current source T2, capacitor C 3 and capacitor C 4 are in parallel successively; Described capacitor C 3 is connected between auxiliary valve VS2 and the inductance L 4; Described capacitor C 4 is connected between inductance L 5 and the inductance L 6; Described high voltage source 1 and high voltage source 2 ground connection.
Second kind of optimized technical scheme that the utility model provides is: described auxiliary valve V1 and auxiliary valve V2 form by antiparallel forward auxiliary valve and reverse auxiliary valve.
The third optimized technical scheme that the utility model provides is: described D.C. high-current source comprises strong current transformer T, 6 fluctuation bridge rectifier B6, auxiliary valve V5, inductance L, current limiting reactor, disconnector one, disconnector two, isolating switch and 10KV bus; Described strong current transformer T, current limiting reactor, disconnector one, isolating switch, disconnector two and 10KV bus are connected successively; Described strong current transformer T connects with auxiliary valve V5 by 6 fluctuation bridge rectifier B6; Described 6 fluctuation bridge rectifier B6 export to inductance L; Described inductance L and 6 fluctuation bridge rectifier B6 ground connection.
Compared with prior art, the beneficial effects of the utility model are:
1, the high voltage direct current converter valve synthetic test device that provides of the utility model, by two independently high voltage source be divided into for test product valve forward and reverse high pressure during the blocking-up be provided, to obtain asymmetric blocking voltage, make voltage that test product valve bore more near actual operating mode, test effect is better.
2, the high voltage direct current converter valve synthetic test device that provides of the utility model, by changing control timing, realize the multiple voltage combination, select array mode flexibly according to different tests project and test product design feature, the testing program choice is big, mode is flexible, applied widely.
Description of drawings
Fig. 1 is a high voltage direct current converter valve synthetic test manipulated or operated apparatus;
Fig. 2 is voltage, the current waveform of test product valve under two injection way;
Fig. 3 is voltage, the current waveform of test product valve under three injection way;
Wherein: Vt-test product valve, VS1, VS2, V1, V2, V3, V4 and V5-auxiliary valve, L1, L2, L3, L4, L5, L6-inductance, C1, C2, C3 and C4-electric capacity, B6-6 fluctuation bridge rectifier.
Embodiment
The utility model is described in further detail below in conjunction with positive.
Fig. 1 high voltage direct current transmission converter valve synthetic test manipulated or operated apparatus, this device comprises test product valve Vt, high voltage source 1, high voltage source 2 and D.C. high-current source; Auxiliary valve V5 series connection test product valve Vt in the D.C. high-current source forms the brachium pontis of 6 fluctuation bridge rectifier B6 in the D.C. high-current source; High voltage source 1, high voltage source 2 and test product valve Vt parallel connection; Test product valve Vt ground connection.
The D.C. high-current source comprises strong current transformer T, 6 fluctuation bridge rectifier B6, auxiliary valve V5, inductance L, current limiting reactor, disconnector one, disconnector two, isolating switch and 10KV bus; Strong current transformer T, current limiting reactor, disconnector, isolating switch, disconnector two and 10KV bus are connected successively; Strong current transformer T connects with auxiliary valve V5 by 6 fluctuation bridge rectifier B6; 6 fluctuation bridge rectifier B6 export to inductance L; Inductance L and 6 fluctuation bridge rectifier B6 ground connection; The big electric current in D.C. high-current source depends on the rated current of test product valve Vt between 3000A-5000A.
In test, DC current source T1 cooperates by the triggering logical sequence of auxiliary valve VS1, V1 and V2, under the vibration of the different oscillation circuits that C1, C2, L1, L2 and L3 form cooperates, produces high voltage; T2 cooperates by the triggering logical sequence of auxiliary valve VS2, V3 and V4 in the high voltage source 2, under the vibration of the different oscillation circuits that C3, C4, L4, L5 and L6 form cooperates, produces high voltage; Two high voltage sources provide forward and reverse high pressure during the blocking-up for test product valve Vt.
The 6 fluctuation bridge rectifier B6 and the auxiliary valve V5 cooperation that insert the 10kV system provide test product valve Vt the DC current of conduction period.The whole test circuit can satisfy the testing requirements of direct-current transmission converter valve by the cooperation of a D.C. high-current source and two high voltage sources.
In the high voltage direct current transmission converter valve synthetic test, basic functional principle of the present utility model under two injection mode of operations:
Fig. 2 is voltage, current cycle (20ms) waveform of test product valve under the two injection way of synthetic test method.
T0 test product valve Vt constantly bears the forward high pressure that high voltage source 1 circuit produces;
T1 opens test product valve Vt and auxiliary valve V2 constantly, the test product valve Vt that flows through of the resonance current in the high voltage source 1;
T2 introduces the DC current in the D.C. high-current source constantly, and test product valve Vt bears the DC current of conduction period;
T3 opens auxiliary valve V4 before constantly DC current is extinguished, the resonance current test product valve Vt that flows through in the high voltage source 2;
Resonance current extinguishes in the t4 moment high voltage source 2, triggers the high back voltage that bears voltage source 2 after auxiliary valve V4 makes test product valve Vt turn-off;
T5 controls charge circuit T2, VS2 constantly, C3 is high voltage source 2 chargings;
T6 controls charge circuit T1, VS1 constantly, C1 is high voltage source 1 charging, triggers auxiliary valve V2 with broad pulse, makes that test product valve Vt bore the forward high pressure of high voltage source 1 when charging finished, and hookup was prepared for the next test period.
In the high voltage direct current transmission converter valve synthetic test, the basic functional principle of the utility model circuit under three injection mode of operations:
Fig. 3 is voltage, current cycle (20ms) waveform of test product valve under synthetic test method three injection way.
T0 moment test product valve Vt bears the forward high pressure of high voltage source 1;
T1 opens test product valve Vt and auxiliary valve V2 constantly, the test product valve Vt that flows through of the resonance current in the high voltage source 1;
T2 introduces the DC current in the D.C. high-current source 1 constantly, and test product valve Vt bears the DC current of conduction period;
T3 controls charge circuit T1, VS1 constantly, C1 is high voltage source 1 charging, makes its voltage return to t0 voltage levvl constantly;
T4 opens auxiliary valve V4 before constantly DC current is extinguished, the resonance current test product valve Vt that flows through in the high voltage source 2;
Resonance current extinguishes in the t5 moment high voltage source 2, triggers the high back voltage that bears high voltage source 2 after auxiliary valve V4 makes test product valve Vt turn-off;
T6 controls charge circuit T2, VS2 constantly, C2 is high voltage source 2 chargings, imposes wide trigger pulse for simultaneously auxiliary valve V4;
T7 controls charge circuit T2, VS2 constantly, C2 is that high voltage source 2 chargings finish, and test product valve Vt bears its forward high pressure;
T8 opens test product valve Vt and auxiliary valve V4 constantly, the test product valve of flowing through once more of the resonance current in the high voltage source 2;
T9 is the resonance current zero passage constantly, opens auxiliary valve V2, and test product valve Vt will bear reverse voltage;
In the t10 moment, control charge circuit T1, VS1, C1 are high voltage source 1 charging, and hookup entered the next work period after charging finished.
Should be noted that at last: be not intended to limit in conjunction with the foregoing description explanation the technical solution of the utility model.Those of ordinary skill in the field are to be understood that: those skilled in the art can make amendment or are equal to replacement embodiment of the present utility model, but these modifications or change are all among the claim protection domain that application is awaited the reply.
Claims (4)
1. high voltage direct current transmission converter valve synthetic test device, it is characterized in that: described device comprises test product valve Vt, high voltage source (1), high voltage source (2) and D.C. high-current source; Auxiliary valve V5 series connection test product valve Vt in the described D.C. high-current source forms the brachium pontis of 6 fluctuation bridge rectifier B6 in the D.C. high-current source; Described high voltage source (1), high voltage source (2) and test product valve Vt parallel connection; Described test product valve Vt ground connection.
2. a kind of high voltage direct current transmission converter valve synthetic test device as claimed in claim 1, it is characterized in that: described high voltage source (1) comprises DC current source T1, auxiliary valve VS1, V1 and V2, capacitor C 1 and C2, inductance L 1, L2 and L3; The anodal anode that connects auxiliary valve VS1 of described DC current source T1; Described auxiliary valve VS1, inductance L 1, auxiliary valve V1, inductance L 2, inductance L 3 and auxiliary valve V2 connect successively; Described DC current source T1, capacitor C 1 and capacitor C 2 are in parallel successively; Described capacitor C 1 is connected between auxiliary valve VS1 and the inductance L 1; Described capacitor C 2 is connected between inductance L 2 and the inductance L 3; Described high voltage source (2) comprises DC current source T2, auxiliary valve VS2, V3 and V4, capacitor C 3 and C4, inductance L 4, L5 and L6; The anodal anode that connects auxiliary valve VS2 of described DC current source T2; Described auxiliary valve VS2, inductance L 4, auxiliary valve V3, inductance L 5, inductance L 6 and auxiliary valve V4 connect successively; Described DC current source T2, capacitor C 3 and capacitor C 4 are in parallel successively; Described capacitor C 3 is connected between auxiliary valve VS2 and the inductance L 4; Described capacitor C 4 is connected between inductance L 5 and the inductance L 6; Described high voltage source (1) and high voltage source (2) ground connection.
3. a kind of high voltage direct current transmission converter valve synthetic test device as claimed in claim 1 is characterized in that: described auxiliary valve V1 and auxiliary valve V2 form by antiparallel forward auxiliary valve and reverse auxiliary valve.
4. a kind of high voltage direct current transmission converter valve synthetic test device as claimed in claim 1 is characterized in that: described D.C. high-current source comprises strong current transformer T, 6 fluctuation bridge rectifier B6, auxiliary valve V5, inductance L, current limiting reactor, disconnector one, disconnector two, isolating switch and 10KV bus; Described strong current transformer T, current limiting reactor, disconnector one, isolating switch, disconnector two and 10KV bus are connected successively; Described strong current transformer T connects with auxiliary valve V5 by 6 fluctuation bridge rectifier B6; Described 6 fluctuation bridge rectifier B6 export to inductance L; Described inductance L and 6 fluctuation bridge rectifier B6 ground connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206455099U CN201926741U (en) | 2010-12-01 | 2010-12-01 | Synthetic test device for DC power transmission converter valve |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206455099U CN201926741U (en) | 2010-12-01 | 2010-12-01 | Synthetic test device for DC power transmission converter valve |
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| CN201926741U true CN201926741U (en) | 2011-08-10 |
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| CN2010206455099U Expired - Lifetime CN201926741U (en) | 2010-12-01 | 2010-12-01 | Synthetic test device for DC power transmission converter valve |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486498A (en) * | 2010-12-01 | 2012-06-06 | 中国电力科学研究院 | Composite test apparatus of high-voltage direct current transmission converter valve |
| WO2012071774A1 (en) * | 2010-12-01 | 2012-06-07 | 中国电力科学研究院 | Synthetic test method for converter valve of high voltage direct current power transmission |
| WO2017071413A1 (en) * | 2015-10-29 | 2017-05-04 | 全球能源互联网研究院 | Synthesis circuit and method for testing direct current circuit breaker by means of composite injection of high voltage and large current |
| EP2667210A3 (en) * | 2012-05-22 | 2017-08-02 | LSIS Co., Ltd. | Apparatus for testing thyristor valve |
| CN107179497A (en) * | 2016-12-28 | 2017-09-19 | 全球能源互联网研究院 | The synthetic test equipment and test method of flexible direct current converter valve and dc circuit breaker |
| CN113655324A (en) * | 2021-09-03 | 2021-11-16 | 广东电网有限责任公司广州供电局 | Converter valve operation test topology platform |
-
2010
- 2010-12-01 CN CN2010206455099U patent/CN201926741U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486498A (en) * | 2010-12-01 | 2012-06-06 | 中国电力科学研究院 | Composite test apparatus of high-voltage direct current transmission converter valve |
| WO2012071774A1 (en) * | 2010-12-01 | 2012-06-07 | 中国电力科学研究院 | Synthetic test method for converter valve of high voltage direct current power transmission |
| CN102486498B (en) * | 2010-12-01 | 2014-12-31 | 中国电力科学研究院 | Composite test apparatus of high-voltage direct current transmission converter valve |
| EP2667210A3 (en) * | 2012-05-22 | 2017-08-02 | LSIS Co., Ltd. | Apparatus for testing thyristor valve |
| WO2017071413A1 (en) * | 2015-10-29 | 2017-05-04 | 全球能源互联网研究院 | Synthesis circuit and method for testing direct current circuit breaker by means of composite injection of high voltage and large current |
| CN106646206A (en) * | 2015-10-29 | 2017-05-10 | 全球能源互联网研究院 | High-voltage heavy-current compound injection DC circuit breaker synthetic test circuit and method |
| CN106646206B (en) * | 2015-10-29 | 2019-11-08 | 全球能源互联网研究院 | The dc circuit breaker compounding testing circuit and method of the compound injection of high-voltage large current |
| CN107179497A (en) * | 2016-12-28 | 2017-09-19 | 全球能源互联网研究院 | The synthetic test equipment and test method of flexible direct current converter valve and dc circuit breaker |
| CN107179497B (en) * | 2016-12-28 | 2021-09-21 | 全球能源互联网研究院 | Synthetic test device and test method for flexible direct current converter valve and direct current breaker |
| CN113655324A (en) * | 2021-09-03 | 2021-11-16 | 广东电网有限责任公司广州供电局 | Converter valve operation test topology platform |
| CN113655324B (en) * | 2021-09-03 | 2023-05-30 | 广东电网有限责任公司广州供电局 | Converter valve operation test topology platform |
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Owner name: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140328 Owner name: STATE GRID CORPORATION OF CHINA Free format text: FORMER OWNER: CHINA ELECTRIC POWER RESEARCH INSTITUTE Effective date: 20140328 |
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Free format text: CORRECT: ADDRESS; FROM: 100192 HAIDIAN, BEIJING TO: 100031 XICHENG, BEIJING |
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Effective date of registration: 20140328 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Patentee after: State Grid Corporation of China Patentee after: China Electric Power Research Institute Address before: 100192 Beijing city Haidian District Qinghe small Camp Road No. 15 Patentee before: China Electric Power Research Institute |
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