CN103645399A - Converter valve submodule automatic test system and thyristor test circuit thereof - Google Patents
Converter valve submodule automatic test system and thyristor test circuit thereof Download PDFInfo
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- CN103645399A CN103645399A CN201310642403.1A CN201310642403A CN103645399A CN 103645399 A CN103645399 A CN 103645399A CN 201310642403 A CN201310642403 A CN 201310642403A CN 103645399 A CN103645399 A CN 103645399A
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Abstract
The invention relates to a converter valve submodule automatic test system and a thyristor test circuit thereof. The converter valve submodule automatic test system comprises a control system and the thyristor test circuit. The thyristor test circuit comprises a direct current power source (DC), a current-limiting resistor (R), an energy-storage capacitor (C), a current-limiting inductor (L), a control switch (K), a fly-wheel diode (DC) and a wiring terminal for connecting converter valve submodules. The thyristor test circuit is capable of directly testing thyristors.
Description
Technical field
The present invention relates to a kind of flexible DC power transmission converter valve submodule Auto-Test System and thyristor test circuit thereof.
Background technology
Many level VSC-HVDC flexible DC power transmission converter valve major loop topology is formed by 6n submodule SM, and each brachium pontis is in series by n submodule.Submodule is as shown in Figure 1 semibridge system submodule, comprises two IGBT, electric capacity, thyristor and by-pass switches etc.A common flexible DC power transmission converter valve engineering project comprises thousands of submodules, in enterprise's production converter valve process, need to check each performance of each submodule comprehensively, if manual testing need to carry out respectively wiring, debugging, wastes time and energy.Adopt test automatically, can reduce workload, but submodule bypass thyristor is in parallel because of the inverse parallel diode with IGBT, cannot use traditional approach to detect it.
Summary of the invention
The object of this invention is to provide a kind of flexible DC power transmission converter valve submodule Auto-Test System and thyristor test circuit thereof, the problem that cannot detect submodule bypass thyristor in order to solve prior art.
For achieving the above object, the solution of the present invention is:
A converter valve submodule Auto-Test System, comprises control system and thyristor test circuit, and thyristor test circuit comprises direct supply (DC), current-limiting resistance (R), storage capacitor (C), current-limiting inductance (L), fly-wheel diode (D
c) and for connecting the terminals of converter valve submodule, described direct supply is connected with described current-limiting resistance, current-limiting inductance, gauge tap, terminals, between the series connection point of described current-limiting resistance, current-limiting inductance and DC power cathode, be connected described storage capacitor, described fly-wheel diode is in parallel with storage capacitor, fly-wheel diode anodic bonding DC power cathode.
Described thyristor test circuit also comprises controls the gauge tap (K) that described terminals are connected with submodule to be tested.
Also comprise oscillograph, oscillograph connects described terminals.
A thyristor test circuit for Auto-Test System as claimed in claim 1, thyristor test circuit comprises direct supply (DC), current-limiting resistance (R), storage capacitor (C), current-limiting inductance (L), fly-wheel diode (D
c) and for connecting the terminals of converter valve submodule, described direct supply is connected with described current-limiting resistance, current-limiting inductance, gauge tap, terminals, between the series connection point of described current-limiting resistance, current-limiting inductance and DC power cathode, be connected described storage capacitor, described fly-wheel diode is in parallel with storage capacitor, fly-wheel diode anodic bonding DC power cathode.
Described thyristor test circuit also comprises controls the gauge tap (K) that described terminals are connected with submodule to be tested.
Thyristor test circuit of the present invention, can directly test thyristor, by test circuit, makes thyristor form forward voltage drop tube, test conduction function.
Accompanying drawing explanation
Fig. 1 is submodular circuits figure;
Fig. 2 is thyristor test circuit schematic diagram;
Fig. 3 is Auto-Test System structural drawing.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be further described in detail.
Test macro embodiment
As shown in Figure 2,3, flexible DC power transmission converter valve submodule Auto-Test System comprises control system and test circuit, control system is for being connected with connection corresponding power line with submodule to be tested, control system comprises background computer, background computer is used for issuing test instruction, control system belongs to prior art, at this, does not introduce in detail.
In order to carry out thyristor test, test circuit comprises a thyristor test circuit, and this thyristor test circuit comprises direct supply DC, current-limiting resistance R, storage capacitor C, current-limiting inductance L, sustained diode
cand for connecting the terminals of converter valve submodule, direct supply is connected with described current-limiting resistance, current-limiting inductance, gauge tap, terminals, between the series connection point of current-limiting resistance, current-limiting inductance and DC power cathode, be connected storage capacitor, fly-wheel diode is in parallel with storage capacitor, fly-wheel diode anodic bonding DC power cathode.
During on-test, first connect each power line and Communication Control line between soft straight converter valve submodule ATE (automatic test equipment) and submodule, by background computer machine transmitting system, automatically detect operating instruction; Connect actual by-pass switch, system sends by-pass switch and detects instruction, and whether check by-pass switch function is normal; Then carry out thyristor test; System detects and finishes, and removes soft straight submodule ATE (automatic test equipment) and each connecting line of submodule, changes next estrade module and tests.Oscillograph is connected to above-mentioned terminals, for display waveform, is convenient to tester and pinpoints the problems.
Thyristor test circuit also comprises controls the gauge tap K that described terminals are connected with submodule to be tested, and gauge tap K also can be controlled by control system.
Thyristor test circuit embodiment
Because thyristor test circuit is completely contained in above embodiment, so repeat no more.
Claims (5)
1. a converter valve submodule Auto-Test System, it is characterized in that, comprise control system and thyristor test circuit, thyristor test circuit comprises direct supply (DC), current-limiting resistance (R), storage capacitor (C), current-limiting inductance (L), fly-wheel diode (D
c) and for connecting the terminals of converter valve submodule, described direct supply is connected with described current-limiting resistance, current-limiting inductance, gauge tap, terminals, between the series connection point of described current-limiting resistance, current-limiting inductance and DC power cathode, be connected described storage capacitor, described fly-wheel diode is in parallel with storage capacitor, fly-wheel diode anodic bonding DC power cathode.
2. a kind of converter valve submodule Auto-Test System according to claim 1, is characterized in that, described thyristor test circuit also comprises controls the gauge tap (K) that described terminals are connected with submodule to be tested.
3. a kind of converter valve submodule Auto-Test System according to claim 1, is characterized in that, also comprises that oscillograph, oscillograph connect described terminals.
4. a thyristor test circuit for Auto-Test System as claimed in claim 1, is characterized in that, thyristor test circuit comprises direct supply (DC), current-limiting resistance (R), storage capacitor (C), current-limiting inductance (L), fly-wheel diode (D
c) and for connecting the terminals of converter valve submodule, described direct supply is connected with described current-limiting resistance, current-limiting inductance, gauge tap, terminals, between the series connection point of described current-limiting resistance, current-limiting inductance and DC power cathode, be connected described storage capacitor, described fly-wheel diode is in parallel with storage capacitor, fly-wheel diode anodic bonding DC power cathode.
5. thyristor test circuit according to claim 4, is characterized in that, described thyristor test circuit also comprises controls the gauge tap (K) that described terminals are connected with submodule to be tested.
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| CN201310642403.1A CN103645399B (en) | 2013-11-30 | 2013-11-30 | A kind of converter valve submodule Auto-Test System and thyristor test circuit thereof |
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| CN103645399B CN103645399B (en) | 2016-04-20 |
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Cited By (9)
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|---|---|---|---|---|
| CN104698395A (en) * | 2015-02-13 | 2015-06-10 | 国家电网公司 | Twin-dragging function testing system and method for MMC low-voltage moving die sub-module |
| CN104991211A (en) * | 2015-07-06 | 2015-10-21 | 国家电网公司 | High-voltage direct-current power transmission light-controlled converter valve TVM plate automatic test equipment |
| CN105044411A (en) * | 2015-09-02 | 2015-11-11 | 荣信电力电子股份有限公司 | Power module current flux test platform with load current including DC component |
| CN107390121A (en) * | 2017-07-27 | 2017-11-24 | 南京南瑞继保电气有限公司 | The hookup and method of a kind of change current valve module |
| CN107422279A (en) * | 2017-07-27 | 2017-12-01 | 南京南瑞继保电气有限公司 | A kind of change current valve module hookup and its test method |
| CN107664739A (en) * | 2016-07-28 | 2018-02-06 | 全球能源互联网研究院 | A kind of HVDC IGCTs level damping resistance dynamic parameter on-line monitoring method |
| CN108258715A (en) * | 2018-03-05 | 2018-07-06 | 南京南瑞继保电气有限公司 | A kind of bypass thyristor controlled series compensation method for inspecting and control device |
| CN111650504A (en) * | 2020-06-05 | 2020-09-11 | 全球能源互联网研究院有限公司 | Circuit and method for simulating switching-on and switching-off voltage of converter valve |
| CN113063985A (en) * | 2021-06-03 | 2021-07-02 | 清华大学 | Converter valve overcurrent and voltage-sharing test circuit, system and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104698395A (en) * | 2015-02-13 | 2015-06-10 | 国家电网公司 | Twin-dragging function testing system and method for MMC low-voltage moving die sub-module |
| CN104991211A (en) * | 2015-07-06 | 2015-10-21 | 国家电网公司 | High-voltage direct-current power transmission light-controlled converter valve TVM plate automatic test equipment |
| CN104991211B (en) * | 2015-07-06 | 2017-11-21 | 国家电网公司 | A kind of light-operated converter valve TVM plate ATEs of D.C. high voltage transmission |
| CN105044411A (en) * | 2015-09-02 | 2015-11-11 | 荣信电力电子股份有限公司 | Power module current flux test platform with load current including DC component |
| CN107664739A (en) * | 2016-07-28 | 2018-02-06 | 全球能源互联网研究院 | A kind of HVDC IGCTs level damping resistance dynamic parameter on-line monitoring method |
| CN107664739B (en) * | 2016-07-28 | 2021-01-15 | 全球能源互联网研究院 | HVDC thyristor level damping resistor dynamic parameter online monitoring method |
| CN107422279B (en) * | 2017-07-27 | 2020-06-05 | 南京南瑞继保电气有限公司 | Converter valve module test circuit and test method thereof |
| CN107422279A (en) * | 2017-07-27 | 2017-12-01 | 南京南瑞继保电气有限公司 | A kind of change current valve module hookup and its test method |
| CN107390121A (en) * | 2017-07-27 | 2017-11-24 | 南京南瑞继保电气有限公司 | The hookup and method of a kind of change current valve module |
| CN108258715A (en) * | 2018-03-05 | 2018-07-06 | 南京南瑞继保电气有限公司 | A kind of bypass thyristor controlled series compensation method for inspecting and control device |
| KR20200072554A (en) * | 2018-03-05 | 2020-06-22 | 엔알 일렉트릭 컴퍼니 리미티드 | Bypass thyristor valve group inspection method and control device |
| KR102245054B1 (en) * | 2018-03-05 | 2021-04-26 | 엔알 일렉트릭 컴퍼니 리미티드 | Bypass thyristor valve group inspection method and control device |
| EP3706276A4 (en) * | 2018-03-05 | 2021-04-28 | NR Electric Co., Ltd. | Bypass thyristor valve group inspection method and control device |
| CN108258715B (en) * | 2018-03-05 | 2022-01-14 | 南京南瑞继保电气有限公司 | Inspection method and control device for bypass thyristor valve bank |
| CN111650504A (en) * | 2020-06-05 | 2020-09-11 | 全球能源互联网研究院有限公司 | Circuit and method for simulating switching-on and switching-off voltage of converter valve |
| CN111650504B (en) * | 2020-06-05 | 2022-12-09 | 全球能源互联网研究院有限公司 | Circuit and method for simulating switching-on and switching-off voltage of converter valve |
| CN113063985A (en) * | 2021-06-03 | 2021-07-02 | 清华大学 | Converter valve overcurrent and voltage-sharing test circuit, system and method |
| CN113063985B (en) * | 2021-06-03 | 2021-08-24 | 清华大学 | Converter valve overcurrent and voltage-sharing test circuit, system and method |
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