CN102033197A - Direct current (DC) converter valve non-periodic triggering test method using improved time delay method - Google Patents
Direct current (DC) converter valve non-periodic triggering test method using improved time delay method Download PDFInfo
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Abstract
The invention relates to a direct current (DC) converter valve non-periodic triggering test method using an improved time delay method. The method comprises the following steps: selecting an independent delay timer, and placing the independent delay timer in a shielding device; adjusting parameters of a surge generator; supplementing energy to a pole plate of a converter valve, and simultaneously charging the surge generator; surging to trigger ignition, connecting the triggered electric signals of the surge generator to the independent delay timer by an electric/optic conversion-optical fiber-optic/electric conversion device, and using the signals as input signals of the independent delay timer; and when the surge voltage reaches a peak value, triggering a valve to be tested to be switched on. By placing the independent delay timer in the shielding chamber, the technical scheme provided by the invention can ensure the safety of personnel and decrease the number of times for going into/out of the test area, improves the working efficiency and effectively solves the problems of poor on-site time delay interference rejection and inaccurate time delay.
Description
Technical field
Trigger test method the non-periodic that the present invention relates to a kind of field of power electronics, and the DC converter valve that specifically relates to a kind of application enhancements time-delay method triggers test method non-periodic.
Background technology
Along with the fast development of UHV (ultra-high voltage) and extra-high voltage direct-current transmission engineering construction, the development requirement of high voltage direct current converter valve Study on testing method and test unit strengthens day by day.The ability of thyristor and auxiliary circuit withstand voltage current stress when the fundamental purpose that triggers single valve non-periodic test is checking thyristor is opened under maximum working voltage and non-periodic stress condition.The critical problem of this test is that thyristor valve is conducting when surge voltage reaches maximal value, could carry out the harshest test to valve, if ON time mistake, then test failure.So delay time is vital with stablizing for test accurately, and in test, because the voltage height, electric current is very big, electromagnetic interference (EMI) is very serious in the test loop, and the problem that solves the chronotron poor anti jamming capability has become the key point and the difficult point of test.
Existing chronotron using method is that chronotron is placed in the impact body control box, and control box has function of shielding and ground connection, with the input as chronotron of the trigger pip of impact body.All kinds of corrupt practices creep in to use this kind time-delay method, as when time-delay being set or searching problem, need enter the test block, need safety practice and enter the test block, frequently entering the test block has increased the unnecessary time, and needs sometimes to cooperate surge voltage to search problem, and danger is bigger; When surge voltage raises, time-delay mechanism antijamming capability variation, time-delay is unstable, and voltage is high more, and stability is poor more, causes test failure, and test can't be proceeded.
Summary of the invention
The object of the present invention is to provide a kind of DC converter valve of application enhancements time-delay method to trigger test method non-periodic, use this method can guarantee personnel's the safety and the time of minimizing discrepancy test block, increase work efficiency, and effectively solved delay time on the spot poor anti jamming capability and the coarse problem of time-delay.
The DC converter valve of application enhancements time-delay method provided by the invention triggers test method non-periodic, and its improvements are, said method comprising the steps of:
A, select the independent delay device for use, the independent delay device is positioned in the shielding device;
B, adjustment surge generator parameter;
C, give converter valve gate pole plate complementary energy, charge to surge generator in the time of complementary energy;
D, impact trigger igniting, and surge generator is triggered electric signal by electric light conversion-optical fiber-photoelectric conversion device, are connected to the independent delay device, as the input signal of independent delay device;
The conducting that when surge voltage reaches peak value, is triggered of E, test product valve.
In a kind of optimal technical scheme provided by the invention: before on-test, independent delay device 1 is positioned in the screened room 2, it is 250us that independent delay device 1 delay value is set, and need not enter the test block;
Among the described step B, adjust surge generator D parameter and comprise wave front resistance R2, wave rear resistance R 1 and the harmonic inductance L of regulating impulse voltage generator D, make test product valve Vt 250us (± 5us) two ends reach voltage peak;
Among the described step C, during on-test, give converter valve gate pole plate complementary energy, killer switch one S1 and killer switch two S2 disconnect during complementary energy, at this moment protective resistance R3 branch road ground connection, test product valve Vt and complementary energy power supply T1 serial connection are given surge generator D charging in the time of complementary energy;
Among the described step D, impact and trigger igniting, and surge generator D triggered electric signal by electric light conversion-optical fiber-photoelectric conversion device, at this moment electrical signal conversion is a light signal, utilize optical fiber 3 transmission, convert light signal to electric signal again, be connected to independent delay device 1, as the input signal of independent delay device 1;
In the described step e, through 250us, surge voltage reaches voltage peak, simultaneously independent delay device 1 output signal to VBE, VBE sends trigger pip for test product valve Vt, the test product valve Vt conducting that is triggered.
In the another kind of optimal technical scheme provided by the invention: described independent delay device 1 delay value was determined by the operating impulse voltage wave head time, the blasting operation ripple reference waveform wave head time is 250us (± 20%), by adjusting surge generator D parameter, the fixing operation wave-wave head time be 250us (± 5us), independent delay device 1 delay time is 250us.
Compared with prior art, the beneficial effect of technical scheme provided by the invention is:
The DC converter valve of application enhancements time-delay method provided by the invention triggers test method non-periodic, and the independent delay device is put in the screened room, and control is convenient, saves time, and is safe and reliable; Technical scheme provided by the invention is a light signal with electrical signal conversion, utilizes Optical Fiber Transmission, sends in the screened room, convert light signal to electric signal again,, effectively shielded the electromagnetic interference (EMI) in the test as the input signal of chronotron, antijamming capability is strengthened, and increases the reliability of test; Chronotron can carry out the time-delay of delicate level accurately, makes the success of the test rate reach 100%.
Description of drawings
Fig. 1 is that the independent delay device triggers using method schematic diagram in the test in non-periodic.
Embodiment
The present invention is described in further detail with concrete technical scheme below in conjunction with accompanying drawing.
Be that the independent delay device triggers using method schematic diagram in the test in non-periodic as shown in Figure 1, comprise independent delay device 1, screened room 2, optical fiber 3, VBE, impulse voltage generator D, harmonic inductance L, complementary energy capacitor C 2, protective resistance R3, current-limiting resistance R4, RC divider 4, killer switch one S1 and killer switch two S2, complementary energy power supply T1 and test product valve Vt.Surge generator D comprises wave rear resistance R 1, wave front resistance R2, body capacitor C 1 and ignition pill crack 5, body capacitor C 1 and the output of wave rear resistance R 1 one end ground connection, body capacitor C 1 is connected with wave front resistance by ignition pill crack 5, wave rear resistance R 1 is exported at wave front resistance R2 one end with after wave front resistance R2 is connected.RC divider 4 comprises resistance R 5, capacitor C 3 and the C4 of series connection successively; Current-limiting resistance R4 and 2 series connection of complementary energy capacitor C; Surge generator D, RC divider 4, current-limiting resistance R4-complementary energy capacitor C 2 branch roads back in parallel successively ground connection; When killer switch S1 and S2 disconnect, complementary energy power supply T1, test product valve Vt and protective resistance R3 series connection ground connection; When killer switch S1 and S2 are closed; complementary energy power supply T1 is by killer switch S2 ground connection; test product valve Vt, protective resistance R3 is by killer switch S1 and current-limiting resistance R4-complementary energy capacitor C 2 branch roads and RC divider 4 backs in parallel and harmonic inductance L series connection impulse voltage generator D.
Before on-test, independent delay device 1 is positioned in the screened room 2, it is 250us that independent delay device 1 delay value is set, and need not enter the test block; Adjust surge generator D parameter and comprise wave front resistance R2, wave rear resistance R 1 and the harmonic inductance L of regulating impulse voltage generator D, make test product valve Vt 250us (± 5us) two ends reach voltage peak.
During on-test, give converter valve gate pole plate complementary energy, killer switch one S1 and killer switch two S2 disconnect during complementary energy, protective resistance R3 branch road ground connection at this moment, and test product valve Vt and complementary energy power supply T1 serial connection are given surge generator D charging in the time of complementary energy; After complementary energy is finished, close circuit breaker switch one S1 and killer switch two S2, impact and trigger igniting, and surge generator D triggered electric signal by electric light conversion-optical fiber-photoelectric conversion device, at this moment electrical signal conversion is a light signal, utilizes optical fiber 3 transmission, converts light signal to electric signal again, be connected to independent delay device 1, as the input signal of independent delay device 1; Through 250us, surge voltage reaches voltage peak, simultaneously independent delay device 1 output signal to VBE, VBE sends trigger pip for test product valve Vt, the test product valve Vt conducting that is triggered.
Surge generator D produces the blasting operation voltage waveform, to 2 chargings of complementary energy capacitor C, when surge voltage reaches maximal value, complementary energy capacitor C 2 charging voltages are the highest, trigger test product valve Vt conducting this moment, complementary energy capacitor C 2 discharges big electric current and flows through test product valve Vt, thereby the ability of test test product valve Vt withstand voltage electric current, and the moment of triggering the valve conducting in this process is most important, triggering ignition signal with surge generator D is independent delay device 1 input signal, and independent delay device 1 delay time is by the wave head time decision of operating impulse voltage.
The advantage that the DC converter valve of application enhancements time-delay method provided by the invention triggers test method non-periodic is:
1, the independent delay device is put in the screened room, and control is convenient, saves time, and is safe and reliable.
2, antijamming capability is strong, and technical scheme provided by the invention is a light signal with electrical signal conversion, utilizes Optical Fiber Transmission, convert light signal to electric signal again, send into the independent delay device time-delay in the screened room then, effectively shielded the electromagnetic interference (EMI) in the test, increased the reliability of test.
3, the time-delay of independent delay device is precisely tested time-delay in delicate level, and chronotron can be delayed time accurately, makes the success of the test rate reach 100%.
Should be noted that at last: illustrate that in conjunction with the foregoing description technical scheme of the present invention is not intended to limit.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 the specific embodiment of the present invention, but these modifications or change are all among the claim protection domain that application is awaited the reply.
Claims (3)
1. the DC converter valve of an application enhancements time-delay method triggers test method non-periodic, it is characterized in that said method comprising the steps of:
A, select the independent delay device for use, the independent delay device is positioned in the shielding device;
B, adjustment surge generator parameter;
C, give converter valve gate pole plate complementary energy, charge to surge generator in the time of complementary energy;
D, impact trigger igniting, and surge generator is triggered electric signal by electric light conversion-optical fiber-photoelectric conversion device, are connected to the independent delay device, as the input signal of independent delay device;
The conducting that when surge voltage reaches peak value, is triggered of E, test product valve.
2. the DC converter valve of a kind of application enhancements time-delay method as claimed in claim 1 triggers test method non-periodic, it is characterized in that: before on-test, independent delay device (1) is positioned in the screened room (2), and it is 250us that independent delay device (1) delay value is set, and need not enter the test block;
Among the described step B, adjust surge generator (D) parameter and comprise wave front resistance (R2), wave rear resistance (R1) and the harmonic inductance (L) of regulating impulse voltage generator (D), make test product valve (Vt) 250us (± 5us) two ends reach voltage peak;
Among the described step C, during on-test, give converter valve gate pole plate complementary energy, killer switch one (S1) and killer switch two (S2) all disconnect during complementary energy, at this moment protective resistance (R3) branch road ground connection, test product valve (Vt) and complementary energy power supply (T1) serial connection are given surge generator (D) charging in the time of complementary energy;
Among the described step D, impact and trigger igniting, and surge generator (D) triggered electric signal by electric light conversion-optical fiber-photoelectric conversion device, at this moment electrical signal conversion is a light signal, utilize optical fiber (3) transmission, convert light signal to electric signal again, be connected to independent delay device (1), as the input signal of independent delay device (1);
In the described step e, through 250us, surge voltage reaches voltage peak, simultaneously independent delay device (1) output signal to VBE, VBE sends trigger pip for test product valve (Vt), test product valve (Vt) conducting that is triggered.
3. the DC converter valve of a kind of application enhancements time-delay method as claimed in claim 2 triggers test method non-periodic, it is characterized in that: described independent delay device (1) delay value was determined by the operating impulse voltage wave head time, the blasting operation ripple reference waveform wave head time is 250us (± 20%), by adjusting surge generator (D) parameter, the fixing operation wave-wave head time be 250us (± 5us), independent delay device (1) delay time is 250us.
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486516A (en) * | 2010-12-01 | 2012-06-06 | 中国电力科学研究院 | Nonperiodic trigger test method for direct current converter valve |
| CN103033725A (en) * | 2012-12-04 | 2013-04-10 | 国网智能电网研究院 | Impact voltage applying time control system and method thereof |
| CN103048601A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Testing method and device for non-periodically triggering parallel capacitors by thyristor |
| CN103048602A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Turn-on characteristic testing apparatus of large power semiconductor device |
| CN103675660A (en) * | 2013-11-27 | 2014-03-26 | 中国西电电气股份有限公司 | Extra-high-voltage converter valve recovery period transient forward voltage test loop and test method thereof |
| CN107294519A (en) * | 2017-05-08 | 2017-10-24 | 南京南瑞继保电气有限公司 | The method and device of signal distribution processor |
| CN107957536A (en) * | 2017-10-16 | 2018-04-24 | 许继电气股份有限公司 | Sychronisation and pilot system are tested in a kind of aperiodic triggering of direct-current transmission converter valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432366A (en) * | 1977-08-16 | 1979-03-09 | Danfoss As | Limit value monitor for ac signal |
| US5386542A (en) * | 1991-10-31 | 1995-01-31 | International Business Machines Corporation | System for generating a time reference value in the MAC layer of an ISO/OSI communications model among a plurality of nodes |
| CN201096849Y (en) * | 2007-09-18 | 2008-08-06 | 中国电力科学研究院 | A high level voltage measuring system for high-voltage DC transmission conversion valve |
| CN101800482A (en) * | 2010-02-11 | 2010-08-11 | 株洲南车时代电气股份有限公司 | Dephasing superpower thyristor pulse trigger |
-
2010
- 2010-10-18 CN CN201010517298.5A patent/CN102033197B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5432366A (en) * | 1977-08-16 | 1979-03-09 | Danfoss As | Limit value monitor for ac signal |
| US5386542A (en) * | 1991-10-31 | 1995-01-31 | International Business Machines Corporation | System for generating a time reference value in the MAC layer of an ISO/OSI communications model among a plurality of nodes |
| CN201096849Y (en) * | 2007-09-18 | 2008-08-06 | 中国电力科学研究院 | A high level voltage measuring system for high-voltage DC transmission conversion valve |
| CN101800482A (en) * | 2010-02-11 | 2010-08-11 | 株洲南车时代电气股份有限公司 | Dephasing superpower thyristor pulse trigger |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102486516A (en) * | 2010-12-01 | 2012-06-06 | 中国电力科学研究院 | Nonperiodic trigger test method for direct current converter valve |
| CN103033725A (en) * | 2012-12-04 | 2013-04-10 | 国网智能电网研究院 | Impact voltage applying time control system and method thereof |
| CN103033725B (en) * | 2012-12-04 | 2015-04-29 | 国网智能电网研究院 | Impact voltage applying time control system and method thereof |
| CN103048601A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Testing method and device for non-periodically triggering parallel capacitors by thyristor |
| CN103048602A (en) * | 2012-12-13 | 2013-04-17 | 国网智能电网研究院 | Turn-on characteristic testing apparatus of large power semiconductor device |
| CN103048601B (en) * | 2012-12-13 | 2015-06-10 | 国网智能电网研究院 | Testing method and device for non-periodically triggering parallel capacitors by thyristor |
| CN103675660A (en) * | 2013-11-27 | 2014-03-26 | 中国西电电气股份有限公司 | Extra-high-voltage converter valve recovery period transient forward voltage test loop and test method thereof |
| CN103675660B (en) * | 2013-11-27 | 2016-04-06 | 中国西电电气股份有限公司 | Extra-high-voltage converter valve recovery period transient forward voltage test loop and test method thereof |
| CN107294519A (en) * | 2017-05-08 | 2017-10-24 | 南京南瑞继保电气有限公司 | The method and device of signal distribution processor |
| CN107294519B (en) * | 2017-05-08 | 2020-12-18 | 南京南瑞继保电气有限公司 | Signal distribution processing method and device |
| CN107957536A (en) * | 2017-10-16 | 2018-04-24 | 许继电气股份有限公司 | Sychronisation and pilot system are tested in a kind of aperiodic triggering of direct-current transmission converter valve |
| CN107957536B (en) * | 2017-10-16 | 2019-12-10 | 许继电气股份有限公司 | Non-periodic trigger test synchronization device and non-periodic trigger test system for direct-current transmission converter valve |
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