CN102158116B - Impulse voltage generator for triggering multi-channel discharge gas spark switch - Google Patents
Impulse voltage generator for triggering multi-channel discharge gas spark switch Download PDFInfo
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- CN102158116B CN102158116B CN 201110022971 CN201110022971A CN102158116B CN 102158116 B CN102158116 B CN 102158116B CN 201110022971 CN201110022971 CN 201110022971 CN 201110022971 A CN201110022971 A CN 201110022971A CN 102158116 B CN102158116 B CN 102158116B
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- voltage generator
- metal ball
- impulse voltage
- insulating support
- airtight container
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Abstract
The invention discloses an impulse voltage generator for triggering a multi-channel discharge gas spark switch. The impulse voltage generator comprises an insulating sealed container and an impulse voltage generator core arranged in an inner chamber of the sealed container, wherein, the impulse voltage generator core arranged in the inner chamber of the sealed container forms a metallic sphere gap synchronous discharge structure though an insulating support; a wave-front resistor and a wave-tail resistor are arranged outside the insulating sealed container, a top cover is arranged on the top of the insulating sealed container, and a top cover screw extends from the top cover to the inner chamber of the sealed container and is connected with a sliding tie rod of the insulating support; the side wall of the insulating sealed container is equipped with through holes of a charge input terminal, a booster circuit output terminal and an earth terminal which are connected with the impulse voltage generator core; and an air hole is arranged on the side wall of the bottom of the insulating sealed container. The impulse voltage generator can generate continuously adjustable high impulse voltages, wherein, the waveform time parameter can be conveniently adjusted, the wave-front time is less than 10ns, and the voltage peak is 10-100kV.
Description
Technical field
The present invention relates to be applied to the impulse voltage generator in the fields such as insulation of electrical installation test, impulse power electrical source, particularly can produce the wavefront time less than the triggering multi-channel discharge gas spark switch of 10ns impact high-voltage generator.
Background technology
Gas spark switch is the core component of pulse power device.Along with the pulse power device to more high power, high repetition frequency future development, require that gas spark switch has that the voltage of bearing is high, On current large, inductance and the characteristics such as shake is low, the life-span is long.When the gas spark switch gap forms the discharge channel of a plurality of parallel connections, not only significantly reduced the current density of each discharge channel, reduced the ablation of switching arc to electrode, prolong switch life, and reduced switched inductors and conducting resistance.Therefore, multi-channel discharge gas spark switch has obtained increasingly extensive application.
Multi-channel discharge in the gas spark switch usually need to could generate under the wavefront time reaches the trigger action of surge voltage of nanosecond, and the wavefront time is shorter, the higher then multi-channel discharge of surge voltage peak value effect is better.And traditional impulse voltage generator equipment size is large, and the surge voltage wavefront time of generation is difficult to satisfy the triggering needs of multi-channel discharge gas spark switch mostly in microsecond magnitude even longer.
Multi-channel discharge gas spark switch may be operated under the different gas conditions, required trigger voltage peak value and waveform time parameter also need to adjust accordingly, and traditional impulse voltage generator often needs to adjust step by step, process is loaded down with trivial details time-consuming, puts to no little inconvenience for the flexible Application of multi-channel discharge gas spark switch.
Summary of the invention
In order to trigger multi-channel discharge gas spark switch in flexibility and reliability ground, the invention provides a kind of impulse voltage generator, can produce the wavefront time less than the impact high voltage of 10ns, voltage peak is adjustable continuously in 10～100kV, and the waveform time parameter is easy to adjust.
For achieving the above object, the present invention is achieved by the following technical solutions.
A kind of triggering multi-channel discharge gas spark switch impulse voltage generator, comprise insulation material airtight container, and be arranged on the impulse voltage generator core body of airtight container inner chamber, it is characterized in that: the impulse voltage generator core body of described airtight container inner chamber setting connects into the Marx loop in Pyatyi Metal Ball gap by insulating support, described airtight container arranged outside has wavefront resistance and wave rear resistance, the top of airtight container is provided with top cover, is extended with an insulation material top cover screw that links to each other with the sliding tie rod of insulating support from top cover to the airtight container inner chamber; Have the perforation of the charging input end that links to each other with the impulse voltage generator core body, trigger impulse input, booster circuit output and ground at the sidewall of insulation material airtight container; Be provided with pore at insulation material sealing container bottom sidewall, be filled with the SF of absolute pressure 0.1MPa in the airtight container
6Gas.
Further aspect of the present invention is:
Described Marx loop (being booster circuit) with Pyatyi Metal Ball gap consists of rectangular frame by insulating support and is formed by connecting, vertically be evenly equipped with respectively 5 capacitors along the insulating support inboard, one side of corresponding capacitor is distributed with 5 pairs of Metal Ball electrodes of relative interlaced arrangement, and each Metal Ball electrode is connected with capacitor by bonding conductor respectively; The rectangle insulating support wherein a leg of frame be provided with sliding tie rod through its leg of frame.
Described capacitor is fastened on the insulating support by metallic screw, is provided with charging resistor between the neighboring capacitors, and links to each other by bonding conductor.
Described each Metal Ball electrode head is ganoid sphere, and afterbody is connecting screw rod.
Described sliding tie rod is that the top is provided with screw and the cross section is step-like insulation material bar bar, sliding tie rod is evenly equipped with 5 screws corresponding with Metal Ball electrode connecting screw rod diameter along this bar long axis direction in the vertical step trough on insulating support one body side frame limit.
5 pairs of Metal Ball electrodes of described relative interlaced arrangement are fixed on leg of frame of insulating support and the sliding tie rod by connecting screw rod respectively, and 5 Metal Ball electrodes that wherein are connected on the sliding tie rod link to each other with insulating support by the screw of its connecting screw rod through sliding tie rod; 5 Metal Ball electrodes that are connected on leg of frame of insulating support link to each other with insulating support by its connecting screw rod.
Described insulating support one body side frame limit is provided with 5 waist-shaped holes that penetrate Metal Ball electrode connecting screw rod.
The head end of described insulating support bottom first order Metal Ball electrode is connected with the trigger impulse input by the triggering pin that is arranged at wherein, and the head end connecting screw rod of first order Metal Ball electrode connects earth terminal; The tail end of first order Metal Ball electrode connects charging input end 5; One utmost point of level V capacitor connects described booster circuit output.
One end of described wavefront resistance connects the booster circuit output, and the other end is the surge voltage output.
One end of described wave rear resistance connects the booster circuit output, and the other end connects earth terminal.
The insulation system of booster circuit of the present invention is applicable to the SF of absolute pressure 0.1MPa
6In the gas, booster circuit is installed in the SF that is filled with absolute pressure 0.1MPa
6In the airtight container of gas, this is just so that the impulse voltage generator compact conformation, and impedance loop is little, thereby is conducive to produce the surge voltage with nanosecond wavefront time.The sliding tie rod of booster circuit can slide in the step trough in the insulating support leg of frame, sliding scale is not less than 1cm, the top cover screw hangs on the top cover, and stretch into the airtight container inner chamber, screw in the screw at sliding tie rod top, namely can be by screwing the sliding tie rod in the top cover screw pulling airtight container, interlock is regulated to Pyatyi Metal Ball clearance distance, thereby can realize easily the adjusting to output surge voltage peak value; Wavefront resistance and wave rear resistance can independently be changed separately, thereby can realize easily the adjustment to output High Voltage Impulse Waveform time parameter.
Advantage of the present invention and beneficial effect are:
1, impulse voltage generator compact conformation, impedance loop are little, can output wave before the time less than two index shape surge voltages of 10ns.
2, the surge voltage peak value of impulse voltage generator output can be regulated very easily by the interlock of sliding tie rod Pyatyi, and surge voltage peak value adjustable range is wide, is 10～100kV.
When 3, needing to adjust the time parameter of output High Voltage Impulse Waveform, need not to open airtight container, only need to change airtight container outer wavefront resistance and wave rear resistance, easy to operate.
4, the impulse voltage generator booster circuit is placed in the airtight container, is subjected to extraneous humidity, temperature, effects of air pressure less, stable performance.
Description of drawings
The present invention is further described below in conjunction with the drawings and specific embodiments.
Fig. 1 is structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is impulse voltage generator boost circuit structure schematic diagram of the present invention.
Fig. 4 is the left view of Fig. 3.
Fig. 5 is the vertical view of Fig. 3.
Fig. 6 is booster circuit sliding tie rod structural representation of the present invention.
Fig. 7 is the left view of Fig. 6.
Fig. 8 is circuit theory diagrams of the present invention.
1. top covers among the figure, 2. sealing gasket, 3. airtight container, 4. top cover screw, 5. charging input end, 6. pore, 7. booster circuit output, 8. wavefront resistance, 9. wave rear resistance, 10. earth terminal, 11. trigger impulse inputs, 12. the surge voltage output, 13. insulating supports, 14. sliding tie rods, 15. the Metal Ball electrode, 16. capacitors, 17. trigger pin, 18. charging resistor, 19. bonding conductors, 20. booster circuits.
Embodiment
As shown in Figure 1 and Figure 2, this triggers the multi-channel discharge gas spark switch impulse voltage generator, comprise insulation material airtight container 3, and be arranged on the impulse voltage generator core body of airtight container 3 inner chambers, wherein: the impulse voltage generator core body of described airtight container 3 inner chamber settings connects into the Marx loop (being booster circuit 20 shown in Figure 8) in Pyatyi Metal Ball gap by insulating support 13, the insulation system of booster circuit 20 of the present invention is applicable to the SF of absolute pressure 0.1MPa
6In the gas, airtight container 3 interior needs are filled with the SF of absolute pressure 0.1MPa
6Gas, this is just so that the impulse voltage generator compact conformation, and impedance loop is little, thereby is conducive to produce the surge voltage with nanosecond wavefront time.Wavefront resistance 8 and wave rear resistance 9 are arranged at described airtight container 3 outsides, can independently change separately.Thereby can adjust easily the time parameter of exporting High Voltage Impulse Waveform by wavefront resistance 8 and the wave rear resistance 9 of changing different resistances; The top of airtight container 3 is provided with the top cover 1 of insulation material, is provided with sealing gasket 2 between top cover 1 and the airtight container 3, and top cover 1, sealing gasket 2 and airtight container 3 usefulness nylon bolts are fastening; Have a through hole on the top cover 1, be extended with the insulation material top cover screw 4 that with the sliding tie rod 14 of insulating support 13 link to each other from top cover 1 to airtight container 3 inner chambers by this through hole; Namely can by screwing the sliding tie rod 14 in the top cover screw 4 pulling airtight containers 3, described Pyatyi Metal Ball clearance distance interlock be regulated, thereby can realize easily exporting the adjusting of surge voltage peak value.Have the perforation of the charging input end 5, trigger impulse input 11, booster circuit output 7 and the earth terminal 10 that link to each other with the impulse voltage generator core body at the sidewall of airtight container 3; Be provided with pore 6 at airtight container 3 bottom sidewalls, pore 6 interior insertion tracheaes seal with fluid sealant between tracheae and the pore 6, and tracheae connects air valve again, can be filled with SF in airtight container 3
6Gas is used for guaranteeing the external insulation of booster circuit 20, and whole airtight container 3 only is fit to the air seal of absolute pressure 0.1MPa.
Twine raw material band on the top cover screw 4 to realize the sealing of through hole on the top cover 1, perforation place of charging input end 5, trigger impulse input 7, booster circuit output 11 and earth terminal 10 seals with fluid sealant on airtight container 3 sidewalls, each terminal and have and leave sufficiently long lead-in wire between Marx loop (booster circuit 20) tie point in Pyatyi Metal Ball gap with the convenient Marx loop (booster circuit 20) with Pyatyi Metal Ball gap of taking out.
Such as Fig. 3, Fig. 4, shown in Figure 5, Marx loop with Pyatyi Metal Ball gap consists of rectangular frame by insulating support 13 and is formed by connecting, vertically be evenly equipped with respectively 5 capacitors 16 along insulating support 13 inboards, one side of corresponding capacitor 16 is distributed with 5 pairs of Metal Ball electrodes 15 of relative interlaced arrangement, and each Metal Ball electrode 15 is connected with capacitor 16 by bonding conductor 19 respectively; Capacitor 16 is fastened on the insulating support 13 by metallic screw, is provided with charging resistor 18 between the neighboring capacitors 16, and links to each other by bonding conductor 19.Each Metal Ball electrode 15 head is ganoid sphere, and afterbody is connecting screw rod.Rectangle insulating support 13 wherein a leg of frame be provided with sliding tie rod 14 through its leg of frame.
Such as Fig. 6, shown in Figure 7, sliding tie rod 14 is provided with screw for the top and the cross section is step-like insulation material bar bar, sliding tie rod 14 is in the vertical step trough on insulating support 13 1 body side frame limits, sliding tie rod 14 can slide in step trough, sliding scale is not less than 1cm, and the upper limit position of slip is seen Fig. 3, shown in Figure 4.Be evenly equipped with 5 screws corresponding with Metal Ball electrode 15 connecting screw rod diameters along this bar long axis direction.
5 pairs of Metal Ball electrodes 15 of interlaced arrangement are fixed on 13 1 legs of frame of insulating support and the sliding tie rod 14 by connecting screw rod respectively relatively, and 5 the Metal Ball electrodes 15 that wherein are connected on the sliding tie rod 14 are connected with insulating support 13 by the screw of its connecting screw rod through sliding tie rod 14; Being connected in 5 Metal Ball electrodes 15 on 13 1 legs of frame of insulating support passes 5 waist-shaped holes that are located at these insulating support 13 leg of frame correspondence positions by its connecting screw rod and links to each other with insulating support 13.The position of Metal Ball electrode 15 connecting screw rods can be slightly mobile in the mounting hole, is convenient to regulate ball stand-off distances at different levels from realizing synchronous discharge.
Regulate ball stand-off distances at different levels from the method that realizes synchronous discharge being: first Metal Ball electrodes 15 at different levels are installed in position shown in Fig. 3, and sliding tie rod 14 slided into insulating support 13 bottoms, regulate again the position of Metal Ball electrode 15 connecting screw rods in the waist-shaped hole, so that nuzzle in the contact with two balls of the bottom one-level that triggers pin 17, then regulate other ball stand-off distances at different levels to realize synchronous discharge, generally speaking every one-level ball stand-off distance from be a bit larger tham its adjacent below one-level ball stand-off distance from.As long as Metal Ball at different levels gap adjusted synchronous discharge, just still can realize synchronous discharge after adjusting the Metal Ball clearance distance by the interlock of sliding tie rod 14 Pyatyis, so just can be as required regulation output surge voltage peak value easily.
The head end of insulating support 13 bottom first order Metal Ball electrodes 15 is connected (seeing Fig. 3) by the triggering pin 17 that is arranged at wherein with trigger impulse input 11, and the head end connecting screw rod of first order Metal Ball electrode 15 connects earth terminal 10; The tail end of first order Metal Ball electrode 15 connects charging input end 5; Level V capacitor 16 directly connects described booster circuit output 7 (see Fig. 1 be combined shown in Figure 8) with an end of Metal Ball electrode 15 connections.
Among Fig. 1, an end of wavefront resistance 8 connects booster circuit output 7, and the other end is surge voltage output 12.One end of wave rear resistance 9 connects booster circuit output 7, and the other end connects earth terminal 10.
Circuit theory diagrams Fig. 8 of the present invention is in conjunction with shown in Figure 1 in reference, insulating support 13 bottom first order Metal Ball electrode 15 head end connecting screw rods connect earth terminal 10, the tail end connecting screw rod of first order Metal Ball electrode 15 connects charging input end 5, is connected to simultaneously a utmost point of first order capacitor 16.Another utmost point of first order capacitor 16 is connected to second level Metal Ball electrode 15 head end connecting screw rods, is connected to first order Metal Ball electrode 15 head end connecting screw rods by a charging resistor 18 simultaneously.Metal Ball electrode 15 tail end connecting screw rods in the second level connect a utmost point of second level capacitor, are connected to first order Metal Ball electrode 15 tail end connecting screw rods by a charging resistor 18 simultaneously.Later capacitor at different levels 16 is pressed successively cascade of the same manner with Metal Ball electrodes 15 at different levels.The utmost point that afterbody capacitor 16 directly is not connected with Metal Ball electrode 15 connects described booster circuit output 7.Wavefront resistance (R
f) end of 8 connects booster circuit output 7, the other end is surge voltage output 12.Wave rear resistance (R
t) end of 9 connects booster circuit output 7, the other end connects earth terminal 10.Because impulse voltage generator compact conformation, impedance loop are little, all do not access damping resistance in every grade of loop, this also is conducive to reduce to export the wavefront time of surge voltage.Charging input end 5 need to be connected to DC high-voltage power supply by a current-limiting protection resistance and charge to impulse voltage generator; after the charging; input a high-voltage pulse by trigger impulse input 11 to impulse voltage generator; so that first order Metal Ball gap breakdown; if has adjusted synchronously in Metal Ball at different levels gap; will puncture successively the required surge voltage of final surge voltage output 12 outputs.The component parameters selection range is in the booster circuit 20: capacitor (C) 16 capacity 350pF～500pF, the resistance of charging resistor (R) 18 is wave rear resistance (R
t) 9 10～20 times.
Claims (9)
1. one kind is triggered the multi-channel discharge gas spark switch impulse voltage generator, comprise insulation material airtight container (3), and be arranged on the impulse voltage generator core body of airtight container (3) inner chamber, it is characterized in that: the impulse voltage generator core body that described airtight container (3) inner chamber arranges connects into the Marx loop in Pyatyi Metal Ball gap by insulating support (13), described airtight container (3) arranged outside has wavefront resistance (8) and wave rear resistance (9), airtight container (3) top is provided with top cover (1), is extended with an insulation material top cover screw (4) that links to each other with the sliding tie rod (14) of insulating support (13) from top cover (1) to airtight container (3) inner chamber; Have the perforation of the charging input end (5), trigger impulse input (11), booster circuit output (7) and the earth terminal (10) that link to each other with the impulse voltage generator core body at the sidewall of insulation material airtight container (3); Sidewall is provided with pore (6) in insulation material airtight container (3) bottom, is filled with the SF of absolute pressure 0.1MPa in the airtight container (3)
6Gas;
The Marx loop in described Pyatyi Metal Ball gap consists of rectangular frame by insulating support (13) and is formed by connecting, vertically be evenly equipped with respectively 5 capacitors (16) along insulating support (13) inboard, corresponding capacitor (16) one sides are distributed with 5 pairs of Metal Ball electrodes (15) of relative interlaced arrangement, and each Metal Ball electrode (15) is connected with capacitor (16) by bonding conductor (19) respectively; Rectangle insulating support (13) wherein a leg of frame be provided with sliding tie rod (14) through its leg of frame;
Slide in the step trough of the sliding tie rod of booster circuit (14) in insulating support (13) leg of frame, sliding scale is not less than 1cm, top cover screw (4) hangs on the top cover (1), and stretch into airtight container (3) inner chamber, screw in the screw at sliding tie rod (14) top, by screwing the sliding tie rod (14) in top cover screw (4) the pulling airtight container (3), interlock is regulated to Pyatyi Metal Ball clearance distance, thereby can realize easily the adjusting to output surge voltage peak value.
2. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1, it is characterized in that: described capacitor (16) is fastened on the insulating support (13) by metallic screw, be provided with charging resistor (18) between the neighboring capacitors (16), and link to each other by bonding conductor (19).
3. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1, it is characterized in that: described each Metal Ball electrode (15) head is ganoid sphere, and afterbody is connecting screw rod.
4. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1, it is characterized in that: described sliding tie rod (14) is provided with screw for the top and the cross section is step-like insulation material bar bar, sliding tie rod (14) is evenly equipped with 5 screws corresponding with Metal Ball electrode (15) connecting screw rod diameter along this bar long axis direction in the vertical step trough on insulating support (13) one body side frame limits.
5. according to claim 1 or 4 described a kind of triggering multi-channel discharge gas spark switch impulse voltage generators, it is characterized in that: 5 pairs of Metal Ball electrodes (15) of described relative interlaced arrangement are fixed on (13) legs of frame of insulating support and the sliding tie rod (14) by connecting screw rod respectively, and 5 the Metal Ball electrodes (15) that wherein are connected on the sliding tie rod (14) link to each other with insulating support (13) by the screw of its connecting screw rod through sliding tie rod (14); 5 the Metal Ball electrodes (15) that are connected on (13) legs of frame of insulating support link to each other with insulating support (13) by its connecting screw rod.
6. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 5, it is characterized in that: described insulating support (13) one body side frame limits are provided with 5 waist-shaped holes that penetrate Metal Ball electrode (15) connecting screw rod.
7. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1, it is characterized in that: the head end of described insulating support (13) bottom first order Metal Ball electrode (15) is connected with trigger impulse input (11) by the triggering pin (17) that is arranged at wherein, and the head end connecting screw rod of first order Metal Ball electrode (15) connects earth terminal (10); The tail end of first order Metal Ball electrode (15) connects charging input end (5); One utmost point of level V capacitor (16) connects described booster circuit output (7).
8. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1 is characterized in that: an end of described wavefront resistance (8) connects booster circuit output (7), and the other end is surge voltage output (12).
9. a kind of triggering multi-channel discharge gas spark switch impulse voltage generator according to claim 1 is characterized in that: the end connection booster circuit output (7) of described wave rear resistance (9), other end connection earth terminal (10).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110022971 CN102158116B (en) | 2011-01-20 | 2011-01-20 | Impulse voltage generator for triggering multi-channel discharge gas spark switch |
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|---|---|---|---|
| CN 201110022971 CN102158116B (en) | 2011-01-20 | 2011-01-20 | Impulse voltage generator for triggering multi-channel discharge gas spark switch |
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| CN102158116B true CN102158116B (en) | 2013-02-06 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308736A (en) * | 2013-07-03 | 2013-09-18 | 国家电网公司 | Small-size integrated steep pulse generating device |
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| CN102684649A (en) * | 2012-05-02 | 2012-09-19 | 西安交通大学 | Cylindrical ferroelectric pulse generator |
| CN102998645B (en) * | 2012-11-29 | 2015-11-18 | 中国电力科学研究院 | Impulse voltage standard wave source for high-voltage impulse voltage quantity value traceability and using method thereof |
| CN104459235B (en) * | 2014-12-09 | 2017-05-24 | 国家电网公司 | Compact closed gas insulation impulse voltage generation device |
| CN104467512B (en) * | 2014-12-19 | 2017-06-23 | 西安交通大学 | A kind of surge voltage generating means |
| CN104699150B (en) * | 2015-03-09 | 2016-03-02 | 国家电网公司 | Closed compact impulse voltage generator waveform adjustment device |
| CN105204561B (en) * | 2015-09-18 | 2017-10-31 | 西北核技术研究所 | A kind of short pulse amplitude impulse current generator |
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| DE102004001782A1 (en) * | 2004-01-12 | 2005-08-11 | Martin Kern | Bipolar Marx generators with a switching turret for industrial gas processing uses directly triggered impulse generators |
| CN101115345A (en) * | 2007-07-31 | 2008-01-30 | 哈尔滨工业大学 | Capillary discharging X-laser device using blumlein line and eliminating prepulse |
| JP2009131071A (en) * | 2007-11-26 | 2009-06-11 | Mitsubishi Electric Corp | Multi-stage type impulse voltage generator |
| CN101865939A (en) * | 2010-06-17 | 2010-10-20 | 中国电力科学研究院 | Generation device for very fast transient overvoltage |
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- 2011-01-20 CN CN 201110022971 patent/CN102158116B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3517256A (en) * | 1966-02-22 | 1970-06-23 | Comp Generale Electricite | Shock-wave generator |
| DE102004001782A1 (en) * | 2004-01-12 | 2005-08-11 | Martin Kern | Bipolar Marx generators with a switching turret for industrial gas processing uses directly triggered impulse generators |
| CN101115345A (en) * | 2007-07-31 | 2008-01-30 | 哈尔滨工业大学 | Capillary discharging X-laser device using blumlein line and eliminating prepulse |
| JP2009131071A (en) * | 2007-11-26 | 2009-06-11 | Mitsubishi Electric Corp | Multi-stage type impulse voltage generator |
| CN101865939A (en) * | 2010-06-17 | 2010-10-20 | 中国电力科学研究院 | Generation device for very fast transient overvoltage |
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| CN103308736A (en) * | 2013-07-03 | 2013-09-18 | 国家电网公司 | Small-size integrated steep pulse generating device |
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