CN201904738U - Bipolar nanosecond high-voltage narrow-pulse generator - Google Patents
Bipolar nanosecond high-voltage narrow-pulse generator Download PDFInfo
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- CN201904738U CN201904738U CN2010206353112U CN201020635311U CN201904738U CN 201904738 U CN201904738 U CN 201904738U CN 2010206353112 U CN2010206353112 U CN 2010206353112U CN 201020635311 U CN201020635311 U CN 201020635311U CN 201904738 U CN201904738 U CN 201904738U
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Abstract
The utility model relates to a high-voltage pulse generator, in particular to a bipolar nanosecond high-voltage narrow-pulse generator, which solves the problems of large inductance, serous oscillation, high trailing voltage and unstable peak value of a bipolar high-voltage pulse power supply work loop in the prior art. The utility model has the technical scheme that the bipolar nanosecond high-voltage narrow-pulse generator comprises a direct current high-voltage circuit module, a synchronous triggering control circuit module, a positive pulse forming circuit module, a negative pulse forming circuit module and a high-voltage pulse synthesis circuit module. The bipolar nanosecond high-voltage narrow-pulse generator is applied to high-voltage narrow-pulse power supply design circuits in the fields of desulfuration and denitration, volatile organic chemicals (VOCs) removal, material surface modification and the like.
Description
Technical field
The utility model relates to a kind of high-voltage pulse generation device, particularly relates to a kind of bipolarity nanosecond high voltage narrow pulse generation device that produces bipolarity nanosecond high voltage narrow pulse.
Background technology
High-voltage pulse power source as the energy supply arrangement remove at desulphurization denitration, VOCs, field such as material surface physicochemical property change obtained to use widely.The researcher has done deep research to the relation between the treatment effect of waveform parameter such as rising front, pulse duration and the pulse polarity of the high-voltage pulse of high-voltage pulse power source output and processed object etc., has obtained many research conclusions.Harmful substance in the waste water and gas is of a great variety, some material is comparatively responsive to the polarity of corona pulse, and pulse duration is narrow more, and pulse front edge is steep more, help the raising of removal efficiency more, but unipolar pulse is unfavorable for improving the removal efficiency of harmful substance, and the unipolar pulse discharge makes stored charge on the processing unit, to not form hangover voltage if do not discharge, strengthen the formed space electric field of succeeding impulse, cause intermittently sparkover, be unfavorable for the injection of energy.Therefore, more the steep-sided pulse forward position, more the bipolarity nanosecond high voltage narrow pulse generating technique of narrow pulse width becomes the new focus in Pulse Power Techniques application study field.
" high voltage technique " delivered the article that is entitled as " development of the dual-pulse power supply in the impulse electric corona method " in 2004, delivered the article that is entitled as " dielectric barrier discharge and terylene surface modification thereof under the bipolar pulse voltage " in 2009, " China Environmental Science " delivered the article that is entitled as " bipolar pulse high-pressure medium barrier discharge degraded chlorobenzene and toluene " in 2006, all adopted the bipolarity high-voltage pulse power source as the energy supply arrangement in these articles.These bipolarity high-voltage pulse power sources (utilizing the high-voltage pulse power source of bipolarity high-voltage pulse generation device to be called the bipolarity high-voltage pulse power source) constitute by two high-voltage pulse power sources, these two high-voltage pulse power sources adopt the rotation spark switch as the discharge main switch, produce the positive or negative high voltage pulse respectively, directly processing unit is exported the bipolarity high-voltage pulse by sequencing control.The rotation spark switch is a mechanical switch, can not produce the nanosecond high voltage narrow pulse, can not work under high repetition frequency, but also can cause problems such as loop inductance is big, vibration is serious, hangover voltage is very high, peak value instability.In addition, two high-voltage pulse power sources directly link to each other with processing unit, and phase mutual interference in the discharge course of work inevitably causes bipolarity high-voltage pulse power source job stability and reliability to reduce.By investigation to existing document, for adopt hydrogen thyratron as the main discharge switch, utilize the synthetic bipolarity nanosecond high voltage narrow pulse generating technique of positive and negative burst pulse not appear in the newspapers.
The utility model content
The purpose of this utility model is to solve problems such as bipolarity high-voltage pulse power source work loop inductance is big in the prior art, vibration is serious, hangover voltage is very high, peak value instability, provide a kind of adopt hydrogen thyratron as the main discharge switch, utilize positive and negative burst pulse synthetic bipolarity nanosecond the high voltage narrow pulse generation device the bipolarity high-voltage pulse power source, improve bipolarity high-voltage pulse power source operating efficiency, produce the nanosecond high voltage narrow pulse and reduce loop inductance, reduce concussion, eliminate hangover voltage.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of bipolarity nanosecond the high voltage narrow pulse device, comprise the dc high-voltage circuit module, the synchronous triggering control circuit module, positive pulse forms circuit module, negative pulse forms circuit module, high-voltage pulse combiner circuit module, the synchronous triggering control circuit module respectively with the dc high-voltage circuit module input, positive pulse forms the circuit module input, negative pulse forms the circuit module input and is electrically connected, the dc high-voltage circuit module forms the circuit module input with positive pulse respectively, negative pulse forms the circuit module input and is electrically connected, and high-voltage pulse combiner circuit module forms the circuit module output with positive pulse respectively, negative pulse forms the circuit module output and is electrically connected.
The load of described high-voltage pulse combiner circuit module output termination, described equivalent load comprises resistance R 10 capacitor C 11, resistance R 10 is in parallel with capacitor C 11.
Described dc high-voltage circuit module comprises DC high-voltage power supply 1, described positive pulse forms circuit module and comprises the first energy storage cable 4, the first hydrogen thyratron switch 6, second charging resistor 2, described negative pulse forms circuit module and comprises the second energy storage cable 5, the second hydrogen thyratron switch 7, the 3rd charging resistor 3, described high-voltage pulse combiner circuit module comprises first isolating transformer 8 that boosts, second isolating transformer 9 that boosts, wherein the dc high-voltage circuit module respectively with the second charging resistor R2, the 3rd charging resistor R3 connects, the second charging resistor R2 is connected with the second energy storage cable, 5 cables core, the second energy storage cable, the 5 cable core other ends respectively with the second hydrogen thyratron switch 7, resitstance voltage divider high-voltage arm resistance R 12 connects, the second hydrogen thyratron switch other end and first isolating transformer 8 former limits one end that boosts is connected, resitstance voltage divider high-voltage arm resistance R 12 other ends are connected with resitstance voltage divider low-voltage arm resistance R13, first boosts, and equivalent load parallel circuits one end that isolating transformer 8 secondary one end and resistance 10 and electric capacity 11 forms is connected the resitstance voltage divider low-voltage arm resistance R13 other end, the second energy storage cable, 5 cable skins, the first isolating transformer 8 former limit other ends that boost, first boosts the isolating transformer 8 secondary other ends altogether; The 3rd charging resistor R3 is connected with the first energy storage cable, 4 cables core, and the first energy storage cable, the 4 cable core other ends are connected with the first hydrogen thyratron switch 6, and the first energy storage cable, 4 cable skins press isolating transformer 9 former limits one end to be connected with liter second; Second boosts, and equivalent load parallel circuits one end that isolating transformer 9 secondary one end and resistance 10 and electric capacity 11 forms is connected, and the first energy storage cable, 4 cable skins, the first hydrogen thyratron switch, 6 other ends, the second isolating transformer 9 former limit other ends, second that boost boost the isolating transformer 9 secondary other ends altogether.
Described energy storage cable is also replaced by storage capacitor.
From above-mentioned architectural feature of the present utility model as can be seen, its advantage is:
1) bipolarity nanosecond high voltage narrow pulse output waveform symmetry, stable, the good reproducibility that utilizes this technology to produce helps the raising of removal efficiency and capacity usage ratio;
2) adopt the power supply of this art designs under the high repetition frequency condition, to work, simple to operate, failure rate is low, easy to maintenance, can work long hours, help industrial applications.
Description of drawings
The utility model will illustrate by way of compared with accompanying drawings and combined with example:
Fig. 1 bipolarity nanosecond high voltage narrow pulse generation device theory diagram;
Fig. 2 bipolarity nanosecond of the present utility model high voltage narrow pulse produces circuit diagram;
Fig. 3 is that civil power is handled the oscillogram that the back obtains through the utility model device on equivalent load
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Technical scheme: the utility model provides a kind of employing hydrogen thyratron as the main discharge switch, utilizes the synthetic bipolarity nanosecond high voltage narrow pulse generating technique of positive negative pulse stuffing.Obtain dc high voltage later on by rectification that civil power is boosted and provide primary energy for the pulse shaping circuit module, the pulse shaping circuit module forms positive and negative nanosecond high voltage narrow pulse, high-voltage pulse combiner circuit module with positive and negative nanosecond high voltage narrow pulse further boost syntheticly, obtain bipolarity nanosecond high voltage narrow pulse at the treatment facility input at last.
This technical scheme comprises that dc high-voltage circuit module, synchronous triggering control circuit module, dc high-voltage circuit module, positive negative pulse stuffing form circuit module, synchronous triggering control circuit module, high-voltage pulse combiner circuit module.Positive negative pulse stuffing forms circuit module, high-voltage pulse combiner circuit module is the design's a core.The dc high-voltage circuit module is to produce dc high voltage after civil power passes through the rectification of boosting.It is the core of the technical program that positive negative pulse stuffing forms circuit module, and its function is to produce nanosecond extra-high voltage burst pulse, and waveform quality, raising power work frequency in order to improve the output pulse must adopt hydrogen thyratron as main switch.The synchronous triggering control circuit module is mainly exported control signal the dc high-voltage circuit module is controlled, and produces the closed conducting of triggering signal control hydrogen thyratron that two-way has the certain hour interval.High-voltage pulse combiner circuit module also is the important component part of the technical program, its function is to output to treatment facility after positive negative pulse stuffing is synthesized, in order to eliminate the phase mutual interference between the positive negative pulse stuffing, improve the stability and the reliability of high-voltage pulse power source, must adopt the pulse boosting isolating transformer that positive negative pulse stuffing is boosted and isolate.
Circuit block diagram comprises that dc high-voltage circuit module, synchronous triggering control circuit module, dc high-voltage circuit module, positive negative pulse stuffing form circuit module, synchronous triggering control circuit module, high-voltage pulse combiner circuit module as shown in Figure 1.The dc high-voltage circuit module comprises DC high-voltage power supply 1, wherein the synchronous triggering control circuit module forms the circuit module input with dc high-voltage circuit module input, positive pulse respectively, negative pulse forms the circuit module input and is electrically connected, the dc high-voltage circuit module forms the circuit module input with positive pulse respectively, negative pulse forms the circuit module input and is electrically connected, and high-voltage pulse combiner circuit module forms the circuit module output with positive pulse respectively, negative pulse forms the circuit module output and is electrically connected.The dc high-voltage circuit module is the input of the technical program, and its function is civil power to be boosted through rectification obtain dc high voltage; The function that positive negative pulse stuffing forms circuit module is the positive and negative nanosecond high voltage narrow pulse that produces design respectively; High-voltage pulse combiner circuit module is the output of the technical program, directly link to each other with back-end processing equipment, its function be with positive and negative nanosecond high voltage narrow pulse further boost and synthesize bipolarity nanosecond high voltage narrow pulse, positive negative pulse stuffing is isolated, eliminate interference each other; The output of synchronous triggering control circuit module triggers control signal, respectively positive negative pulse stuffing formation circuit module, dc high-voltage circuit module is triggered control.
The physical circuit design as shown in Figure 2, the dc high-voltage circuit module comprises DC high-voltage power supply 1, positive pulse forms circuit module and comprises the first energy storage cable 4, the first hydrogen thyratron switch 6, second charging resistor 2, negative pulse forms circuit module and comprises the second energy storage cable 5, the second hydrogen thyratron switch 7, the 3rd charging resistor 3, high-voltage pulse combiner circuit module comprises first isolating transformer 8 that boosts, second isolating transformer 9 that boosts, wherein the dc high-voltage circuit module respectively with the second charging resistor R2, the 3rd charging resistor R3 connects, the second charging resistor R2 is connected with the second energy storage cable, 5 cables core, the second energy storage cable, the 5 cable core other ends respectively with the second hydrogen thyratron switch 7, resitstance voltage divider high-voltage arm resistance R 12 connects, the second hydrogen thyratron switch other end and first isolating transformer 8 former limits one end that boosts is connected, resitstance voltage divider high-voltage arm resistance R 12 other ends are connected with resitstance voltage divider low-voltage arm resistance R13, first boosts, and equivalent load parallel circuits one end that isolating transformer 8 secondary one end and resistance 10 and electric capacity 11 forms is connected the resitstance voltage divider low-voltage arm resistance R13 other end, the second energy storage cable, 5 cable skins, the first isolating transformer 8 former limit other ends that boost, first boosts the isolating transformer 8 secondary other ends altogether; The 3rd charging resistor R3 is connected with the first energy storage cable, 4 cables core, and the first energy storage cable, the 4 cable core other ends are connected with the first hydrogen thyratron switch 6, and the first energy storage cable, 4 cable skins press isolating transformer 9 former limits one end to be connected with liter second; Second boosts, and equivalent load parallel circuits one end that isolating transformer 9 secondary one end and resistance 10 and electric capacity 11 forms is connected, and the first energy storage cable, 4 cable skins, the first hydrogen thyratron switch, 6 other ends, the second isolating transformer 9 former limit other ends, second that boost boost the isolating transformer 9 secondary other ends altogether.In this invention technology, to obtain direct voltage after city's electric boost rectification and the synchronous triggering control circuit module all is mature technologies, so these two parts are not done detailed description among Fig. 2, the synchronous triggering control circuit module adopts the synchronous triggering control circuit module block representation of tape input output signal line in Fig. 2, with the dc high-voltage circuit module in dc high-voltage circuit module 1 corresponding diagram 1; CTR1 control dc high-voltage circuit module is charged to the energy storage cable among the figure, the Sig1 resitstance voltage divider is the C output signal of ordering just, Trig1, Trig2 are respectively the triggering signals that the synchronous triggering control circuit module produces, and trigger hydrogen thyratron switch 6 and 7 respectively.
The course of work of the technical program is: at first, dc high-voltage circuit module 1 obtains dc high voltage with the civil power rectification of boosting; Secondly, the control signal Ctr1 control dc high-voltage circuit module of synchronous triggering control circuit module output is charged the dc high voltage that obtains respectively by second charging resistor 2, the 3rd charging resistor 3 to the first energy storage cable 4 and the second energy storage cable 5, when detecting energy storage cable charging voltage by the resitstance voltage divider that is made of resitstance voltage divider high-voltage arm resistance 12, resitstance voltage divider low-voltage arm resistance 13 and reach set point, inverse signal Sig1 is to the synchronous triggering control circuit module; At this moment, synchronous triggering control circuit module output trigger impulse Trig1 triggers the first hydrogen thyratron switch, 6 closures that make as the main discharge switch, the former edge discharge of 4 pairs second isolating transformers 9 that boost of first energy storage cable this moment produces the positive high voltage burst pulse, behind the first energy storage cable, 4 discharge offs, synchronous triggering control circuit module output trigger impulse Trig2 triggers hydrogen thyratron switch 7 closures that make as the main discharge switch, and the former edge discharge of 5 pairs of isolating transformers 8 that boost of energy storage cable this moment produces the negative high voltage burst pulse; At last, by first boost isolating transformer 8, second boost isolating transformer 9 synthetic after, have the bipolarity nanosecond high voltage narrow pulse of certain phase difference in treatment facility equivalent load 10,11 ends A, 2 generations of B.It is closed repeatedly to control the first hydrogen thyratron switch 6, the second hydrogen thyratron switch 7 by the synchronous triggering control circuit module, just can produce the bipolarity nanosecond high voltage narrow pulse of repetition rate in the treatment facility load.This phase difference value equated with the Trig1 of setting, the time interval between the Trig2.In order to determine this phase difference value, in the course of the work, can be after the charging of energy storage cable finishes, only provide triggering signal Trig1 by the setting of synchronous triggering control circuit module, only produce positive high voltage burst pulse A, B this moment at 2, by measuring the width of this pulse, the time interval value in the time of can obtaining the two-way triggering signal and work simultaneously is phase difference value.In specific implementation process, also can adopt high-voltage switch power supply to substitute the high-voltage DC power supply part, this moment, charging resistor 2,3 did not need; The energy storage cable also can change energy storage devices such as storage capacitor as required into; As the hydrogen thyratron of main discharge switch, the parameter suitable according to concrete Scheme Choice; As required, first isolating transformer 8, second isolating transformer 9 that boosts that boosts can be turned to a transformer.No matter adopt which kind of scheme, the workflow of main circuit and electric signal flow to constant all the time.
If between A, B, produce amplitude 50kV at 2, the bipolarity nanosecond high voltage narrow pulse of pulsewidth 200ns, its parameter is selected and workflow is: the dielectric voltage withstand of the first energy storage cable 4, the second energy storage cable 5 is 20kV, length is 40 meters, selecting the operating voltage of hydrogen thyratron switch is 10kV, first the boost no-load voltage ratio of isolating transformer 9 of isolating transformer 8, second of boosting is 1: 5, after constituting as Fig. 2, starts working.Setting charging voltage by the synchronous triggering control circuit module is 10kV, setting the two-way triggering signal time interval is 200ns, after the dc high voltage that boosts rectification through dc high-voltage circuit module 1 is charged to 10kV with energy storage cable 4,5, turn back to the synchronous triggering control circuit module by the C signal of naming a person for a particular job, synchronous triggering control circuit module output triggering signal Trig1 triggers the first hydrogen thyratron switch, 6 closures, 4 pairs second on the first energy storage cable isolating transformer 9 former edge discharges that boost produce the positive high voltage burst pulse of 50kV at the isolating transformer secondary that boosts; Behind the 200ns, the first energy storage cable, 4 discharge offs, synchronous triggering control circuit module output triggering signal Trig2, trigger the second hydrogen thyratron switch, 7 closures, 5 pairs first on the second energy storage cable isolating transformer 8 former edge discharges that boost produce the negative high voltage burst pulse of 50kV at the isolating transformer secondary that boosts.At this moment, from 2 of A, B, just exported symmetrical bipolarity nanosecond high voltage narrow pulse in load, its oscillogram as shown in Figure 3.In theory, according to the actual requirements, pass through the technical program, can produce the free voltage amplitude, the bipolarity high voltage narrow pulse of any pulse duration, random phase difference, in fact, the ceiling voltage amplitude is subjected to Primary Component hydrogen thyratron switch and the restriction of the isolating transformer that boosts.At present, about the about 70kV of hydrogen thyratron maximum operating voltage commonly used, if merely improve voltage by the boost no-load voltage ratio of isolating transformer of increase, have influence on the rising front of output pulse the most at last, cause exporting the high voltage narrow pulse of nanosecond rising front.And in the commercial Application of association area, higher operating voltage means that cost higher even that be difficult to bear increases.Therefore, the technical program has bigger cost advantage in the following operating voltage range of 500kV, to the more high-tension needs of output, must cause cost to increase.
Fig. 3 is that civil power is handled the oscillogram that the back obtains through the utility model device on equivalent load.Wherein transverse axis is the 200ns/ lattice, and the longitudinal axis is the 20kV/ lattice.
Disclosed all features in this specification except mutually exclusive feature, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
Claims (4)
- One kind bipolarity nanosecond the high voltage narrow pulse generation device, comprise the dc high-voltage circuit module, the synchronous triggering control circuit module, it is characterized in that also comprising that positive pulse forms circuit module, negative pulse forms circuit module, high-voltage pulse combiner circuit module, the synchronous triggering control circuit module respectively with the dc high-voltage circuit module input, positive pulse forms the circuit module input, negative pulse forms the circuit module input and is electrically connected, the dc high-voltage circuit module forms the circuit module input with positive pulse respectively, negative pulse forms the circuit module input and is electrically connected, and high-voltage pulse combiner circuit module forms the circuit module output with positive pulse respectively, negative pulse forms the circuit module output and is electrically connected.
- 2. a kind of bipolarity nanosecond according to claim 1 the high voltage narrow pulse generation device, it is characterized in that the load of described high-voltage pulse combiner circuit module output termination, described equivalent load comprises resistance (R10), electric capacity (C11), and resistance (R10) is in parallel with electric capacity (C11).
- 3. a kind of bipolarity nanosecond according to claim 1 the high voltage narrow pulse generation device, it is characterized in that described dc high-voltage circuit module comprises DC high-voltage power supply (1), described positive pulse forms circuit module and comprises the first energy storage cable (4), the first hydrogen thyratron switch (6), second charging resistor (2), described negative pulse forms circuit module and comprises the second energy storage cable (5), the second hydrogen thyratron switch (7), the 3rd charging resistor (3), described high-voltage pulse combiner circuit module comprises first isolating transformer (8) that boosts, second isolating transformer (9) that boosts, wherein the dc high-voltage circuit module respectively with second charging resistor (R2), the 3rd charging resistor (R3) connects, second charging resistor (R2) is connected with second energy storage cable (5) cable core, second energy storage cable (5) the cable core other end respectively with the second hydrogen thyratron switch (7), resitstance voltage divider high-voltage arm resistance (R12) connects, second hydrogen thyratron switch (7) other end and the first former limit of isolating transformer (8) one end that boosts is connected, resitstance voltage divider high-voltage arm resistance (R12) other end is connected with resitstance voltage divider low-voltage arm resistance (R13), first boosts, and equivalent load parallel circuits one end that isolating transformer (8) secondary one end and resistance (10) and electric capacity (11) forms is connected resitstance voltage divider low-voltage arm resistance (R13) other end, second energy storage cable (5) cable skin, the first former limit of isolating transformer (8) other end that boosts, first boosts isolating transformer (8) the secondary other end altogether; The 3rd charging resistor (R3) is connected with first energy storage cable (4) cable core, first energy storage cable (4) the cable core other end is connected with the first hydrogen thyratron switch (6), and first energy storage cable (4) cable skin presses the former limit of isolating transformer (9) one end to be connected with liter second; Second boosts, and equivalent load parallel circuits one end that isolating transformer (9) secondary one end and resistance (10) and electric capacity (11) forms is connected, and first energy storage cable (4) cable skin, first hydrogen thyratron switch (6) other end, the second former limit of isolating transformer (9) other end, second that boosts boosts isolating transformer (9) the secondary other end altogether.
- 4. a kind of bipolarity nanosecond according to claim 3 the high voltage narrow pulse generation device, it is characterized in that described energy storage cable is also replaced by storage capacitor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010206353112U CN201904738U (en) | 2010-11-30 | 2010-11-30 | Bipolar nanosecond high-voltage narrow-pulse generator |
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| CN2010206353112U CN201904738U (en) | 2010-11-30 | 2010-11-30 | Bipolar nanosecond high-voltage narrow-pulse generator |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013830A (en) * | 2010-11-30 | 2011-04-13 | 中国工程物理研究院流体物理研究所 | Device and method for generating bipolar nanosecond high-voltage narrow pulses |
| CN106291014A (en) * | 2016-08-31 | 2017-01-04 | 许继电源有限公司 | A kind of high-voltage pulse generator |
| CN106938052A (en) * | 2017-04-26 | 2017-07-11 | 中国工程物理研究院流体物理研究所 | A kind of bipolarity nanosecond pulsed electric field loading, electric field sterilization device and method |
| CN107425711A (en) * | 2017-03-30 | 2017-12-01 | 苏州市职业大学 | A kind of high efficiency energy two-way DC converter and control method |
-
2010
- 2010-11-30 CN CN2010206353112U patent/CN201904738U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102013830A (en) * | 2010-11-30 | 2011-04-13 | 中国工程物理研究院流体物理研究所 | Device and method for generating bipolar nanosecond high-voltage narrow pulses |
| CN102013830B (en) * | 2010-11-30 | 2013-05-08 | 中国工程物理研究院流体物理研究所 | Device and method for generating bipolar nanosecond high-voltage narrow pulses |
| CN106291014A (en) * | 2016-08-31 | 2017-01-04 | 许继电源有限公司 | A kind of high-voltage pulse generator |
| CN106291014B (en) * | 2016-08-31 | 2018-12-28 | 许继电源有限公司 | A kind of high-voltage pulse generator |
| CN107425711A (en) * | 2017-03-30 | 2017-12-01 | 苏州市职业大学 | A kind of high efficiency energy two-way DC converter and control method |
| CN106938052A (en) * | 2017-04-26 | 2017-07-11 | 中国工程物理研究院流体物理研究所 | A kind of bipolarity nanosecond pulsed electric field loading, electric field sterilization device and method |
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