CN107124810B - A kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression - Google Patents
A kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression Download PDFInfo
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- CN107124810B CN107124810B CN201710260549.8A CN201710260549A CN107124810B CN 107124810 B CN107124810 B CN 107124810B CN 201710260549 A CN201710260549 A CN 201710260549A CN 107124810 B CN107124810 B CN 107124810B
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H1/00—Generating plasma; Handling plasma
- H05H1/24—Generating plasma
- H05H1/2406—Generating plasma using dielectric barrier discharges, i.e. with a dielectric interposed between the electrodes
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05H—PLASMA TECHNIQUE; PRODUCTION OF ACCELERATED ELECTRICALLY-CHARGED PARTICLES OR OF NEUTRONS; PRODUCTION OR ACCELERATION OF NEUTRAL MOLECULAR OR ATOMIC BEAMS
- H05H2242/00—Auxiliary systems
- H05H2242/20—Power circuits
- H05H2242/22—DC, AC or pulsed generators
Abstract
The invention discloses a kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic pulse compression, including power-supply system, solid state switching system, control circuit and magnetic pulse compression system.A kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic pulse compression, it is substantially a kind of to be compressed pulse voltage using satiable inductor, to improve the rising edge of voltage wave, while in order to improve the working frequency of generator, bipolar pulse is generated using full bridge inverter, magnetic core reset circuit can be saved.Test result shows that through bipolarity magnetic compression system, can have following parameter in the nanosecond pulse voltage of load both ends output: amplitude is adjustable in 5~13kV, and rising edge 100ns or so, repetition rate may be up to several kHz.
Description
Technical field
The present invention relates to plasma discharging teclmiques fields, and it is double specifically to design a kind of DBD high frequency based on magnetic pulse compression
Polarity millimicrosecond pulse generator.
Background technique
In recent years, atmospheric pressure nonequilibrium plasma is received more and more attention because of its unique advantage.Due to it be
The low temperature plasma to discharge in the atmosphere of surrounding makes the application being relatively difficult to realize originally come true, such as biology
Medicine；Simultaneously as atmospheric non-equilibrium plasma eliminates expensive and extremely cumbersome vacuum system, so that its cost
It substantially reduces, one of them very important application is exactly material surface modifying.
DBD (dielectric barrier discharge) plasma can generate large area because of it under atmospheric pressure
Uniform glow discharge either Townsend avalanche and great industrial application value.Its final application effect and plasma characteristics are close
Correlation, and plasma characteristics are mainly determined by its excitation power supply.Under normal circumstances, the power supply for generating DBD plasma is mainly adopted
It is motivated with ac high-voltage, but to obtain Uniform Discharge, to dielectric material, supply frequency, gap structure has very high want
It asks.With the development of Pulse Power Techniques, research is found when replacing traditional exchange driving using the driving of ns pulse voltage, fastly
The voltage that speed rises can rapid ionized gas, streamer development time is short, effectively inhibits electric discharge to spark or arc mode
Transformation, therefore it allows one to obtain uniform nonequilibrium plasma in bigger parameter area.
In order to obtain DBD plasma in several millimeters of gap, the pulse voltage amplitude needed is tens of kilovolts, frequency
Rate is hundreds of hertz to few kilohertz.In general, the mode for obtaining the high repetitive frequency pulsed voltage of high voltage is to be with solid-state switch
The voltage increase technology of core, typical solid-state switch include semiconductor switch and magnetic switch.Based on semiconductor switch
Typical topology is Marx generator, high-efficient, and response is fast, and frequency, pulsewidth and amplitude are stepless adjustable in a big way,
But semiconductor switch pressure resistance is lower, when more demanding pulse voltage, required Marx generator series increases, number of switches
It is multiplied, causes to trigger accordingly and isolation technology complicates, system reliability substantially reduces.And magnetic switch is relative to half
Conductor switchs its pressure resistance and through-current capability greatly increases, and does not generate abrasion or deterioration substantially, therefore can greatly simplify
Circuit.But for magnetic switch, next task can be carried out after magnetic-reset, thus but also magnetic switch
It is highly suitable for the Pulsed power generator of high repetition frequency.
Since pulse power parameters can directly affect DBD plasma discharge characteristic, including repetition rate, polarity of voltage,
It is essential to possess the adjustable pulse power of a set of multi-parameter to explore its changing rule for rising edge etc..And above-mentioned magnetic compression
System is applied to DBD plasma discharge and has the disadvantage that 1. frequency is not usually high.The reset for being limited to magnetic switch is either low
Control switch is pressed, the working frequency of these usual magnetic compression systems is not high, substantially all in 1-2kHz hereinafter, still at present for height
The research system not enough of the lower DBD electric discharge of frequency.2. the magnetic compression system of the studies above is generally operational in the case of unipolarity, and is ground
Study carefully and shows that DBD discharge process and unipolarity have apparent difference under Bi-Directional Pulsed Voltage Technique.Think in text, since DBD discharges
The accumulation of middle dielectric material surface charge can generate an electric field opposite with applied pulse polarity, weaken next pulse
Generated electric field；And when using bipolar pulse, the charge electric field of the electric field and accumulation that are generated due to pulse is in the same direction, Neng Gouyou
Effect reduces firing potential.
Summary of the invention
The purpose of the present invention is propose that a kind of DBD high-frequency bipolar based on magnetic pulse compression is received to solve above-mentioned difficulties
Second pulse generator.The device is based on full bridge inverter, pulse transformer and magnetic switch, not only overcomes conventional semiconductors and opens
The lower disadvantage of pressure resistance is closed, also generates bipolar pulse using full bridge inverter, magnetic core reset circuit can be saved to big
The big working frequency for improving magnetic compression system, is conducive to the expansion application of magnetic compression system.
To realize the present invention purpose and the technical solution adopted is that a kind of such, DBD high-frequency bipolar based on magnetic compression
Property millimicrosecond pulse generator, it is characterised in that: including power-supply system, solid state switching system, control circuit and magnetic pulse compression system
System.
The power-supply system includes high-voltage DC power supply, charging resistor and shunt capacitor.The high-voltage DC power supply
Charging resistor and shunt capacitor are sequentially connected in series between the two poles of the earth.The both ends of the shunt capacitor are the output end of power-supply system
Son.
The solid state switching system includes: drive module and IGBT full-bridge switch group.
The drive module includes+15VDC/DC isolation module ,+15VDC/+5VDC conversion module, fiber optic receiver and drive
Dynamic chip.
The IGBT full-bridge switch group includes IGBT-1, IGBT-2, IGBT-3, IGBT-4.
The drive module receives after the control signal of control circuit, to IGBT-1, IGBT-2, IGBT-3 and
IGBT-4 gate pole G inputs driving current signal.
The control circuit includes signal generator, optical fibre driver, fiber optic emitter and 1 point of 2 optical fiber splitter.
In the IGBT full-bridge switch group: the collector of IGBT-1 is connected with the collector of IGBT-2, and accesses power supply system
One output terminal of system.The collector of the emitter connection IGBT-3 of IGBT-1, and one for becoming solid state switching system is defeated
Terminal out.The collector of the emitter connection IGBT-4 of IGBT-2, and become another output of solid state switching system.
The emitter of IGBT-3 is connected with the emitter of IGBT-4, and accesses another output of power-supply system.
The magnetic pulse compression system includes pulse transformer, sharpening capacitor device, magnetic switch and resistance.
The pulse transformer includes an amorphous nano-crystalline alloy annular magnet core.Two sections of insulated conductors are received rotating around in amorphous
On rice peritectic alloy toroidal core, it is respectively formed primary side winding coil and vice-side winding coil.The both ends of the primary side winding coil
It is respectively connected to two output terminals of solid state switching system.The both ends parallel connection sharpening capacitor device of the vice-side winding coil.
The magnetic switch includes ferrite toroidal magnetic core.Insulated conductor is wound on ferrite toroidal magnetic core and forms winding wire
Circle.It connects between the both ends of sharpening capacitor device the winding coil and resistance.
Further, 220V alternating current is converted to the direct current of ceiling voltage 1kV, maximum direct current by the high-voltage power module
Electric current is 1.5A.
Further, the pulse transformer is the transformer of voluntarily coiling, including 20kV insulated conductor and amorphous nano-crystalline
Alloy annular magnet core.First by the 20kV insulated conductor of 10cm length in amorphous nano-crystalline alloy annular magnet core around Liang Quan, conducting wire
Input terminal of the both ends as pulse transformer.Again by the 20kV insulated conductor of 200cm length in amorphous nano peritectic alloy in annular
Magnetic core is around Si Shiquan, and conducting wire both ends are as output end.The magnetic switch, including 20kV insulated conductor and ferrite toroidal magnetic core.
By the 20kV insulated conductor of 100cm length in ferrite toroidal magnetic core around 20 circles, conducting wire both ends are as linkage section.In order to improve arteries and veins
It rushes the rise time, all conducting wires should be closely wound on magnetic core.
It is worth noting that the present invention is compressed pulse voltage using satiable inductor, to improve voltage wave
Rising edge, while in order to improve the working frequency of generator, bipolar pulse is generated using full bridge inverter, degaussing can be saved
Core reset circuit.
After the invention adopts the above technical scheme, mainly have it is following the utility model has the advantages that
1, the present invention pulse is compressed using magnetic switch, relative to semiconductor switch its pressure resistance with through-current capability significantly
Increase, and does not generate abrasion or deterioration substantially, therefore circuit can greatly be simplified.
2, the present invention using full bridge inverter generate Bi-Directional Pulsed Voltage Technique wave, can save magnetic core reset circuit to
The working frequency for greatly improving magnetic compression system is conducive to the expansion application of magnetic compression system.
Detailed description of the invention
The device of the invention can be further illustrated by the non-limiting example that attached drawing provides.
Fig. 1 is the principle of the present invention block diagram；
Fig. 2 is circuit diagram of the invention；
Fig. 3 is solid state switching system schematic diagram of the invention；
Fig. 4 is IGBT full-bridge switch group schematic diagram of the invention；
Fig. 5 is control signal principle figure of the invention；
Fig. 6 is the pulse transformer amorphous nano-crystalline alloy annular magnet core scale diagrams of example 1；
Fig. 7 is the pulse transformer winding schematic diagram of example 1；
Fig. 8 is the magnetic switch ferrite toroidal magnetic core size schematic diagram of example 1；
Fig. 9 is the magnetic switch winding schematic diagram of example 1.
In figure: power-supply system (1), solid state switching system (2), control circuit (3) and magnetic pulse compression system (4).
Specific embodiment
Below with reference to embodiment, the invention will be further described, but should not be construed the above-mentioned subject area of the present invention only
It is limited to following embodiments.Without departing from the idea case in the present invention described above, according to ordinary skill knowledge and used
With means, various replacements and change are made, should all include within the scope of the present invention.
Referring to Fig. 1, a kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression of the present embodiment includes: electricity
Source system 1, solid state switching system 2, control circuit 3 and magnetic pulse compression system 4.
Referring to fig. 2, the power-supply system 1 includes high-voltage DC power supply 101, charging resistor 102 and shunt capacitor 103.
Charging resistor 102 and shunt capacitor 103 are sequentially connected in series between the two poles of the earth of the high-voltage DC power supply 101.The shunt capacitance
The both ends of device 103 are the output terminal of power-supply system 1.The cathode of high-voltage DC power supply 101 is grounded.In embodiment, high voltage direct current
Power supply 101 is commercially available module, ceiling voltage amplitude 1kV, the maximum current amplitude 1.5A direct current of output.The charging resistor
102 be commercially available element, for limiting the charging current amplitude of high voltage power supply mould 101 for example, in one example, resistance value 50
Ω, rated power 50W.
The solid state switching system 2 includes: drive module and IGBT full-bridge switch group 205.
IGBT-1206, IGBT-2207 of the IGBT full-bridge switch group 205 including model IXYH82N120C3,
IGBT-3208、IGBT-4209。
The drive module receives after the control signal of control circuit 3, to IGBT-1206, IGBT-2207,
IGBT-3208 and IGBT-4209 gate pole G inputs driving current signal.
In example, 3 Phototube Coupling of the drive module and control circuit.I.e. as shown in Figures 3 and 5, the drive module packet
Include+15VDC/DC isolation module 201 ,+15VDC/+5VDC conversion module 202, model HFBR2412 fiber optic receiver 203,
The driving chip 204 of model IXDI600PI.15V voltage is converted to 5V voltage by the conversion module 202.The driving core
The power end of piece 204 is connect by conducting wire with the output end of isolation module 201, power input and the 15V electricity of isolation module 201
The connection of source line, isolation module 201 are the power supply of driving chip 204.
The signal input part of driving chip 204 is connect with the signal output end of fiber optic receiver 203, and driving chip 204 connects
Receive the electric signal from fiber optic receiver 203.The power input of the fiber optic receiver 203 passes through conducting wire and conversion module
202 output end connection, the power end of conversion module 202 are connect with 15V power supply line, and conversion module 202 is converted to 15V voltage
5V voltage is powered to fiber optic receiver 203.The output end of driving chip 204 is to IGBT-1206, IGBT-2207, IGBT-3208
Driving current signal is inputted with IGBT-4209 gate pole G.
In the IGBT full-bridge switch group 205: the collector of IGBT-1206 is connected with the collector of IGBT-2207, and connects
Enter an output terminal of power-supply system 1.The collector of the emitter connection IGBT-3208 of IGBT-1206, and opened as solid-state
One output terminal of relationship system 2.The collector of the emitter connection IGBT-4209 of IGBT-2207, and become solid-state switch system
Another output of system 2.The emitter of IGBT-3208 is connected with the emitter of IGBT-4209, and accesses power-supply system 1
Another output son.
As shown in figure 5, the control circuit 3 includes the signal generator 301 of model AFG3000C, model
2 optical fiber splitter 304 of fiber optic emitter 303 and 1 point of the optical fibre driver 302 of DS75451, model HFBR1414.It is described
The signal output end of signal generator 301 is connect with the input terminal of optical fibre driver 302, and the processing of signal generator 301 generates
TTL square wave pulse control signal is transferred to optical fibre driver 302.The output end of optical fibre driver 302 and fiber optic emitter 303
Input terminal connection, transmission fiber transmitter 303 carry out electrical/optical conversion according to the driving signal that optical fibre driver 302 exports.Optical fiber
The output end of transmitter 303 is connect with the input terminal of fiber optic receiver 203 by 1 point of 2 optical fiber splitter 304, realizes optical signal
Transmission.
The magnetic pulse compression system 4 includes pulse transformer 401, sharpening capacitor device 404, magnetic switch 405 and parallel connection electricity
Resistance 407.
The pulse transformer 401 includes an amorphous nano-crystalline alloy annular magnet core.Two sections of insulated conductors are rotating around non-
On brilliant nanometer crystal alloy toroidal core, it is respectively formed primary side winding coil and vice-side winding coil.The primary side winding coil
Both ends are respectively connected to two output terminals of solid state switching system 2.The both ends parallel connection sharpening capacitor device of the vice-side winding coil
404。
In one example, the parallel resistance 407 is commercially available element, and resistance value is 300 Ω, rated power 100W.Such as
Shown in Fig. 7, two input terminals of the pulse transformer 401 are connected with the output end of IGBT full-bridge switch group 205 respectively, output
End includes two branches, and a branch and 404 both ends of sharpening capacitor device are respectively connected with forming circuit；One end of another branch with
One end of magnetic switch 405 is connected, and 405 other end of magnetic switch is connected with 407 one end of parallel resistance, 407 other end of parallel resistance and
The output end of pulse transformer 401 is connected to form circuit；Parallel resistance 407 and 404 junction of sharpening capacitor device are grounded.
As shown in Figure 6,7, the pulse transformer 401 is the transformer of voluntarily coiling, including 20kV insulated conductor and non-
Brilliant nanometer crystal alloy toroidal core, lead conductor nominal area of section are 2.5mm2, conductor is the conducting wire of 0.25mm by 49 diameters
It is composed, for wire insulation with a thickness of 2.4mm, amorphous nano-crystalline alloy annular magnet core is domestic magnetic core, model 1K107, ruler
Very little is that 120 outer diameter of Φ × 70 internal diameter × 25 are high.In the design of pulse transformer 401, less the number of turns can make magnetizing inductance subtract
Small, excitation current increases, and increases so as to cause loss；And increasing the number of turns can make leakage inductance increase, and voltage rising edge is caused to slow down.
Therefore, it is necessary to reasonably select 401 the number of turns of pulse transformer.According to formula:
In formula, N1For primary side the number of turns, ep、tcFor primary side pulse voltage and pulse operating time, SeFor magnetic core effective cross section
Product, is determined, △ B by magnetic core size and fill factormaxFor magnetic induction intensity changing value.Select 0.6Bs as working region herein
It is calculated, finally obtains N1>=1.03 circles, it is contemplated that excitation current chooses 2 circles as primary side the number of turns, and secondary side the number of turns is then 40
Circle.First by the 20kV insulated conductor of 10cm length in amorphous nano-crystalline alloy annular magnet core around Liang Quan, the both ends of conducting wire are as arteries and veins
Rush the input terminal of transformer；Again by the 20kV insulated conductor of 200cm length in amorphous nano peritectic alloy in toroidal core around 40
Circle, conducting wire both ends are as output end；
The magnetic switch 405 includes 20kV insulated conductor and ferrite toroidal magnetic core.20kV insulated conductor is wound on ferrite
Winding coil is formed on toroidal core.It connects between the both ends of sharpening capacitor device 404 winding coil and parallel resistance 407.
The pulse transformer 401 is the transformer of voluntarily coiling, including 20kV insulated conductor and amorphous nano peritectic alloy
Toroidal core.First by the 20kV insulated conductor of 10cm length in amorphous nano-crystalline alloy annular magnet core around Liang Quan, the both ends of conducting wire
Input terminal as pulse transformer 401.Again by the 20kV insulated conductor of 200cm length in amorphous nano peritectic alloy in annular magnetic
Core is around Si Shiquan, and conducting wire both ends are as output end.The magnetic switch 405, including 20kV insulated conductor and ferrite toroidal magnetic core.
By the 20kV insulated conductor of 100cm length in ferrite toroidal magnetic core around 20 circles, conducting wire both ends are as linkage section.In order to improve arteries and veins
It rushes the rise time, all conducting wires should be closely wound on magnetic core.
In one example, for coiling using 20kV insulated conductor and ferrite toroidal magnetic core, lead conductor is nominal
Sectional area is 2.5mm2, conductor forms by the conductor combination that 49 diameters are 0.25mm, and wire insulation is with a thickness of 2.4mm, annular
Magnetic core is Ni-Zn ferrite, high having a size of 85.7 outer diameter of Φ × 55.5 internal diameter × 25.4.In order to determine magnetic switch the number of turns, need
Voltagesecond product on magnetic switch is calculated.If circuit intermediate value is C1Shunt capacitor 103, pulse transformer 401 it is spuious
Inductance Ls, pulse transformer 401 and value be C2Sharpening capacitor device 404 constitute resonant charging circuit, transformer secondary leakage inductance folding
Calculating the charging voltage after primary side above sharpening capacitor device 404 can indicate are as follows:
Wherein, n is the ratio of secondary side circle and primary side the number of turns.
Generally in the case where the number of turns is less, stray inductance LSFor 1~2uH, due to C1It is far longer than n2C2, C2Voltage magnitude
2nU can be reached0, and the voltage designed herein is nU0, bring into and t ≈ 586ns be calculated, therefore by the turn-on time t of switch0
It is set as 600ns.At this point, the number of turns required for magnetic switch is saturated is calculated according to formula:
Therefore, the 20kV insulated conductor of 100cm length is enclosed in ferrite toroidal magnetic core around 20, conducting wire both ends are as connection
Section；In order to improve pulse rise time, all conducting wires should be closely wound on magnetic core.
Claims (3)
1. a kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression, it is characterised in that: including power-supply system (1),
Solid state switching system (2), control circuit (3) and magnetic pulse compression system (4)；
The power-supply system (1) includes the high-voltage DC power supply (101), charging resistor (102) and shunt capacitor (103)；
Charging resistor (102) and shunt capacitor (103) are sequentially connected in series between the two poles of the earth of the high-voltage DC power supply (101)；It is described simultaneously
The both ends for joining capacitor (103) are the output terminal of power-supply system (1)；
The solid state switching system (2) includes: drive module and IGBT full-bridge switch group (205)；
The drive module includes+15VDC/DC isolation module (201) ,+15VDC/+5VDC conversion module (202), optical fiber reception
Device (203) and driving chip (204)；
The IGBT full-bridge switch group (205) includes IGBT-1 (206), IGBT-2 (207), IGBT-3 (208), IGBT-4
(209)；
The drive module receives after the control signal of control circuit (3), to IGBT-1 (206), IGBT-2 (207),
IGBT-3 (208) and IGBT-4 (209) gate pole G inputs driving current signal；
In the IGBT full-bridge switch group (205): the collector of IGBT-1 (206) is connected with the collector of IGBT-2 (207), and
Access an output terminal of power-supply system (1)；The collector of emitter connection IGBT-3 (208) of IGBT-1 (206), and at
For an output terminal of solid state switching system (2)；The collector of emitter connection IGBT-4 (209) of IGBT-2 (207), and
Another output as solid state switching system (2)；The emitter of IGBT-3 (208) and the emitter of IGBT-4 (209)
It is connected, and accesses another output of power-supply system (1)；
The control circuit (3) includes signal generator (301), optical fibre driver (302), fiber optic emitter (303) and 1 point 2
Optical fiber splitter (304)；
The magnetic pulse compression system (4) includes pulse transformer (401), sharpening capacitor device (404), magnetic switch (405) and electricity
It hinders (407)；
The pulse transformer (401) includes an amorphous nano-crystalline alloy annular magnet core；Two sections of insulated conductors are rotating around in amorphous
On nanometer crystal alloy toroidal core, it is respectively formed primary side winding coil and vice-side winding coil；The two of the primary side winding coil
End is respectively connected to two output terminals of solid state switching system (2)；The both ends parallel connection sharpening capacitor device of the vice-side winding coil
(404)；
The magnetic switch (405) includes ferrite toroidal magnetic core；Insulated conductor is wound on ferrite toroidal magnetic core and forms winding wire
Circle；It connects between the both ends of sharpening capacitor device (404) winding coil and resistance (407).
2. a kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression according to claim 1, feature exist
In:
220V alternating current is converted to the direct current of ceiling voltage 1kV by the high-voltage power module (101), and maximum direct current is
1.5A。
3. a kind of DBD high-frequency bipolar millimicrosecond pulse generator based on magnetic compression according to claim 1 or claim 2, feature
It is:
The pulse transformer (401) is the transformer of voluntarily coiling, including 20kV insulated conductor and amorphous nano-crystalline alloy hoop
Shape magnetic core, first by the 20kV insulated conductor of 10cm length in amorphous nano-crystalline alloy annular magnet core around Liang Quan, the both ends of conducting wire are made
For the input terminal of pulse transformer；Again by the 20kV insulated conductor of 200cm length amorphous nano peritectic alloy toroidal core around
40 circles, conducting wire both ends are as output end；The magnetic switch (405), including 20kV insulated conductor and ferrite toroidal magnetic core；It will
The 20kV insulated conductor of 100cm length is in ferrite toroidal magnetic core around 20 circles, and conducting wire both ends are as linkage section；In order to improve pulse
Rise time, all conducting wires should be closely wound on magnetic core.
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| CN108173450B (en) * | 2018-02-06 | 2024-03-12 | 中国工程物理研究院流体物理研究所 | High-power bipolar pulse forming circuit integrating high-voltage short pulse pre-ionization |
| CN108471254B (en) * | 2018-04-18 | 2020-07-28 | 重庆大学 | Modularized solid microsecond pulse generator for simulating saturation reactor insulation electric stress |
| CN109448951B (en) * | 2018-11-24 | 2021-03-26 | 芜湖国睿兆伏电子有限公司 | Demagnetization circuit of solid-state pulse modulator |
| CN110611452A (en) * | 2019-10-23 | 2019-12-24 | 重庆大学 | Parameter-adjustable fast-rising leading edge pulse generator and working method |
| DE102021124377A1 (en) * | 2021-09-21 | 2023-03-23 | Cinogy Gmbh | Electrode arrangement for a plasma discharge |
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|---|---|---|---|---|
| EP2294693A1 (en) * | 2008-05-23 | 2011-03-16 | University Of Southern California | Nanosecond pulse generator |
| CN104104362A (en) * | 2014-07-03 | 2014-10-15 | 中国科学院电子学研究所 | High-amplitude picosecond balance pulse signal generator |
| CN106208797A (en) * | 2016-08-31 | 2016-12-07 | 成都磁动势科技有限公司 | Electron gun high-voltage pulse power source |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2294693A1 (en) * | 2008-05-23 | 2011-03-16 | University Of Southern California | Nanosecond pulse generator |
| CN104104362A (en) * | 2014-07-03 | 2014-10-15 | 中国科学院电子学研究所 | High-amplitude picosecond balance pulse signal generator |
| CN106208797A (en) * | 2016-08-31 | 2016-12-07 | 成都磁动势科技有限公司 | Electron gun high-voltage pulse power source |
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