CN106357147B - A kind of high-effect high current combination wave generation circuit - Google Patents
A kind of high-effect high current combination wave generation circuit Download PDFInfo
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- CN106357147B CN106357147B CN201610874784.XA CN201610874784A CN106357147B CN 106357147 B CN106357147 B CN 106357147B CN 201610874784 A CN201610874784 A CN 201610874784A CN 106357147 B CN106357147 B CN 106357147B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
- H02M11/00—Power conversion systems not covered by the preceding groups
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Abstract
The invention discloses a kind of high-effect high currents to combine wave generation circuit, including pulse voltage circuit, pulse current loop, through-flow diode and load, pulse voltage circuit includes the first charge power supply, the first storage capacitor, crowbar diode, pulse transformer, through-flow diode and isolation capacitance, pulse current loop includes the second charge power supply and the second storage capacitor, the circuit can generate high current, and structure is simple, at low cost.
Description
Technical field
The invention belongs to the pulse power and field of electromagnetic compatibility, and in particular to a kind of high-effect high current composite wave generation electricity
Road.
Background technique
High-effect pulse power supply has a variety of applications as power supply in Pulse Power Techniques, and Trigatron gas is opened
Pass is the important component in impulse power electrical source device, and pulse transformer is mostly used to be triggered.Pulse transformer for
While Trigatron gas switch provides required trigger voltage, certain trigger energy is also provided.
With going deep into both at home and abroad to the triggering puncture mechanism research of Trigatron gas switch, notional result is gradually
It is perfect.Research finds the increase with trigger source trigger voltage and the reduction in forward position, and the operating voltage range of switch increases, punctures
Time delay and shake reduce, and the operating voltage range that trigger energy increases switch also will increase.
The pulse transforming type trigger source of tradition application is influenced by circuit efficiency and transformer itself saturated characteristic, triggers energy
Measure limited, and (" one kind is for triggering for referenced patents for the combiner circuit using high voltage and high current of research in recent years
The trigger source of Trigatron gas switch ", Yang Lanjun, 2013.04.27, application publication number CN 103248264A) improve triggering
Generation pulse current wave when the novel trigger source of energy can also generate pulse voltage wave, gap shorting when gap is opened a way, but by
The presence of magnetic switch in circuit, so that trigger voltage forward position slows down, amplitude reduces, the presence of magnetic switch pulsactor when electric discharge
But also circuit discharging efficiency reduces；And current source is directly attempted by load gap both ends, if load gap insulation failure
False triggering can occur, reduce the safety coefficient of trigger source.
As electric discharge ablation forms the increasingly mature of plasma technique, application is also increasingly extensive, efficient and compact
Pulse power supply is one of research emphasis of its application, the trigger process of discharge process and Trigatron gas switch
It is similar, it is necessary first to which that gap breakdown will be loaded by generating pulse high-voltage, and then high current produces gas material by gap discharge and ablation
Material, forms plasma under heat radiation and conduction of heat, i.e. combination wave generation circuit.Traditional single set circuit is using high electricity
It presses the impedance network of high energy-storage capacitor while generating high voltage and high current, but the parameter of device also proposed simultaneously higher
It is required that.
In field of electromagnetic compatibility, the unipolarity surge simulative generator due to caused by switch and transient over-voltage is composite wave
Generator, composite wave are characterized with its output voltage in the open circuit condition with the output electric current under short circuit, it is desirable that it is being loaded
The surge voltage wave that 1.2/50us is exported when open circuit, the dash current wave of 8/20us is exported when load short circuits.Traditional composite wave
Corresponding waveform is calculated by RLC network in generator, but it is to the more demanding of switching device, while needing high voltage
High energy-storage capacitor, undoubtedly increases complexity and cost.
Summary of the invention
It is an object of the invention to overcome the above-mentioned prior art, a kind of high-effect high current composite wave hair is provided
Raw circuit, which can generate high current, and structure is simple, at low cost.
In order to achieve the above objectives, high-effect high current combination wave generation circuit of the present invention includes that pulse voltage is returned
Road, pulse current loop, through-flow diode and load, pulse voltage circuit include the first charge power supply, the first storage capacitor,
Crowbar diode, pulse transformer, through-flow diode and isolation capacitance, pulse current loop include the second charge power supply and
Second storage capacitor；
The anode of first charge power supply and one end of the first storage capacitor, the cathode and pulse transforming of crowbar diode
One end of primary side winding is connected in device, the cathode of the first charge power supply, the other end of the first storage capacitor, bis- pole crowbar
The other end of primary side winding is grounded in the anode and pulse transformer of pipe, in pulse transformer one end of vice-side winding with it is through-flow
The cathode of diode and the anode of load are connected, one end phase of the other end of vice-side winding and isolation capacitance in pulse transformer
Connection, the other end of isolation capacitance and the one of the anode of through-flow diode, the anode of the second charge power supply and the second storage capacitor
End is connected, and the cathode of the cathode of the second charge power supply, the other end of the second storage capacitor and load is grounded.
Pulse voltage circuit further includes the first thyristor and trigger signal generation device, the anode of the first thyristor and first
The anode of charge power supply and the first storage capacitor are connected, the cathode of the first thyristor and the cathode and arteries and veins of crowbar diode
The primary side winding rushed in transformer is connected, and the output end of trigger signal generation device is connected with the control electrode of the first thyristor
It connects.
Pulse current loop further includes maintaining resistance and the second thyristor, the anode of the second thyristor and the second charge power supply
Anode be connected, the cathode of the second thyristor is connected with the anode of one end and through-flow diode for maintaining resistance, maintains electricity
The other end of resistance is grounded, and the control electrode of the second thyristor is connected with the output end of trigger signal generation device.
Pulse current loop further includes freewheeling diode and protection inductance, wherein the cathode of freewheeling diode is filled with second
The anode of power supply is connected, and the anode of freewheeling diode is connected with one end of protection inductance, protects another termination of inductance
Ground.
Pulse current loop further includes harmonic inductance and wave regulating resistor, wherein the cathode of the second thyristor is successively through harmonic
Resistance and harmonic inductance are connected with the anode of through-flow diode.
Further include damping resistance, one end of damping resistance is connected with isolation capacitance, the other end of damping resistance with it is through-flow
The anode of diode is connected.
The invention has the following advantages:
The high-effect high current combination wave generation circuit of the present invention includes pulse voltage circuit, pulse current loop, through-flow two
Pole pipe and load are discharged to the primary side winding of pulse transformer by the first storage capacitor, then are coupled in pulse by magnetic core and become
High voltage pulse is generated on the vice-side winding of depressor, and is applied on the gap of load, rises to the specified breakdown value in gap in voltage
Post gap conducting, by the second storage capacitor and through-flow diode to load discharge, to generate high-effect big electricity in load
Stream, and structure is simple, avoids using the high energy-storage capacitor of high voltage, and cost is relatively low, while being issued by the second storage capacitor
Pulse current synthesized with the pulse high-voltage that pulse transformer vice-side winding generates improve pulse power supply output energy, this
Continuous discharge can be provided for the triggering that invention is switched as Trigatron, is conducive to ultraviolet preionization and plasma produces
It is raw；For the present invention forms plasma pulse power supply as triggering electric discharge ablation, circuit is efficiently simple, and safety coefficient is high；
Low in cost for the present invention is as the combination wave generator of field of electromagnetic compatibility, loop parameter flexibility is high.In addition, through-flow
Diode is connected with the vice-side winding of pulse transformer, reduces the loss of perceptual device and resistance in pulse current loop, mentions
The efficiency in high pulse voltage circuit.Meanwhile preventing pulse current from flowing through the vice-side winding of pulse transformer by isolation capacitance, it is
Through-flow diode provides turning-on voltage.
Further, it is isolated between the second storage capacitor and load gap using the second thyristor, is avoided between load
Gap has circuit in the case where insulation defect to misplace electricity；The trigger signal of first thyristor and the second thyristor passes through trigger signal
Generation device issues, easily controllable；Simultaneously by maintaining resistance the second thyristor can be maintained to hold before loading gap breakdown
Continuous conducting, while pulse transformer pulse output negative terminal is clamped down on into ground potential.
Further, the concussion in pulse voltage circuit is damped by damping resistance, reduces device in pulse voltage circuit
Damage improves the reliability in pulse voltage circuit.
Detailed description of the invention
Fig. 1 is the structural schematic diagram when present invention is used for pulsed-power industry；
Fig. 2 is the structural schematic diagram when present invention is used for field of electromagnetic compatibility.
Specific embodiment
The invention will be described in further detail with reference to the accompanying drawing:
With reference to Fig. 1, high-effect high current combination wave generation circuit of the present invention includes pulse voltage circuit, pulse electricity
Flow back to road, through-flow diode D4 and load W, pulse voltage circuit include the first charge power supply P1, the first storage capacitor C1,
Crowbar diode D3, pulse transformer T, through-flow diode D4 and isolation capacitance C3, pulse current loop include the second charging
Power supply P2 and the second storage capacitor C2；One end, bis- pole crowbar of the anode and the first storage capacitor C1 of first charge power supply P1
One end of primary side winding is connected in the cathode and pulse transformer T of pipe D3, cathode, the first energy storage electricity of the first charge power supply P1
The other end of primary side winding is grounded in the other end of appearance C1, the anode and pulse transformer T of crowbar diode D3, pulse
One end of vice-side winding is connected with the anode of the cathode of through-flow diode D4 and load W in transformer T, in pulse transformer T
The other end of vice-side winding is connected with one end of isolation capacitance C3, and the other end of isolation capacitance C3 and through-flow diode D4 are just
One end of pole, the anode of the second charge power supply P2 and the second storage capacitor C2 is connected, the cathode of the second charge power supply P2, second
The other end of storage capacitor C2 and the cathode for loading W are grounded.
Pulse voltage circuit further includes the first thyristor D1 and trigger signal generation device, the anode of the first thyristor D1 with
The anode of first charge power supply P1 and the first storage capacitor C1 are connected, the cathode and crowbar diode of the first thyristor D1
The cathode of D3 and the primary side winding in pulse transformer T are connected, the output end of trigger signal generation device and the first thyristor
The control electrode of D1 is connected.
Pulse current loop further includes that resistance R2 and the second thyristor D2, the anode of the second thyristor D2 is maintained to fill with second
The anode of power supply P2 is connected, the anode of the cathode of the second thyristor D2 and one end and through-flow diode D4 for maintaining resistance R2
It is connected, maintains the other end ground connection of resistance R2, the control electrode of the second thyristor D2 and the output end of trigger signal generation device
It is connected.
Pulse current loop further include sustained diode 5 and protection inductance L1, wherein the cathode of sustained diode 5 with
The anode of second charge power supply P2 is connected, and the anode of sustained diode 5 is connected with one end of protection inductance L1, protection electricity
Feel the other end ground connection of L1.
Pulse current loop further includes harmonic inductance L2 and wave regulating resistor R3, wherein the cathode of the second thyristor D2 is successively
It is connected through wave regulating resistor R3 and harmonic inductance L2 with the anode of through-flow diode D4.
The invention also includes damping resistance R1, one end of damping resistance R1 is connected with isolation capacitance C3, damping resistance R1
The other end be connected with the anode of through-flow diode D4.
According to different applications and requirement, the capacitance of the second storage capacitor C2 is 10uF~70uF, charging electricity
Pressure is 1kV~3kV；Through-flow diode D4 is the power diode of high voltage withstanding, the logical high current of the energy of multiple Diode series, is protected
It protects inductance L1 limitation di/dt and protects semiconductor switch, value is 1uH~10uH；Second thyristor D2 turn-on time is less than 1us；
The capacitance of isolation capacitance C3 takes 300pF~5000pF, the pressure resistance and the output phase of pulse transformer T vice-side winding of isolation capacitance C3
Cooperation；Damping resistance R1 calculates to obtain circuit concussion parameter value according to pulse transformer T equivalent circuit；Maintenance resistance R2 value is 5k
Ω~50k Ω；In field of electromagnetic compatibility as the combination wave generator used time, by sustained diode 5 parallel branch open circuit (such as Fig. 2
It is shown), to eliminate long wave rear caused by afterflow, while the harmonic inductance L2 and damping resistance R3 of special value is added, thus
To the short circuit current wave of 8/20us.
Embodiment one
The present invention is that the capillary discharging of single gap forms the pulse power of plasma device, discharge loop such as Fig. 1
It is shown, wherein pulse voltage part output amplitude is the high voltage pulse of 30kV, forward position 280ns, and the second storage capacitor C2 is
18uF, charging voltage 1200V, capillary discharging channel reliably puncture, and the second storage capacitor C2 passes through breakdown channel to capillary
Pipe sedimentary energy forms jet plasma under the action of heat radiation and heat transfer.
Embodiment two
The present invention is trigger for Trigatron gas switch, wherein pulse voltage part output amplitude is
The high voltage pulse of 30kV, forward position 280ns, the capacitance of the second storage capacitor C2 are 18uF, charging voltage 1200V；Trigatron
It when gas switch triggered gap distance is 1.5mm, is triggered using the trigger, switch can be reliable under 4% service factor
Work.
Embodiment three
The present invention is the trigger for Trigatron gas switch, wherein.Pulse voltage part output amplitude is
The capacitance of the high voltage pulse of 30kV, forward position 280ns, the second storage capacitor C2 takes 18uF, and charging voltage takes 2200V；Trigatron
It when gas switch triggered gap distance is 1.5mm, is triggered using the trigger, switch can be reliable under 4% service factor
Work, and trigger charges do not occur gap self breakdown phenomenon for a long time.
Example IV
The present invention is trigger for Trigatron gas switch, wherein pulse voltage part output amplitude be 30kV,
The high voltage pulse of forward position 280ns, the capacitance of the second storage capacitor C2 take 8uF, charging voltage 1200V；Trigatron gas is opened
Close triggered gap distance be 1.5mm when, triggered using the trigger, switch can under 15% service factor reliably working.
Embodiment five
The present invention is the combination wave generator detected for electromagnetic compatibility, and circuit theory is the second energy storage electricity shown in Fig. 2
Appearance C2 is 18uF, and charging voltage 1200kV, harmonic inductance L2 are 4.2uH, and resistance is 454m Ω.Wherein pulse voltage part is defeated
The open circuit voltage wave of amplitude 1kV out, pulse current part export the short circuit current wave of peak value 6.8kA, and waveform meets in IEC standard
8 μ s (± 20%)/20 μ s (± 20%) of dash current wave.
Embodiment six
The present invention is the pulse power that jet plasma device is formed for two gap capillary dischargings, wherein pulse electricity
Laminate section generates the high voltage pulse of amplitude 30kV, forward position 280us, and the second storage capacitor C2 takes 72uF, charging voltage 2kV,
The triggered gap of middle injector reliably can puncture to form weak capillary discharging, and the main discharge gap that ignites forms capillary discharging
Jet plasma, main channel current peak are 3.9kA, and electric discharge pulsewidth is 22us.
Claims (6)
1. a kind of high-effect high current combines wave generation circuit, which is characterized in that including pulse voltage circuit, pulse current loop
And load (W), pulse voltage circuit include the first charge power supply (P1), the first storage capacitor (C1), crowbar diode
(D3), pulse transformer (T), through-flow diode (D4) and isolation capacitance (C3), pulse current loop include the second charge power supply
(P2) and the second storage capacitor (C2)；
The anode of first charge power supply (P1) and the one end of the first storage capacitor (C1), crowbar diode (D3) cathode and
One end of primary side winding is connected in pulse transformer (T), the cathode of the first charge power supply (P1), the first storage capacitor (C1)
The other end of primary side winding is grounded in the other end, the anode of crowbar diode (D3) and pulse transformer (T), and pulse becomes
One end of vice-side winding is connected with the anode of the cathode of through-flow diode (D4) and load (W) in depressor (T), pulse transformer
(T) other end of vice-side winding is connected with one end of isolation capacitance (C3) in, the other end of isolation capacitance (C3) and through-flow two
One end of the anode of pole pipe (D4), the anode of the second charge power supply (P2) and the second storage capacitor (C2) is connected, the second charging
The cathode of the cathode of power supply (P2), the other end of the second storage capacitor (C2) and load (W) is grounded.
2. high-effect high current according to claim 1 combines wave generation circuit, which is characterized in that pulse voltage circuit is also
Including the first thyristor (D1) and trigger signal generation device, the anode of the first thyristor (D1) and the first charge power supply (P1)
Anode and the first storage capacitor (C1) are connected, the cathode of the first thyristor (D1) and the cathode of crowbar diode (D3) and
Primary side winding in pulse transformer (T) is connected, the control of the output end of trigger signal generation device and the first thyristor (D1)
Pole processed is connected.
3. high-effect high current according to claim 2 combines wave generation circuit, which is characterized in that pulse current loop is also
Including maintaining resistance (R2) and the second thyristor (D2), the anode of the second thyristor (D2) and the anode of the second charge power supply (P2)
It is connected, the cathode of the second thyristor (D2) is connected with the anode of one end and through-flow diode (D4) for maintaining resistance (R2),
The other end ground connection of resistance (R2) is maintained, the control electrode of the second thyristor (D2) is connected with the output end of trigger signal generation device
It connects.
4. high-effect high current according to claim 1 combines wave generation circuit, which is characterized in that pulse current loop is also
Including freewheeling diode (D5) and protection inductance (L1), wherein the cathode and the second charge power supply (P2) of freewheeling diode (D5)
Anode be connected, freewheeling diode (D5) anode with protection inductance (L1) one end be connected, protect inductance (L1) it is another
One end ground connection.
5. high-effect high current according to claim 3 combines wave generation circuit, which is characterized in that pulse current loop is also
Including harmonic inductance (L2) and wave regulating resistor (R3), wherein the cathode of the second thyristor (D2) successively through wave regulating resistor (R3) and
Harmonic inductance (L2) is connected with the anode of through-flow diode (D4).
6. high-effect high current according to claim 1 combines wave generation circuit, which is characterized in that further include damping resistance
(R1), one end of damping resistance (R1) is connected with isolation capacitance (C3), the other end and through-flow diode of damping resistance (R1)
(D4) anode is connected.
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| CN201610874784.XA CN106357147B (en) | 2016-09-30 | 2016-09-30 | A kind of high-effect high current combination wave generation circuit |
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| CN106357147B true CN106357147B (en) | 2019-02-05 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108322988A (en) * | 2018-04-12 | 2018-07-24 | 西安交通大学 | A kind of commutation switch device suitable for flexible DC power transmission dc circuit breaker |
| CN109061417B (en) * | 2018-08-22 | 2020-09-04 | 合肥航太电物理技术有限公司 | Long-gap strong-current discharge system based on high-voltage impact follow current |
| CN110164566B (en) * | 2019-04-25 | 2020-10-30 | 中国科学院合肥物质科学研究院 | Method for protecting plasma current of EAST device |
| CN110768564B (en) * | 2019-07-09 | 2021-12-07 | 西安空间无线电技术研究所 | Composite thruster load self-adaptive power supply system and power supply method |
| CN113241707A (en) * | 2021-05-08 | 2021-08-10 | 贵州电网有限责任公司 | Distributed electric pulse deicing device and method for overhead transmission line ground wire |
| CN114362308B (en) * | 2022-01-07 | 2022-08-26 | 哈尔滨工业大学 | Pulse heavy current generator |
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| JP2001217092A (en) * | 2000-01-31 | 2001-08-10 | Asahi National Lighting Co Ltd | Discharge lamp lighting device |
| CN103248264A (en) * | 2013-04-27 | 2013-08-14 | 西安交通大学 | Trigger for triggering Trigatron gas switch |
| CN203166799U (en) * | 2013-03-12 | 2013-08-28 | 江苏一同环保工程技术有限公司 | Large-power serial connection overlapped type pulse power supply |
| CN104617809A (en) * | 2015-02-16 | 2015-05-13 | 哈尔滨工业大学 | Main pulse power supply of light source for detecting discharging of Xe medium capillary |
| CN105207516A (en) * | 2015-09-14 | 2015-12-30 | 上海交通大学 | High-frequency, high-voltage and direct-current superposition high-voltage pulse power source used for conducting electric dedusting |
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|---|---|---|---|---|
| JP2001217092A (en) * | 2000-01-31 | 2001-08-10 | Asahi National Lighting Co Ltd | Discharge lamp lighting device |
| CN203166799U (en) * | 2013-03-12 | 2013-08-28 | 江苏一同环保工程技术有限公司 | Large-power serial connection overlapped type pulse power supply |
| CN103248264A (en) * | 2013-04-27 | 2013-08-14 | 西安交通大学 | Trigger for triggering Trigatron gas switch |
| CN104617809A (en) * | 2015-02-16 | 2015-05-13 | 哈尔滨工业大学 | Main pulse power supply of light source for detecting discharging of Xe medium capillary |
| CN105207516A (en) * | 2015-09-14 | 2015-12-30 | 上海交通大学 | High-frequency, high-voltage and direct-current superposition high-voltage pulse power source used for conducting electric dedusting |
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