CN106559007B - A kind of adjustable dipulse fast rise time dash current generation device and method of being delayed - Google Patents
A kind of adjustable dipulse fast rise time dash current generation device and method of being delayed Download PDFInfo
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- CN106559007B CN106559007B CN201611004767.7A CN201611004767A CN106559007B CN 106559007 B CN106559007 B CN 106559007B CN 201611004767 A CN201611004767 A CN 201611004767A CN 106559007 B CN106559007 B CN 106559007B
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- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
- H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
- H03K3/53—Generators characterised by the type of circuit or by the means used for producing pulses by the use of an energy-accumulating element discharged through the load by a switching device controlled by an external signal and not incorporating positive feedback
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Abstract
It include prepulsing current source, internal box, main pulse current source and the outer case that from-inner-to-outer is set gradually the present invention relates to a kind of adjustable dipulse fast rise time dash current generation device of delay and method, the adjustable dipulse fast rise time dash current generation device that is delayed；Delay time between the main pulse current source and prepulsing current source is controlled by double groups of multiple-channel output fast rise time triggers.The present invention integrally uses axle center shape structure, and from-inner-to-outer is disposed with prepulsing current source, internal box, main pulse current source and outer case；It is compact-sized small in size, the manufacture difficulty and cost of dipulse high current generation device are greatly reduced, while decreasing the occupied area of device, is suitable for popularization and application.Delay time between main pulse current source and prepulsing current source is arranged by double groups of multiple-channel output fast rise time triggers, can accurately control delay time.
Description
Technical field
The present invention relates to a kind of adjustable dipulse fast rise time dash current generation device of delay and methods.
Background technique
The Z constriction that pulse high current is generated by wire battle array is in nuclear weapon physics, X-ray radiation effect, inertial confinement
Fusion and fusion energy resource etc. have widespread demand, such as U.S.'s ZR device (26MA), China Engineering Physics Research Institute " poly- dragon one
Number " (8MA) etc..In recent years, Imperial College of Britain on MAGPIE device research shows that: wire battle array first passes through tens of
Nanosecond forward position prepulsing electric current (silk diameter a few micrometers, length about 2cm, monofilament electric current about 1kA), heating and gasifying, formed it is symmetrical
Thin uniform layer cylindrical metal gas, delay certain time (tens of to hundreds of ns) pass through the big electricity of MA grade pulse of hundred ns of forward position again
Stream can inhibit plasma instability development, be conducive to improve the x-ray power that the radiation of Z constriction generates.MAGPIE device
Prepulsing electric current is shunted by the bypass loop in parallel with load, is delayed certain time, and load open circuit is bypassed, and main pulse electric current is cut
Filament array load is changed to, the delay between amplitude and prepulsing and main pulse cannot be controlled accurately, lead to the general of Success in Experiment
Rate is lower.Wire-array Z-pinch characteristic research on French Syrinx device also indicates that silk battle array first passes through fast rise time prepulsing electricity in advance
Stream is conducive to improve Z pinch load characteristic, and prepulsing electric current passes through the sides such as the triggering timing of control parallel discharge number switch
Method realizes that prepulsing electric current forward position is suitable with main pulse current source forward position, is unfavorable for being formed symmetrically and evenly thin layer cylindrical metal
Gas.
Summary of the invention
The technical issues of in order to solve the electric current forward position between prepulsing and main pulse and be delayed accurately to control, this hair
It is bright that a kind of adjustable dipulse fast rise time dash current generation device and method of being delayed is provided.
The technical solution of the invention is as follows: a kind of adjustable dipulse fast rise time dash current generation device of delay, special
Different place is: prepulsing current source, internal box, main pulse current source and the outer case set gradually including from-inner-to-outer；Institute
The delay time stated between main pulse current source and prepulsing current source is controlled by double groups of multiple-channel output fast rise time triggers；
Tabular intermediate high-pressure electrode, outer case top plate, internal box are provided between outer case top plate and internal box top plate
Top plate and intermediate high-pressure electrode collectively form radial three board transmission lines；The intermediate high-pressure electrode and centrally located coniform magnetic
The connection of dielectric transmission line negative high-voltage electrode；Coniform magnetic insulation transmission line ground electrode is connected with outer case top plate, and coniform magnetic is exhausted
Installation load between edge transmission line negative high-voltage electrode and coniform magnetic insulation transmission line ground electrode；Intermediate high-pressure electrode or circular cone
Shape magnetic insulation transmission line negative high-voltage electrode offers multiple electric insulation holes, each electric insulation hole in the position close to junction
One is inside respectively mounted for connecting the bus electrode column of outer case top plate and internal box top plate；
Prepulsing current source output electrode is connect with intermediate high-pressure electrode, prepulsing current source grounding electrode and internal box top
Plate connection；Main pulse current source output electrode is connect with intermediate high-pressure electrode, main pulse current source grounding electrode and outer case top
Plate and/or the connection of internal box top plate.
Above-mentioned main pulse current source includes the N group discharge paths for surrounding n-shaped between outer case and internal box,
Every group of discharge paths include outer layer discharge paths and internal layer discharge paths；The high-voltage output end of the outer layer discharge paths is in
Between high-field electrode connect, the ground terminal of outer layer discharge paths connect with outer case top plate；The high pressure of the internal layer discharge paths is defeated
Outlet is connect with intermediate high-pressure electrode, and the ground terminal of internal layer discharge paths is connect with internal box top plate.
Above-mentioned outer layer discharge paths and internal layer discharge paths are made of multiple discharge modules；The discharge module includes two
A main pulse current source branch capacitor being electrically isolated from one another and a underlying main pulse current source branch gas switch；
Charging isolation resistance or inductance are provided between two adjacent discharge modules；The apex of n-shaped is provided with triggering cable, with
External trigger power supply is connected.
Above-mentioned three board transmission line realizes insulation by thin film dielectric material or liquid insulating medium, and three board transmission line leans on
It is supported at nearly center by high-tension insulator.
Above-mentioned prepulsing current source includes prepulsing current source charging paths, charging cable and peaking circuit；The peaking
Circuit includes prepulsing current source peaking switch and prepulsing current source storage capacitor；The prepulsing current source storage capacitor one
End is grounding electrode plate, and the other end of prepulsing current source storage capacitor is electrode plate with high voltage；The electrode plate with high voltage and pre- arteries and veins
The high-field electrode one end for rushing current source peaking switch is connected as one formula structure, and the other end of prepulsing current source peaking switch is
Prepulsing current source output electrode；Prepulsing current source storage capacitor electrode plate with high voltage passes through charging cable and prepulsing current source
Charging paths are connected；Insulation shell is provided with outside the prepulsing current source storage capacitor；The insulation shell and prepulsing electricity
The grounding electrode plate of stream source storage capacitor, electrode plate with high voltage surround the closed cavity filled with gas medium jointly；The gas
Medium is the high-voltage isulation medium of prepulsing current source storage capacitor, while being also work Jie of prepulsing current source peaking switch
Matter；The ground connection shell for connecting the grounding electrode plate and internal box top plate is provided with outside the insulation shell.
Above-mentioned prepulsing current source peaking switch includes pin electrode and plate electrode；Between pin electrode and plate electrode between gas
Gap, the gas medium filled and air pressure are identical as the cavity where prepulsing current source storage capacitor；The pin electrode peace
Mounted in prepulsing current source storage capacitor electrode plate with high voltage center；The plate electrode is prepulsing current source output electrode.
Above-mentioned prepulsing current source charging paths include two branch capacitors and a gas switch；One of branch
Capacitor one end is connected with gas switch, and the other end is grounding electrode；Another branch capacitor one end and gas switch
It is connected, the other end is branch output electrode；Two switch high-pressure electrodes of gas switch pass through charging resistor and positive and negative anodes respectively
Property power supply connection.
N number of protective resistance is parallel on above-mentioned intermediate high-field electrode, the resistance value of above-mentioned protective resistance is greater than load equivalent electricity
20 times of resistance, effect are capacitor residue energy when absorbing wire-array Z-pinch plasma stagnation moment load open circuit, reduce master
Inverse peak voltage when pulse current source discharges on capacitor improves capacitor life-span.
The present invention also provides a kind of adjustable dipulse fast rise time dash current production methods of delay, are characterized in that
The following steps are included:
When 1] by the delay of double group multiple-channel output fast rise time triggers setting main pulse current sources and prepulsing current source
Between T；
2] discharge paths of main pulse current source are charged into setting voltage；
3] prepulsing current source charging paths are charged into setting voltage；
4] the double group multiple-channel output fast rise time triggers of triggering, wherein one group of output pulse is transmitted to the charging of prepulsing current source
Branch makes the gas switch discharge breakdown of prepulsing current source charging paths, is then the pre- of peaking circuit by charging cable
The charging of pulse current source storage capacitor；The gas gap air pressure for setting prepulsing current source peaking switch, makes prepulsing current source
Peaking switch self breakdown when prepulsing current source storage capacitor charges to crest voltage；The output of prepulsing current source is by negative
It carries, bus electrode column and ground connection shell constitute the compact discharge loop of coaxial, generation fast rise time prepulsing electric current；
5] after delay time T, another group of output pulse of double groups of multiple-channel output fast rise time triggers is transmitted to master pulse
The discharge paths of current source are rushed, the main pulse current source branch gas switch of discharge module punctures closure in each discharge paths,
Make all discharge paths synchronous discharges, generate amplitude main pulse electric current, is passed by intermediate high-pressure electrode and coniform magnetic insulation
The adjustable dipulse fast rise time dash current that is delayed is obtained after defeated line negative high-voltage electrode in load.
The beneficial effects of the present invention are: the present invention integrally uses axle center shape structure, and from-inner-to-outer is disposed with pre- arteries and veins
Rush current source, internal box, main pulse current source and outer case；It is compact-sized small in size, greatly reduce the production of dipulse high current
The manufacture difficulty and cost of generating apparatus, while the occupied area of device is decreased, it is suitable for popularization and application.Main pulse current source and
Delay time between prepulsing current source is arranged by double groups of multiple-channel output fast rise time triggers, when can accurately control delay
Between.
Detailed description of the invention
Fig. 1 is the structural profile illustration of present pre-ferred embodiments；
Fig. 2 is the circuit connection diagram of present pre-ferred embodiments；
Fig. 3 is the main pulse current source structure top-level view of present pre-ferred embodiments；
Fig. 4 is the main pulse current source equivalent circuit of present pre-ferred embodiments；
Fig. 5 is the prepulsing current source equivalent circuit of present pre-ferred embodiments；
Fig. 6 is the prepulsing current source output current wave of present pre-ferred embodiments；
Fig. 7 is the dipulse current waveform of present pre-ferred embodiments.
Wherein, appended drawing reference is as follows:
1- prepulsing current source；2- main pulse current source；3- outer case top plate；The coniform magnetic insulation transmission line of 4-
Electrode；The coniform magnetic insulation transmission line negative high-voltage electrode of 5-；6- high-tension insulator；7- internal box top plate；8- intermediate high-pressure
Electrode；9- bus electrode column；10- main pulse current source branch capacitor；11- main pulse current source branch gas switch；12-
Prepulsing current source storage capacitor；13- prepulsing current source peaking switch；14- main pulse current source positive high voltage charge power supply
It introduces；15- main pulse current source negative high voltage charge power supply introduces；16- main pulse current source multichannel trigger pulse lead-in cable；
17- charging cable；Bis- groups of multiple-channel output fast rise time triggers of 18-；19- prepulsing current source charging paths；20- load；
21- protective resistance；22- internal box；23- outer case.
Specific embodiment
The present invention proposes a kind of method for generating the adjustable dipulse fast rise time amplitude short pulse heavy current of delay time
And device.Referring to Fig. 1 and Fig. 2, the apparatus structure of present pre-ferred embodiments includes setting gradually from inside to outside in axle center shape
Prepulsing current source 1, internal box 22, main pulse current source 2 and outer case 23.Internal box 22 and outer case 23 are coaxial arrangement
Cylindrical box, prepulsing current source 1 are located inside internal box 22, and main pulse current source 2 is uniformly arranged on internal box 22 and outer
In cavity between cabinet 23.Delay time between main pulse current source 2 and prepulsing current source 1 is fast by double groups of multiple-channel outputs
Forward position trigger 18 is controlled.Tabular intermediate high-pressure electrode 8 is provided between outer case top plate 3 and internal box top plate 7, outside
Box roof 3, internal box top plate 7 and intermediate high-pressure electrode 8 collectively form radial three board transmission lines.Three poles of three board transmission lines
Plate passes through thin film dielectric material between each other or liquid insulating medium realizes insulation, and three board transmission lines are passing through height at center
Insulator 6 is pressed to support.Intermediate high-pressure electrode 8 is connect with centrally located coniform magnetic insulation transmission line negative high-voltage electrode 5；Circular cone
Shape magnetic insulation transmission line ground electrode 4 is connected with outer case top plate 3, coniform magnetic insulation transmission line negative high-voltage electrode 5 with it is coniform
Installation load 20 between magnetic insulation transmission line ground electrode 4；Intermediate high-pressure electrode 8 or coniform magnetic insulation transmission line negative high voltage electricity
Pole 5 is offering multiple electric insulation holes close to the position of the two junction, is respectively mounted one in each electric insulation hole and is used for
Connect the bus electrode column 9 of outer case top plate 3 and internal box top plate 7.
Main pulse current source 2 includes the N group electric discharge branch for surrounding n-shaped between outer case 23 and internal box 22
Road, every group of discharge paths include the outer layer discharge paths and internal layer discharge paths being oppositely arranged vertically.Outer layer discharge paths are leaned on
Nearly outer case 23, high-voltage output end are connect with intermediate high-pressure electrode 8, the ground terminal and outer case top plate 3 of outer layer discharge paths
Connection.Internal layer discharge paths are connect close to internal box 22, high-voltage output end with intermediate high-pressure electrode 8, ground terminal and interior case
Body top plate 7 connects.Outer layer discharge paths and internal layer discharge paths are made of multiple discharge modules.Each discharge module includes
Two main pulse current source branch capacitors 10 being electrically isolated from one another and a underlying main pulse current source branch gas
Switch 11, structure can be with reference to the discharge paths of fast electric discharge linear type transformer driving source (abbreviation FLTD).Adjacent two
It is attached between discharge module by charging isolation resistance or inductance；The apex of n-shaped is provided with triggering cable, with outside
Power supply is triggered to be connected.Referring to Fig. 3, in the present embodiment, main pulse current source 2 is set as regular hexagon, it is every on one side on outer layer
Discharge paths include 4 discharge modules, and internal layer discharge paths include 3 discharge modules, amount to 42 discharge modules, discharge simultaneously
The short pulse heavy current of forward position about 70-200ns amplitude about 1MA can be obtained.
Prepulsing current source 1 includes prepulsing current source charging paths 19, charging cable 17 and peaking circuit；Peaking circuit
It again include prepulsing current source peaking switch 13 and prepulsing current source storage capacitor 12.Prepulsing current source storage capacitor 12 1
End is grounding electrode plate, and the other end of prepulsing current source storage capacitor 12 is electrode plate with high voltage；Electrode plate with high voltage and prepulsing
High-field electrode one end of current source peaking switch 13 is connected as one formula structure, the other end of prepulsing current source peaking switch 13
For prepulsing current source output electrode；Prepulsing current source storage capacitor electrode plate with high voltage passes through charging cable 17 and prepulsing electricity
Stream source charging paths 19 are connected；Insulation shell is provided with outside prepulsing current source storage capacitor 12；Insulation shell and prepulsing
The grounding electrode plate of current source storage capacitor, electrode plate with high voltage surround the closed cavity filled with gas medium jointly.Gas is situated between
Matter is both the high-voltage isulation medium of prepulsing current source storage capacitor 12, while being also the work of prepulsing current source peaking switch 13
Make medium.The outside of insulation shell is additionally provided with the ground connection shell for connecting grounding electrode plate and internal box top plate 7.
Prepulsing current source peaking switch 13 includes pin electrode and plate electrode；Between pin electrode and plate electrode between gas
Gap, the interior gas medium filled of gas gap and air pressure are identical as the cavity where prepulsing current source storage capacitor 12；
Pin electrode is mounted on the electrode plate with high voltage center of prepulsing current source storage capacitor 12；Plate electrode is exported as prepulsing current source
Electrode is connect with intermediate high-pressure electrode 8.
Prepulsing current source charging paths 19 include two branch capacitors and a gas switch；One of branch electricity
One end is connected with gas switch, and the other end is grounding electrode；Another branch capacitor one end and gas switch phase
Even, the other end is branch output electrode；Two switch high-pressure electrodes of gas switch pass through charging resistor and positive-negative polarity respectively
Power supply connection.
N number of protective resistance (on N number of vertex of n-shaped) is also parallel on intermediate high-pressure electrode 8, protective resistance
Resistance value is greater than 20 times of load equivalent resistance.It is electricity when absorbing wire-array Z-pinch plasma stagnation moment load open circuit that it, which is acted on,
Container residual amount of energy, inverse peak voltage when reducing the electric discharge of main pulse current source on capacitor, improves capacitor life-span.
The adjustable dipulse fast rise time dash current production method of delay provided by the present invention, i.e., aforementioned delay adjustable double arteries and veins
The course of work for rushing fast rise time dash current generation device is as follows:
Referring to fig. 2, the delay time of main pulse current source 2 and prepulsing current source 1 is by the double group multiple-channel output 100kV of prime
Fast rise time trigger 18 is arranged.When the ectonexine discharge paths capacitor charging of main pulse current source 2 is to setting voltage (positive and negative 40-
80kV), after prepulsing current source charging paths 19 charge to setting voltage (positive and negative 40-80kV), double group multiple-channel outputs are triggered
100kV fast rise time trigger 18, wherein 1 group of output pulse triggers the pulse charge of prepulsing current source by high-pressure coaxial cable
Branch gas switch S2, is allowed to disruptive discharge, is charged by high-pressure coaxial cable to prepulsing current source storage capacitor Cp, setting
The air pressure of prepulsing current source peaking gas gap makes prepulsing current source storage capacitor Cp (5.8nF) charge to about peak value electricity
Moment self breakdown is pressed, the output of prepulsing current source is through overload 20, by by grounding electrode (the i.e. outer case top of three board transmission lines
Plate 3 and internal box top plate 7) connection axial symmetry perforated metal bar (i.e. bus electrode column 9), flow back into energy-storage capacitor Cp ground connection
Cabinet constitutes the compact discharge loop of coaxial, generates the prepulsing electric current of forward position about 30ns amplitude about 20kA；It is delayed according to setting
Time, it is assumed that setting delay is 100ns, double groups of delays are adjustable another group of output multi-channel fast rise time trigger pulse of fast rise time trigger
The ectonexine discharge paths gas of main pulse current source 2 is transferred to by main pulse current source multichannel trigger pulse lead-in cable 16
Switch makes all discharge paths synchronous discharges, the main pulse electric current of forward position about 180ns amplitude about 1MA is generated, again by load
20, the adjustable fast rise time dipulse high current that is delayed just is obtained in load 20 in this way.
It is assumed that the 42 branch synchronous discharges of main pulse current source, the equivalent circuit of main pulse current source and prepulsing current source
As shown in Figure 4 and Figure 5.
As prepulsing current source charging paths capacitor charging ± 80kV, peaking capacitor 5.8nF, peaking loop inductance is
Load current waveform and peaking capacitor charging voltage waveform such as Fig. 6 when 70nH, when silk battle array equivalent inductance 2nH and 5 Ω of resistance
It is shown, prepulsing current source forward position 25ns, electric current 29kA, pulsewidth (FWHM) about 48ns.
When the prepulsing current source of double groups of multiple-channel output 100kV fast rise time triggers setting prolongs with the triggering of main pulse current source
When be 100ns when, it is as shown in Figure 7 by the current waveform of load.It can see by the Simulation results figure in Fig. 7, this reality
Apply the prepulsing electric current about 20kA of the delay adjustable double pulse shock electric current-producing device output of example, forward position about 25ns, main pulse
Electric current about 1MA, forward position about 180ns.
Claims (10)
1. a kind of adjustable dipulse fast rise time dash current generation device of delay, it is characterised in that: successively set including from-inner-to-outer
Prepulsing current source, internal box, main pulse current source and the outer case set；The main pulse current source and prepulsing current source it
Between delay time controlled by double groups of multiple-channel output fast rise time triggers；
Tabular intermediate high-pressure electrode, outer case top plate, internal box top plate are provided between outer case top plate and internal box top plate
Radial three board transmission lines are collectively formed with intermediate high-pressure electrode；The intermediate high-pressure electrode and centrally located coniform magnetic insulation
The connection of transmission line negative high-voltage electrode；Coniform magnetic insulation transmission line ground electrode is connected with outer case top plate, and coniform magnetic insulation passes
Installation load between defeated line negative high-voltage electrode and coniform magnetic insulation transmission line ground electrode；Intermediate high-pressure electrode or coniform magnetic
Dielectric transmission line negative high-voltage electrode offers multiple electric insulation holes in the position close to junction, in each electric insulation hole
Installation one for connecting the bus electrode column of outer case top plate and internal box top plate；
Prepulsing current source output electrode is connect with intermediate high-pressure electrode, and prepulsing current source grounding electrode and internal box top plate connect
It connects；Main pulse current source output electrode is connect with intermediate high-pressure electrode, main pulse current source grounding electrode and outer case top plate and/
Or internal box top plate connection.
2. the adjustable dipulse fast rise time dash current generation device of delay according to claim 1, it is characterised in that: described
Main pulse current source includes the N group discharge paths for surrounding n-shaped between outer case and internal box, every group of discharge paths
It include outer layer discharge paths and internal layer discharge paths；The high-voltage output end and intermediate high-pressure electrode of the outer layer discharge paths connect
It connects, the ground terminal of outer layer discharge paths is connect with outer case top plate；The high-voltage output end of the internal layer discharge paths and centre are high
The connection of piezoelectricity pole, the ground terminal of internal layer discharge paths are connect with internal box top plate.
3. the adjustable dipulse fast rise time dash current generation device of delay according to claim 2, it is characterised in that: described
Outer layer discharge paths and internal layer discharge paths are made of multiple discharge modules；The discharge module include two mutually electrically every
From main pulse current source branch capacitor and a underlying main pulse current source branch gas switch；Adjacent two are put
Electric intermodule is provided with charging isolation resistance or inductance；The apex of n-shaped is provided with triggering cable, with external trigger power supply
It is connected.
4. the adjustable dipulse fast rise time dash current generation device of delay according to claim 1, it is characterised in that: described
Three board transmission lines realize insulation by thin film dielectric material or liquid insulating medium, and three board transmission line passes through at center
High-tension insulator support.
5. the adjustable dipulse fast rise time dash current generation device of delay according to claim 1, it is characterised in that: described
Prepulsing current source includes prepulsing current source charging paths, charging cable and peaking circuit；The peaking circuit includes pre- arteries and veins
Rush current source peaking switch and prepulsing current source storage capacitor；Described prepulsing current source storage capacitor one end is grounding electrode
Plate, the other end of prepulsing current source storage capacitor are electrode plate with high voltage；The electrode plate with high voltage and the peaking of prepulsing current source
High-field electrode one end of switch is connected as one formula structure, and the other end of prepulsing current source peaking switch is prepulsing current source
Output electrode；Prepulsing current source storage capacitor electrode plate with high voltage passes through charging cable and prepulsing current source charging paths phase
Even；Insulation shell is provided with outside the prepulsing current source storage capacitor；The insulation shell and prepulsing current source energy storage electricity
The grounding electrode plate of appearance, electrode plate with high voltage surround the closed cavity filled with gas medium jointly；The gas medium is pre- arteries and veins
The high-voltage isulation medium of current source storage capacitor is rushed, while being also the working media of prepulsing current source peaking switch；It is described exhausted
Edge hull outside is provided with the ground connection shell for connecting the grounding electrode plate and internal box top plate.
6. the adjustable dipulse fast rise time dash current generation device of delay according to claim 5, it is characterised in that: described
Prepulsing current source peaking switch includes pin electrode and plate electrode；It is gas gap between pin electrode and plate electrode, is filled
Gas medium and air pressure are identical as the cavity where prepulsing current source storage capacitor；The pin electrode is mounted on prepulsing electricity
Stream source storage capacitor electrode plate with high voltage center；The plate electrode connects as prepulsing current source output electrode and intermediate high-pressure electrode
It connects.
7. the adjustable dipulse fast rise time dash current generation device of delay according to claim 6, it is characterised in that: described
Prepulsing current source charging paths include two branch capacitors and a gas switch；One of branch capacitor one end with
Gas switch is connected, and the other end is grounding electrode；Another branch capacitor one end is connected with gas switch, and the other end is
Branch output electrode；Two switch high-pressure electrodes of gas switch pass through charging resistor respectively and connect with positive-negative polarity power supply.
8. the adjustable dipulse fast rise time dash current generation device of delay according to claim 7, it is characterised in that: described
N number of protective resistance is parallel on intermediate high-pressure electrode.
9. the adjustable dipulse fast rise time dash current generation device of delay according to claim 8, it is characterised in that: described
The resistance value of protective resistance is greater than 20 times of load equivalent resistance.
10. a kind of adjustable dipulse fast rise time dash current production method of delay, it is characterised in that: the following steps are included:
The delay time T of main pulse current source and prepulsing current source 1] is set by double group multiple-channel output fast rise time triggers；
2] discharge paths of main pulse current source are charged into setting voltage；
3] prepulsing current source charging paths are charged into setting voltage；
4] the double group multiple-channel output fast rise time triggers of triggering, wherein one group of output pulse is transmitted to prepulsing current source charging branch
Road makes the gas switch discharge breakdown of prepulsing current source charging paths, is then the pre- arteries and veins in peaking circuit by charging cable
Rush the charging of current source storage capacitor；The gas gap air pressure for setting prepulsing current source peaking switch, makes prepulsing current source peak
Switching self breakdown when prepulsing current source storage capacitor charges to crest voltage；Prepulsing current source output through overload,
Bus electrode column and ground connection shell constitute the compact discharge loop of coaxial, generate fast rise time prepulsing electric current；
5] after delay time T, another group of output pulse of double groups of multiple-channel output fast rise time triggers is transmitted to main pulse electricity
The discharge paths in stream source, the main pulse current source branch gas switch of discharge module punctures closure in each discharge paths, makes institute
There is discharge paths synchronous discharge, generates amplitude main pulse electric current, pass through intermediate high-pressure electrode and coniform magnetic insulation transmission line
The adjustable dipulse fast rise time dash current that is delayed is obtained after negative high-voltage electrode in load.
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| CN105306015A (en) * | 2015-09-18 | 2016-02-03 | 西北核技术研究所 | Resonant charging nanosecond leading edge pulse current generator |
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| JP3658957B2 (en) * | 1997-12-15 | 2005-06-15 | 株式会社明電舎 | Pulse power supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN203423662U (en) * | 2013-07-04 | 2014-02-05 | 陕西海泰电子有限责任公司 | High-voltage nanosecond pulse generator, and Marx generator and circuit simulation model thereof |
| CN105204561A (en) * | 2015-09-18 | 2015-12-30 | 西北核技术研究所 | Short-pulse high-amplitude impulse current generator |
| CN105306015A (en) * | 2015-09-18 | 2016-02-03 | 西北核技术研究所 | Resonant charging nanosecond leading edge pulse current generator |
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