CN106559007A - A kind of time delay is adjustable dipulse fast rise time dash current generation device and method - Google Patents
A kind of time delay is adjustable dipulse fast rise time dash current generation device and method Download PDFInfo
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- CN106559007A CN106559007A CN201611004767.7A CN201611004767A CN106559007A CN 106559007 A CN106559007 A CN 106559007A CN 201611004767 A CN201611004767 A CN 201611004767A CN 106559007 A CN106559007 A CN 106559007A
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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
The present invention relates to a kind of adjustable dipulse fast rise time dash current generation device of time delay and method, dipulse fast rise time dash current generation device includes prepulsing current source, internal box, main pulse current source and outer case that from-inner-to-outer sets gradually that time delay is adjustable；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.Of the invention overall using axle center shape structure, from-inner-to-outer is disposed with prepulsing current source, internal box, main pulse current source and outer case；Compact conformation small volume, greatly reduces the manufacture difficulty and cost of dipulse high current generation device, while decreasing the floor space of device, is suitable to 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 time delay and method.
Background technology
The Z constrictions that pulse high current is produced by wire battle array are in nuclear weapon physics, X-ray radiation effect, inertial confinement
The aspect such as fusion and fusion energy resource has widespread demand, such as U.S. ZR devices (26MA), China Engineering Physics Research Institute " poly- dragon one
Number " (8MA) etc..In recent years, research of the Imperial College of Britain on MAGPIE devices shows：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, form symmetrical
Thin uniform layer cylindrical metal gas, time delay certain hour (tens of to hundreds of ns) is again by the big electricity of MA level pulses of hundred ns of forward position
Stream, can suppress plasma instability to develop, and be conducive to improving the x-ray power that the radiation of Z constrictions is produced.MAGPIE devices
Prepulsing electric current is shunted by the bypass loop in parallel with load, time delay certain hour, bypasses load open circuit, and main pulse electric current is cut
Filament array load is changed to, the time delay between its amplitude and prepulsing and main pulse is unable to precise control, cause the general of Success in Experiment
Rate is relatively low.Wire-array Z-pinch characteristic research on French Syrinx devices also indicates that silk battle array is beforehand through fast rise time prepulsing electricity
Stream, is conducive to improving Z pinch load characteristics, and its prepulsing electric current is by controlling the sides such as the triggering sequential of parallel discharge way switch
Method realizes that prepulsing electric current forward position is suitable with main pulse current source forward position, is unfavorable for forming symmetrically and evenly thin layer cylindrical metal
Gas.
The content of the invention
The technical problem of precise control is unable in order to solve the electric current forward position between prepulsing and main pulse and time delay, this
It is bright that a kind of adjustable dipulse fast rise time dash current generation device of time delay and method are provided.
The present invention technical solution be：A kind of time delay is adjustable dipulse fast rise time dash current generation device, which is special
In place of different it 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 board, internal box are provided between outer case top board and internal box top board
Top board and intermediate high-pressure electrode collectively form radially three board transmission lines；The intermediate high-pressure electrode and the coniform magnetic positioned at center
Dielectric transmission line negative high-voltage electrode connects；Coniform magnetic insulation transmission line ground electrode is connected with outer case top board, 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 in the position near junction, each electric insulation hole
A bus electrode post for connecting outer case top board and internal box top board is respectively mounted inside；
Prepulsing current source output electrode is connected with intermediate high-pressure electrode, prepulsing current source earth electrode and internal box top
Plate connects；Main pulse current source output electrode is connected with intermediate high-pressure electrode, main pulse current source earth electrode and outer case top
Plate and/or the connection of internal box top board.
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 with
Between high-field electrode connection, the earth terminal of outer layer discharge paths is connected with outer case top board；The high pressure of the internal layer discharge paths is defeated
Go out end to be connected with intermediate high-pressure electrode, the earth terminal of internal layer discharge paths is connected with internal box top board.
Above-mentioned outer layer discharge paths and internal layer discharge paths are constituted by multiple discharge modules；The discharge module includes two
The individual main pulse current source branch electric capacity 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 passes through thin film dielectric material or liquid insulating medium realizes insulation, and three board transmission line is leaned on
Nearly center is supported by high-tension insulator.
Above-mentioned prepulsing current source includes prepulsing current source charging paths, charging cable and peaking loop；The peaking
Loop includes prepulsing current source peaking switch and prepulsing current source storage capacitor；The prepulsing current source storage capacitor one
Hold as grounding electrode plate, 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 connects 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 is by 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 Insulation medium of prepulsing current source storage capacitor, while and the peaking of prepulsing current source switch work be situated between
Matter；It is provided with outside the insulation shell for connecting the ground connection housing of the grounding electrode plate and internal box top board.
Above-mentioned prepulsing current source peaking switch includes pin electrode and plate electrode；For between gas between pin electrode and plate electrode
Gap, the gas medium filled and air pressure are identical with the cavity that prepulsing current source storage capacitor is located；The pin electrode peace
It is 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 road capacitors and a gas switch；One of branch road
Capacitor one end is connected with gas switch, and the other end is grounding electrode；Another branch road capacitor one end and gas switch
It is connected, the other end is branch road output electrode；Two switch high-pressure electrodes of gas switch pass through charging resistor and both positive and negative polarity respectively
Property power supply connection.
N number of protective resistance is parallel with above-mentioned intermediate high-pressure electrode, the resistance of above-mentioned protective resistance is more than load equivalent electricity
20 times of resistance, its 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 time delay adjustable dipulse fast rise time dash current production method, and which is characterized in that：
Comprise the following steps：
1】When the time delay of main pulse current sources and prepulsing current source is set by double groups of multiple-channel output fast rise time triggers
Between T；
2】The discharge paths of main pulse current source are charged to into setting voltage；
3】Prepulsing current source charging paths are charged to into setting voltage；
4】The double group multiple-channel output fast rise time triggers of triggering, one of which output pulse are transmitted to prepulsing current source and are charged
Branch road, makes the gas switch discharge breakdown of prepulsing current source charging paths, then pre- for peaking loop by charging cable
Pulse current source storage capacitor charges；The gas gap air pressure of setting prepulsing current source peaking switch, makes prepulsing current source
Peaking switchs the self breakdown when prepulsing current source storage capacitor charges to crest voltage；The output of prepulsing current source is through negative
Carry, bus electrode post and ground connection housing constitute the compact discharge loop of coaxial, produce 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,
All discharge paths synchronous discharges are made, amplitude main pulse electric current is produced, is passed by intermediate high-pressure electrode and coniform magnetic insulation
The adjustable dipulse fast rise time dash current of time delay is obtained after defeated line negative high-voltage electrode in load.
The beneficial effects of the present invention is：Of the invention overall using axle center shape structure, from-inner-to-outer is disposed with pre- arteries and veins
Rush current source, internal box, main pulse current source and outer case；Compact conformation small volume, greatly reduces dipulse high current product
The manufacture difficulty and cost of generating apparatus, while decreasing the floor space of device, is suitable to 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 accurately can control time delay
Between.
Description of the drawings
Structural profile schematic diagrames of the Fig. 1 for present pre-ferred embodiments；
Circuit connection diagrams of the Fig. 2 for present pre-ferred embodiments；
Main pulse current source structure top-level views of the Fig. 3 for present pre-ferred embodiments；
Main pulse current source equivalent circuits of the Fig. 4 for present pre-ferred embodiments；
Prepulsing current source equivalent circuits of the Fig. 5 for present pre-ferred embodiments；
Prepulsing current source output current waves of the Fig. 6 for present pre-ferred embodiments；
Dipulse current waveforms of the Fig. 7 for present pre-ferred embodiments.
Wherein, reference is as follows：
1- prepulsing current sources；2- main pulse current sources；3- outer case top boards；The coniform magnetic insulation transmission line ground of 4-
Electrode；The coniform magnetic insulation transmission line negative high-voltage electrodes of 5-；6- high-tension insulators；7- internal box top boards；8- intermediate high-pressures
Electrode；9- bus electrode posts；10- main pulse current source branch electric capacity；11- main pulse current source branch gas switch；12-
Prepulsing current source storage capacitor；The peaking of 13- prepulsing current sources is switched；14- main pulse current source positive high voltage charge power supplies
Introduce；15- main pulse current source negative high voltages charge power supply is introduced；16- main pulse current source multichannel trigger pulse lead-in cables；
17- charging cables；The double group multiple-channel output fast rise time triggers of 18-；19- prepulsing current source charging paths；20- is loaded；
21- protective resistances；22- internal box；23- outer cases.
Specific embodiment
The present invention proposes a kind of method for producing 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 what is set gradually in axle center shape from inside to outside
Prepulsing current source 1, internal box 22, main pulse current source 2 and outer case 23.Internal box 22 and outer case 23 are coaxially disposed
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 casing 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 board 3 and internal box top board 7, outward
Roof box 3, internal box top board 7 and intermediate high-pressure electrode 8 collectively form radially three board transmission lines.Three poles of three board transmission lines
Plate passes through thin film dielectric material each other or liquid insulating medium realizes insulation, and three board transmission lines are passing through height near center
Pressure insulator 6 is supported.Intermediate high-pressure electrode 8 is connected with the coniform magnetic insulation transmission line negative high-voltage electrode 5 positioned at center；Circular cone
Shape magnetic insulation transmission line ground electrode 4 is connected with outer case top board 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 near the position of the two junction, and being respectively mounted one in each electric insulation hole is used for
The bus electrode post 9 of connection outer case top board 3 and internal box top board 7.
Main pulse current source 2 includes the N groups electric discharge for surrounding n-shaped between outer case 23 and internal box 22
Road, every group of discharge paths include outer layer discharge paths and the internal layer discharge paths being vertically oppositely arranged.Outer layer discharge paths are leaned on
Nearly outer case 23, its high-voltage output end are connected with intermediate high-pressure electrode 8, earth terminal and the outer case top board 3 of outer layer discharge paths
Connection.Near internal box 22, its high-voltage output end is connected internal layer discharge paths with intermediate high-pressure electrode 8, its earth terminal and interior case
Body top board 7 connects.Outer layer discharge paths and internal layer discharge paths are constituted by multiple discharge modules.Each discharge module includes
Two main pulse current source branch electric capacity 10 being electrically isolated from one another and a underlying main pulse current source branch gas
Switch 11, its structure may be referred to discharge soon the discharge paths of linear type transformer driving source (abbreviation FLTD).Adjacent two
It is attached by charging isolation resistance or inductance between discharge module；The apex of n-shaped is provided with triggering cable, with outside
Triggering power supply is connected.Referring to Fig. 3, in the present embodiment, main pulse current source 2 is set to regular hexagon, the outer layer per on
Discharge paths include 4 discharge modules, and internal layer discharge paths include 3 discharge modules, altogether 42 discharge modules, while electric discharge
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 loop；Peaking loop
Include prepulsing current source peaking switch 13 and prepulsing current source storage capacitor 12 again.Prepulsing current source storage capacitor 12 1
Hold as grounding electrode plate, 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 connects 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 is by 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 Insulation medium of prepulsing current source storage capacitor 12, while and the peaking of prepulsing current source switch 13 work
Make medium.The outside of insulation shell is additionally provided with for connecting the ground connection housing of grounding electrode plate and internal box top board 7.
Prepulsing current source peaking switch 13 includes pin electrode and plate electrode；For between gas between pin electrode and plate electrode
The gas medium filled in gap, gas gap and air pressure are identical with the cavity that prepulsing current source storage capacitor 12 is located；
Pin electrode is arranged 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 connected with intermediate high-pressure electrode 8.
Prepulsing current source charging paths 19 include two branch road capacitors and a gas switch；One of branch road electricity
One end is connected with gas switch, and the other end is grounding electrode；Another branch road capacitor one end and gas switch phase
Even, the other end is branch road output electrode；Two switch high-pressure electrodes of gas switch pass through charging resistor and positive-negative polarity respectively
Power supply connects.
N number of protective resistance (be located at the N number of summit of n-shaped on) is parallel with intermediate high-pressure electrode 8 also, protective resistance
20 times more than load equivalent resistance of resistance.Its effect is electricity when absorbing wire-array Z-pinch plasma stagnation moment load open circuit
Container residual amount of energy, reduces the inverse peak voltage on capacitor when main pulse current source discharges, improves capacitor life-span.
Time delay provided by the present invention is adjustable dipulse fast rise time dash current production method, i.e., aforementioned time delay adjustable double arteries and veins
The course of work for rushing fast rise time dash current generation device is as follows：
Multiple-channel output 100kV is organized by prime is double referring to the delay time of Fig. 2, main pulse current source 2 and prepulsing current source 1
Fast rise time trigger 18 is arranged.When the ectonexine discharge paths electric capacity of main pulse current source 2 charges to setting voltage (positive and negative 40-
80kV), after prepulsing current source charging paths 19 charge to setting voltage (positive and negative 40-80kV), the double group multiple-channel outputs of triggering
100kV fast rise times trigger 18, wherein 1 group of output pulse triggers the pulse charge of prepulsing current source by high-pressure coaxial cable
Branch road gas switch S2, is allowed to disruptive discharge, is charged to prepulsing current source storage capacitor Cp by high-pressure coaxial cable, 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
Pressure moment self breakdown, the output of prepulsing current source through load 20, by earth electrode by three board transmission lines (i.e. outer case top
The axial symmetry perforated metal bar (i.e. bus electrode post 9) that 7) plate 3 and internal box top board connect, is back to energy-storage capacitor Cp ground connection
Casing, constitutes the compact discharge loop of coaxial, produces the prepulsing electric current of forward position about 30ns amplitude about 20kA；According to setting time delay
Time, it is assumed that setting time delay is 100ns, double groups of time 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, produces the main pulse electric current of forward position about 180ns amplitude about 1MA, again by load
20, so the adjustable fast rise time dipulse high current of time delay is just obtained in load 20.
It is assumed that the equivalent circuit of the 42 branch road synchronous discharges of main pulse current source, main pulse current source and prepulsing current source
As shown in Figure 4 and Figure 5.
As prepulsing current source charging paths electric capacity charging ± 80kV, peaking capacitor is 5.8nF, and peaking loop inductance is
Load current waveform and peaking capacitor charging voltage waveform such as Fig. 6 during 70nH, during 5 Ω of silk battle array equivalent inductance 2nH and resistance
It is shown, prepulsing current source forward position 25ns, electric current 29kA, pulsewidth (FWHM) about 48ns.
When the prepulsing current source that double groups of multiple-channel output 100kV fast rise times triggers are arranged is prolonged with the triggering of main pulse current source
When for 100ns when, by load current waveform it is as shown in Figure 7.Can be seen by the Simulation results figure in Fig. 7, this reality
Apply the prepulsing electric current about 20kA of the time 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. the adjustable dipulse fast rise time dash current generation device of a kind of time delay, it is characterised in that：Set including from-inner-to-outer successively
Prepulsing current source, internal box, main pulse current source and the outer case put；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 board, internal box top board are provided between outer case top board and internal box top board
Radially three board transmission lines are collectively formed with intermediate high-pressure electrode；The intermediate high-pressure electrode and the coniform magnetic insulation positioned at center
Transmission line negative high-voltage electrode connects；Coniform magnetic insulation transmission line ground electrode is connected with outer case top board, and coniform magnetic insulation is passed
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 near junction, in each electric insulation hole
One bus electrode post for being used to connect outer case top board and internal box top board is installed；
Prepulsing current source output electrode is connected with intermediate high-pressure electrode, and prepulsing current source earth electrode is connected with internal box top board
Connect；Main pulse current source output electrode is connected with intermediate high-pressure electrode, main pulse current source earth electrode and outer case top board and/
Or the connection of internal box top board.
2. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 1, it is characterised in that：It is 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
Include outer layer discharge paths and internal layer discharge paths；The high-voltage output end of the outer layer discharge paths is connected with intermediate high-pressure electrode
Connect, the earth terminal of outer layer discharge paths is connected with outer case top board；The high-voltage output end of the internal layer discharge paths and centre are high
Piezoelectricity pole connects, and the earth terminal of internal layer discharge paths is connected with internal box top board.
3. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 2, it is characterised in that：It is described
Outer layer discharge paths and internal layer discharge paths are constituted by multiple discharge modules；The discharge module include two mutually electrically every
From main pulse current source branch electric capacity 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 time delay according to claim 1, it is characterised in that：It is described
Three board transmission lines pass through thin film dielectric material or liquid insulating medium realizes insulation, and three board transmission line passes through near center
High-tension insulator is supported.
5. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 1, it is characterised in that：It is described
Prepulsing current source includes prepulsing current source charging paths, charging cable and peaking loop；The peaking loop 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 earth electrode
Plate, the other end of prepulsing current source storage capacitor is electrode plate with high voltage；The electrode plate with high voltage and prepulsing current source peaking
High-field electrode one end of switch connects 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
Rush the High-Voltage Insulation medium of current source storage capacitor, while and the peaking of prepulsing current source switch working media；It is described exhausted
Edge hull outside is provided with for connecting the ground connection housing of the grounding electrode plate and internal box top board.
6. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 5, it is characterised in that：It is 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 with the cavity that prepulsing current source storage capacitor is located；The pin electrode is arranged on prepulsing electricity
Stream source storage capacitor electrode plate with high voltage center；The plate electrode is prepulsing current source output electrode.
7. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 6, it is characterised in that：It is described
Prepulsing current source charging paths include two branch road capacitors and a gas switch；One of branch road capacitor one end with
Gas switch is connected, and the other end is grounding electrode；Another branch road capacitor one end is connected with gas switch, and the other end is
Branch road output electrode；Two switch high-pressure electrodes of gas switch are connected with positive-negative polarity power supply by charging resistor respectively.
8. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 7, it is characterised in that：It is described
N number of protective resistance is parallel with intermediate high-pressure electrode.
9. the adjustable dipulse fast rise time dash current generation device of time delay according to claim 8, it is characterised in that：It is described
20 times more than load equivalent resistance of the resistance of protective resistance.
10. the adjustable dipulse fast rise time dash current production method of a kind of time delay, it is characterised in that：Comprise the following steps：
1】By double groups of multiple-channel output fast rise time triggers, the delay time T of main pulse current source and prepulsing current source is set；
2】The discharge paths of main pulse current source are charged to into setting voltage；
3】Prepulsing current source charging paths are charged to into setting voltage；
4】The double group multiple-channel output fast rise time triggers of triggering, one of which output pulse are transmitted to the charging of prepulsing current source
Road, makes the gas switch discharge breakdown of prepulsing current source charging paths, then by charging cable for peaking loop pre- arteries and veins
Rush the charging of current source storage capacitor；The gas gap air pressure of setting prepulsing current source peaking switch, makes prepulsing current source peak
Switching self breakdown when prepulsing current source storage capacitor charges to crest voltage；The output process load of prepulsing current source,
Bus electrode post and ground connection housing constitute the compact discharge loop of coaxial, produce 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, in each discharge paths, the main pulse current source branch gas switch of discharge module punctures closure, makes institute
There is discharge paths synchronous discharge, produce amplitude main pulse electric current, by intermediate high-pressure electrode and coniform magnetic insulation transmission line
The adjustable dipulse fast rise time dash current of time delay is obtained after negative high-voltage electrode in load.
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| JPH11177395A (en) * | 1997-12-15 | 1999-07-02 | Meidensha Corp | Pulse power source |
| 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 |
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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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