38 results about "Marx generator" patented technology

The invention discloses a rock pulse fracturing and high-voltage pulse discharge collaborative fracturing simulation device and method.The device comprises a triaxial loading mechanism, a pulse fracturing mechanism, a high-voltage pulse discharge mechanism, a collaborative control part and a monitoring mechanism, and the triaxial loading mechanism is used for loading triaxial pressure to a rock sample; a simulation hole is formed in the upper end surface of the rock sample, and a plug is plugged at the hole opening of the simulation hole; the pulse fracturing mechanism comprises a fracturing fluid storage tank and a pulse pumping assembly; the high-voltage pulse discharge mechanism comprises a Marx generator and a discharge electrode; the monitoring mechanism comprises a plurality of acoustic emission sensors and an acoustic emission data processor. The influence of the synergistic effect of pulse fracturing and high-voltage pulse discharge on the rock fracturing process can be systematically studied, the synergistic effect mechanism of the two is disclosed by accurately controlling the fracturing fluid release rhythm and the high-voltage pulse discharge rhythm, a parameter optimization basis is provided for field fracturing operation, the fracturing effect is improved, and the rock fracturing efficiency is improved. The mining cost is reduced.

The invention belongs to the technical field of pulse power, and relates to a solid-state repetition-frequency pulse generator driven by multiple paths of synchronous optical fibers and a control method, the solid-state repetition-frequency pulse generator comprises a drive control circuit, the drive control circuit is connected with a Marx generator, and an AC-DC converter and a plurality of groups of IGBT switching circuits connected in series are arranged in the Marx generator; and the AC-DC converter is electrically connected with the group of IGBT switching circuits. In the topological structure, a plurality of IGBTs connected in series only need a gate driving voltage signal to drive the lowermost IGBT switching circuit, and other IGBT switching circuits are connected in series with one another, so that the IGBT switching circuits are sequentially conducted in an extremely short time, and synchronous driving is realized. Based on the circuit structure, a plurality of IGBT devices are modularly designed, and each module only needs one driving signal, so that the number of driving circuits is reduced, and the circuit structure is more compact.

The invention discloses an electromagnetic pulse simulation method and device, electronic equipment and a storage medium, and relates to the technical field of electromagnetic pulse simulation. The pulse compression loop module is used for performing sharpening treatment to form a double-exponential waveform conforming to high-altitude electromagnetic pulse characteristics, and meanwhile, an upper polar plate and a lower polar plate of the transmission line structure module are used for converting pulse energy into a bounded wave radiation field so as to simulate the coupling effect of the high-altitude electromagnetic pulse on ground equipment; and finally, a PoE port effect experiment module is injected to evaluate the response characteristic, the damage mechanism and the system-level failure behavior, so that the problems of insufficient waveform reproduction precision, huge system size and difficulty in deployment caused by the adoption of a traditional Marx generator and a modular splicing structure in an existing high-altitude electromagnetic pulse simulation method can be solved; the technical effect of improving experiment repeatability and protection design accuracy is achieved.

The application discloses a Marx high-voltage pulse power supply based on a high-gain boost type DC-DC converter, and the circuit is composed of an input DC power supply, two power switching tubes, a switching inductor and a cascaded Marx generator; the cascaded Marx generator can be expanded to n levels, and can be used in application occasions requiring high-voltage pulse power supplies, such as cancer treatment in medical treatment, water treatment, waste gas treatment, sterilization, electron and ion beam generation and acceleration, electrostatic dust removal and the like. Under the same working condition, the Marx high-voltage pulse power supply can realize high-gain pulses, and compared with the existing Marx high-voltage pulse power supply, can realize lower switching power loss and higher voltage gain. Meanwhile, the Marx high-voltage pulse power supply also has the advantages of simple topological structure, few modules, few electronic devices and low cost. Therefore, the Marx high-voltage pulse power supply has important economic value and practical engineering significance.

The invention discloses a fault automatic braking method and system for an ultra-high pulse power device, and relates to the technical field of safety control of the ultra-high pulse power device. The method comprises the following steps: a fault detection step: detecting a self-breakdown fault and a power-down fault in a Marx generator charging process in parallel in real time; a fault signal generation step of generating a unified fault indication signal in response to the detected at least one of the self-breakdown fault or the power-down fault; and a trigger path self-locking step: sending the fault indication signal to a central trigger control unit, enabling a subsequent trigger command to be invalid by utilizing a built-in self-locking function of the central trigger control unit, and interrupting an experiment trigger sequence. Rapid fault detection and self-locking are realized through an automatic process, the problems of delay and unreliability of manual operation are solved, and the operation safety and the experiment success rate of the ultrahigh pulse power device are remarkably improved.

The application discloses a Marx generator inductance acquisition method, comprising the following steps: outputting single-stage area inductance according to the length and radius of the single-stage area in the single FMG discharge main circuit of the Marx generator; the single-stage area inductance comprises switch section inductance, high-voltage plate section inductance, capacitor section inductance and output section inductance; outputting backflow area inductance according to the distance between backflow plates, the width of the backflow area and the length of the backflow area in the single FMG discharge main circuit of the Marx generator; outputting output area inductance according to the length and radius of the output area in the single FMG discharge main circuit of the Marx generator; and outputting the total inductance of the Marx generator according to the single-stage area inductance, the backflow area inductance and the output area inductance and the number of the single-stage area, the backflow area and the output area in the single FMG discharge main circuit of the Marx generator. The method can more accurately acquire the Marx generator loop inductance.

The utility model provides an ignition pulse width adjustable MARX generator protection circuit, and belongs to the technical field of electric vacuum emission, the protection circuit comprises a sampling circuit, the sampling circuit comprises a current transformer and a sampling resistor R1, the current transformer is arranged between a high-voltage ignition signal generated by an MARX generator and a load, and the sampling resistor R1 is arranged on a secondary winding of the circuit transformer; the comparison circuit comprises a comparator, a first resistor R2 and a second resistor R3, the same-direction end of the comparator is connected with the current transformer, the reverse-direction end of the comparator is connected with a voltage division network formed by the first resistor and the second resistor, and the comparison circuit is used for comparing the sampling voltage of the high-voltage ignition signal with a set protection threshold voltage; the pulse width adjusting circuit comprises a monostable multivibrator, a third resistor and a capacitor, and the monostable multivibrator is grounded through a resistance-capacitance network formed by the capacitor and the third resistor; and the control circuit is connected with the pulse width adjusting circuit.

The invention relates to the technical field of power semiconductor packaging, in particular to a multi-stage modular packaging method of an MARX pulse power generator, comprising a copper substrate and at least one sub-packaging unit fixed on the copper substrate; the sub-packaging unit comprises a DBC substrate and a shell, and the shell is connected with the DBC substrate to form a hollow cavity; a high-voltage SiC MOSFET chip, a high-voltage SiC SBD chip, an integrated capacitor and a DBC substrate are arranged in the hollow cavity, the bottom face of the DBC substrate is connected with the DBC substrate, the high-voltage SiC MOSFET chip, the high-voltage SiC SBD chip and the integrated capacitor are arranged on the top face of the DBC substrate, and the high-voltage SiC MOSFET chip, the high-voltage SiC SBD chip and the high-voltage energy storage capacitor are electrically connected through bonding wires. And other gap parts of the hollow cavity are filled with silica gel. According to the Marx generator, each stage of independent subunit packaging of the Marx generator is formed by adopting modular packaging, the design of a driver is simplified, the electrical complexity caused by series connection of multiple devices is reduced, and the Marx generator has good expansibility and flexibility.

The present invention discloses a simulation device for forming a vertically polarized radiation wave electromagnetic pulse environment, thereby reducing the complexity of device installation and debugging, saving test preparation time, and improving test efficiency. Specifically, the device comprises an underground cavity, a monoconical antenna, a Marx generator, a first-stage pulse compression unit, and a second-stage pulse compression unit. The underground cavity is a cylindrical cavity. The monoconical antenna includes a circular bottom plate and a conical conductor. The bottom plate cover is installed on the top of the underground cavity. The conductor is arranged above the bottom plate, with its small end facing downward and pointing to the midpoint of the bottom plate. The Marx generator is arranged in the underground cavity and is used to generate a pulse voltage. The first-stage pulse compression unit is electrically connected between the Marx generator and the bottom plate and is used to perform a first-stage compression on the pulse voltage. The second-stage pulse compression unit is embedded in the center of the bottom plate and is electrically connected to the conductor and the first-stage pulse compression unit respectively, and is used to perform a second-stage compression on the pulse voltage after the first-stage compression.

The invention discloses a compact Marx generator based on an impact ionization semiconductor device, and relates to the field of a pulse power technology and a power semiconductor device crossing technology. Comprising N stages of sub Marx generators which are cascaded in sequence, and each sub Marx generator comprises an impact ionization semiconductor device, a first charging isolation element, a second charging isolation element, an energy storage unit, a first ground capacitor and a second ground capacitor; for any stage of sub Marx generator, the first end of the impact ionization semiconductor device is connected with the first end of the first charging isolation element, the first end of the first ground capacitor and the first end of the energy storage unit, the second end of the first ground capacitor is grounded, the second end of the impact ionization semiconductor device is connected with the first end of the second charging isolation element, and the second end of the second charging isolation element is grounded. The second end of the second charging isolation element is connected with the second end of the energy storage unit and the first end of the second ground capacitor, and the second end of the second ground capacitor is grounded. According to the compact Marx generator, the conduction safety is improved.

The invention discloses a repetition frequency nanosecond pulse power source of a Marx generator based on impedance matching. The repetition frequency nanosecond pulse power source comprises a pulse forming unit, an impedance matching network and a trigger control unit which are integrated in a closed box body, the impedance matching network comprises a conical cylindrical inner conductor and multiple stages of cylindrical outer conductors which are sequentially and coaxially arranged from top to bottom, the bottom ends of the outer conductors are connected with the last-stage outer conductor, the top ends of the outer conductors are connected with an external load, and the multiple stages of outer conductors and the inner conductor form a central coaxial transmission line; the pulse forming unit comprises a plurality of stages of discharge loops which are stacked in series, and each stage of discharge loop corresponds to one stage of outer conductor; each stage of discharge loop comprises a plurality of discharge modules which are annularly arranged at equal intervals around the corresponding outer conductor; and the trigger control unit is used for generating nanosecond leading edge trigger pulses to drive the high-voltage switches of the discharge loops at all levels to be switched on. According to the invention, the cost and the size of the power source can be reduced, the energy transmission efficiency is improved, the synchronous triggering precision is improved, and the repeated-frequency nanosecond pulse output capability is stable.

The application discloses a pulse top drop compensation circuit of a Marx generator based on a resonance circuit, and comprises: compensation of pulse top drop under different loads and different pulse widths. In applications such as particle accelerators, the voltage and current top drop of a high-voltage pulse should be as low as possible; in the Marx generator, when the resonance inductance and the compensation switch are connected in series and are connected in parallel with the main capacitor in the common unit, the compensation unit is obtained. In the discharge process, the nearly linear part of the sine voltage is added to the load as pulse compensation, and a nearly top-drop-free rectangular pulse is realized. Different compensation unit numbers can compensate the voltage top drop to different degrees, and the compensation effect is adjustable. In addition, as long as the resonance control switch is turned off, the compensation units can also work as common units in the Marx generator, so as to be utilized. According to the application, the compensation degree can be adjusted, the capacitance and the system cost can be greatly reduced, and good feasibility and application prospect are possessed.

The utility model belongs to the technical field of pulse power, and particularly discloses a Marx generator. The generator comprises a multi-stage charging and discharging unit; except the first-stage charging and discharging unit, the other stages of charging and discharging units comprise auxiliary trigger circuits; the auxiliary trigger circuit is used for applying a trigger pulse to the base electrode of the bipolar transistor in the charge-discharge unit when the charge-discharge unit at the previous stage discharges, so that the charge-discharge unit is conducted and discharges; wherein the first-stage charge and discharge unit is used for driving the generator to perform avalanche discharge under the condition that each stage of charge and discharge unit completes charging and receives a trigger signal; the last-stage charging and discharging unit is used for connecting a load resistor so as to generate target pulse signals at the two ends of the load resistor. According to the Marx generator, the thermal damage phenomenon of a bipolar transistor in a traditional Marx generator can be avoided, and reliable operation of the Marx generator under the repetition frequency pulse working condition is effectively achieved.

The invention relates to a Marx generator (1), each capacitor stage (4.1, …, 4.n) of which comprises a first electrical insulation device (31), arranged in the interior space defined by the capacitor of the capacitor stage and extending over the length of the internal face of the capacitor (7), and a second electrical insulation device (32), arranged inside the first electrical insulation device (31), coaxially with the common axis (X-X) and extending along the length of the internal face of the capacitor (7), the generator (1) comprising a first impedance element (41), arranged between the first electrical insulation device (31) and the second electrical insulation device (32), and a second impedance element (42), arranged inside the second electrical insulation device (32).

The utility model relates to a high-voltage pulse generator for electrostatic dust collection, a power supply and a system, and relates to the technical field of dust collection equipment, the high-voltage pulse generator comprises a rectifier, an inverter and a Marx generator; the rectifier is connected with the inverter, and the inverter is coupled with the Marx generator; the rectifier is used for being connected with a three-phase alternating current power supply; the Marx generator is used for being coupled with an electrostatic dust collector; the rectifier is used for rectifying three-phase alternating current output by the three-phase alternating current power supply into direct current and outputting the direct current to the inverter; the inverter is used for inverting the direct current into high-frequency alternating current and outputting the high-frequency alternating current to the Marx generator; the Marx generator is used for converting the high-frequency alternating current into high-voltage pulses and outputting the high-voltage pulses to the electrostatic dust collector, and the high-voltage pulse generator can improve the dust collection efficiency through high voltage.

The invention relates to a Marx generator comprising a circuit comprising at least two capacitors arranged to be charged in parallel and discharged in series. The circuit comprises at least two spark gap switches, where each spark gap switch comprises two electrodes separated by a gap distance filled with a pressurized gas, each spark gap switch is configured to allow an electric spark to pass between two electrodes of the spark gap switch in the event that a potential difference between the two electrodes exceeds a breakdown voltage, and wherein the Marx generator comprises a regulating unit, and an adjustment unit configured to adjust a gap distance between two electrodes of each of the at least two spark gap switches in order to control the output voltage, where the adjustment unit is configured to adjust the gap distance by means of a voltage-controlled actuator and / or a capacitance-controlled actuator.

The Marx topology nanosecond pulse power supply adaptive current limiting short-circuit protection system proposed in the present invention is mainly divided into two parts: a current limiting module and an automatic quick-cut module. The current limiting module is integrated in the main circuit of the Marx generator. Through reasonable parameter design, when overcurrent occurs, the semiconductor switch tube can be transferred from the constant current area to the variable resistance area, thereby limiting the large current in the circuit. The function of the current limiting module is to limit the current amplitude, protect the switch tube from damage in a relatively short time, and provide sufficient time for the subsequent overcurrent protection module to operate. The automatic quick-cut module is used to deal with the situation of a long-term short circuit at the output end. It includes a short-circuit detection unit, a protection logic processing unit, and a protection action unit. A fault signal is generated by detecting whether the output end of the Marx generator is short-circuited, and an action signal is generated after signal processing, and finally the disconnection of the distribution switch of the main power circuit is controlled.

The invention relates to a Marx generator (1) in which each capacitor stage (4.1, …, 4.n) comprises a first electrical isolation device (31), disposed in the internal space defined by the capacitor of said capacitor stage and extending along the length of the inner face of the capacitor (7), and a second electrical isolation device (32), disposed inside the first electrical isolation device (31), coaxially to the common axis (XX) and extending along the length of the inner face of the capacitor (7), the generator (1) comprising a first impedance element (41), disposed between the first electrical isolation device (31) and the second electrical isolation device (32) and electrically connecting the input terminal of the generator (1) and the downstream spark gap heads (25) of the capacitor stages (4.1, …, 4.n).n), and a second impedance element (42), disposed inside the second electrical isolation device (32) and electrically connecting the upstream spark gap heads (26) of the capacitor stages (4.1, …, 4.n) to the output terminal of the generator (1). Figure for the abbreviation: Figure 1.

A compact, modular, and scalable pulsed power-driven radiation source system utilizes Dense Plasma Focus assemblies and Ion Ring Marx Generators in a novel configuration to generate ultra-intense charged particle beams. The system's WARP core integrates coaxially aligned, face-to-face Dense Plasma Focus assemblies with reflex triodes and magnetic flux compression to achieve significantly enhanced energy outputs. The invention enables efficient energy production, advanced propulsion capabilities, and new avenues for high-energy physics research while maintaining a reduced physical footprint compared to traditional accelerators. The system achieves GeV-level particle energies through controlled plasma and charged particle ring compression and acceleration, offering applications in nuclear fusion, advanced space propulsion, and radiographic analysis.

The invention relates to the technical field of generators, in particular to a compact Marx generator which comprises generator bodies, a first copper bar and a second copper bar, the first copper bar and the second copper bar are used for communicating two adjacent generator bodies, a supporting piece is arranged at the lower end of the first copper bar, a connecting piece is arranged at the upper end of the second copper bar, and the connecting piece is connected with the generator bodies. The generator main body comprises a first copper sheet, a second copper sheet and a third copper sheet, an energy storage capacitor is arranged between the first copper sheet and the third copper sheet, a first charging resistor is arranged at the upper end of the third copper sheet, and a second charging resistor is arranged at the lower end of the third copper sheet; according to the Marx generator, the overall size and weight of the Marx generator are reduced, and the reliability and stability of a system are improved.

An electron beam source includes a vacuum chamber containing a cathode and an anode separated by a vacuum gap forming a local full-voltage capacitive structure storing electrical energy at an operating voltage. A high-voltage power supply charges the capacitive structure without an intervening Marx generator, linear transformer driver, Tesla transformer, pulse-forming network, or pulse-forming transmission line. A triggering arrangement initiates electron emission to produce electron pulses traversing the vacuum gap, with discharged electrical energy transferred predominantly to electrons crossing the gap. In some embodiments, the local capacitive structure stores a majority of total electrical energy stored at the operating voltage in capacitances directly coupled between conductors at cathode and anode potentials. Multi-beam configurations, beam steering, passive synchronization, and contamination management features may be included.

According to an embodiment a method is disclosed for determining an efficiency of a drilling process performed by an electro pulse drill comprising a drill head (103) driven by a Marx generator (100) provided to produce an electric discharge current (200, 300) penetrating a medium, the electric discharge current (200, 300) flowing between a first and second drill tip and the electric discharge current (200, 300) originating from a high-voltage pulse generated by the Marx generator (100) comprising a set of spark gaps (110-113) between capacitors (130-133), the method comprising the steps of capturing radiation at a Marx generator spark gap (110) being produced when the Marx generator (100) discharges; filtering the captured radiation at a predefined wavelength; and measuring a duration of a time period during which the filtered radiation is above a predefined threshold; determining the efficiency of the drilling process based on the measured duration (201, 301).

Provided is a heat dissipation device for a Marx generator. The device comprises N cooling plates arranged in sequence; a switch assembly of a Marx generator is fixed on each cooling plate, and the switch assemblies on the N cooling plates are sequentially connected in series; each cooling plate has a water inlet and a water outlet, cooling water flows into the cooling plate from the water inlet and flows out from the water outlet, and the water inlets and water outlets of different cooling plates are connected by means of water cooling lines to achieve the flow of the cooling water across the cooling plates; the cooling water flows in from the water inlet of the first cooling plate, flows out from the water outlet of the first cooling plate, sequentially passes through m cooling plates except the second cooling plate, then flows into the water inlet of an N-th cooling plate, flows out from the water outlet of the N-th cooling plate, sequentially flows through k cooling plates, and then flows out from the water outlet of the second cooling plate, wherein m+k=N-3, 0≤m≤N-3, 0≤k≤N-3, and the m cooling plates and the k cooling plates are different from each other.

The application belongs to the technical field of pulse power, and specifically discloses a Marx generator and a running method thereof. The Marx generator comprises a double-sided PCB board and N-stage charge-discharge cascade units connected in sequence. In the N-stage charge-discharge cascade units, each first unit with an odd cascade order is arranged on one side of the double-sided PCB board in sequence, and each second unit with an even cascade order is arranged on the other side of the double-sided PCB board in sequence. Each first unit and its adjacent second unit are electrically connected through a preset through hole in the double-sided PCB board. The first unit in the N-stage charge-discharge cascade units drives the generator to perform avalanche discharge when the charge of each stage of the charge-discharge cascade units is completed and a trigger signal is received. The last unit is connected to a load to generate a target pulse signal across the load. Through the application, the parasitic inductance of the internal circuit of the Marx generator can be effectively reduced, and the quality of the output pulse signal can be improved.

A Marx configuration has a housing surrounding an interior, and a Marx generator arranged in the interior. The Marx generator has a plurality of capacitor stages connected in series, each having at least one first and one second voltage terminal, and respective cross branches. Each two adjacent capacitor stages between the first terminal of the preceding and the second terminal of the following capacitor stage are connected by one of the cross branches. Each of the cross branches contains a spark gap, a sealed gas space for an insulating gas for the spark gaps which are arranged in the interior and at least two of the spark gaps. All spark gaps are arranged in a respective gas space, and the interior contains a sealed fluid space for a cooling fluid for the Marx generator. A base support disposed in the interior and surrounds the gas space partially.

The application relates to a high-voltage pulse capacitor examination method, in particular to a high-voltage pulse capacitor life examination method for a multi-path parallel Marx generator, and solves the technical problem that the existing capacitor life examination method is not applicable to the actual service life examination of the high-voltage pulse capacitor for the multi-path parallel Marx generator. The high-voltage pulse capacitor life examination method for the multi-path parallel Marx generator comprises the following steps: 1) establishing a single-stage equivalent circuit of the Marx generator; 2) establishing a resonance equivalent circuit of the Marx generator; and 3) alternately examining 2n measured capacitors in the single-stage equivalent circuit of the Marx generator and the resonance equivalent circuit of the Marx generator, wherein n is an integer greater than or equal to 1, and important data support is provided for reliability evaluation of the internal capacitors of the multi-path parallel Marx generator.

This invention discloses a Marx generator top-drop compensation circuit with energy recovery function, relating to the field of pulse power technology. The circuit includes a front-end energy storage unit, a compensation capacitor unit, an inductor unit, a first switching unit, a second switching unit, and a diode unit. The compensation capacitor unit is configured to be connected in series in the discharge circuit of the Marx generator. During the output pulse of the Marx generator, the circuit is in compensation mode, and the first switching unit controls the transfer of energy from the front-end energy storage unit to the compensation capacitor unit to compensate for the voltage drop of the main energy storage capacitor. After the pulse ends, the circuit is in reset mode, and the second switching unit, together with the diode unit and the inductor unit, forms a boost circuit to feed the energy from the compensation capacitor unit back to the front-end energy storage unit. This invention aims to achieve high-precision pulse top-drop compensation and effectively recover energy.

The invention relates to a gas switch, in particular to a low-jitter and low-self-discharge-probability gas switch and a method for reducing the self-discharge probability of the gas switch, and solves the technical problem that the self-discharge probability of the gas switch is difficult to reduce below 0.01% under the condition that an electrode of an existing gas switch keeps jittering and the service life is not reduced. The inner edges and the outer edges of the discharge parts at the large ends of the upper electrode and the lower electrode of the low-jitter and low-self-discharge-probability gas switch are provided with the chamfers, so that the distortion degree of an electric field is improved, the triggering performance of the gas switch is improved, and meanwhile, the discharge parts of the upper electrode and the lower electrode are provided with the circular grooves, so that the discharge area is reduced, and the self-discharge probability of the gas switch is reduced. According to the method for reducing the self-discharge probability of the gas switch with low jitter and low self-discharge probability, the self-discharge probability of the gas switch can be reduced to below 0.01% under the condition that jitter is kept and the service life is not reduced, and the use requirement of a large Marx generator device is met.

The utility model provides a limiting buckle module and a Marx generator machine core lifting appliance, which are used for solving the technical problems that the Marx generator machine core in the existing lifting mode is unstable to lift, the operation safety is influenced, and the lifting operation efficiency is seriously influenced as the Marx generator machine core needs to be lifted repeatedly. The utility model provides a limitable buckle module which comprises a buckle base plate, two guide rods, a buckle groove block, a push-pull long pin, a front fixing plate, a rear fixing plate, a push-pull handle, a front limiting screw, a rear limiting screw and a long pin clamping spring, and the front fixing plate and the rear fixing plate are fixedly arranged at the two ends of the lower surface of the buckle base plate respectively. The two guide rods are fixedly connected between the front fixing plate and the rear fixing plate in parallel, the push-pull long pin drives the buckle groove block to slide back and forth along the guide rods, bidirectional limiting is achieved through cooperation of the front limiting screw and the rear limiting screw and rotation of the push-pull handle, connection is firm and reliable, and potential safety hazards such as accidental slippage are effectively prevented.

The invention relates to a high-voltage pulse source in a pulse power device, in particular to a high-voltage pulse source based on a solid-state switch and an electric and optical trigger system and a trigger method thereof, and solves the technical problem that the existing high-voltage pulse source based on a gas switch is difficult to meet the design requirements of low jitter, high synchronism, miniaturization and integration at the same time. The high-voltage pulse source based on the solid-state switches comprises n series-connected charging resistors R1, n series-connected grounding resistors R2, a load resistor R3 and n stages of series-connected charging units, when n capacitors C are charged to a preset voltage U0, all external trigger solid-state switches are switched on after receiving an external trigger signal, and when n capacitors C are charged to a preset voltage U0, all external trigger solid-state switches are switched on, if the change rate of the potential difference between the electrodes of the self-breakdown solid-state switches reaches the conduction threshold dU / dt, the self-breakdown solid-state switches are automatically conducted, and after all the self-breakdown solid-state switches are conducted, the Marx generator is established and outputs hundred-kV-magnitude pulses.