An arrangement of coaxial windings is provided. The arrangement includes primary and secondary windings as air-core pulse transformers having insulation and winding arrangement for efficient energy transfer to the secondary winding. The secondary winding is wound with a central metallic core to include a coaxial transmission line with it and is configured to deliver a rectangular pulse across its terminals. The arrangement also includes a coaxial feeding arrangement for the primary winding with a central coaxial terminal connecting to one end of an adjustable primary closing switch electrode so as to have variable voltage feed input corresponding to its load requirement.

An arrangement of coaxial windings is provided. The arrangement includes primary and secondary windings as air-core pulse transformers having insulation and winding arrangement for efficient energy transfer to the secondary winding. The secondary winding is wound with a central metallic core to include a coaxial transmission line with it and is configured to deliver a rectangular pulse across its terminals. The arrangement also includes a coaxial feeding arrangement for the primary winding with a central coaxial terminal connecting to one end of an adjustable primary closing switch electrode so as to have variable voltage feed input corresponding to its load requirement.

To obtain an impact wave by generation of arc discharge between a high-voltage-side electrode 31 connected to a high-voltage-side terminal of a pulse power generating device and a low-voltage-side electrode 32 grounded or connected to a low-voltage-side terminal of the power source. One of the high-voltage-side electrode 31 or the low-voltage-side electrode 32 is an annular electrode formed in an annular shape, the other electrode is a core electrode arranged inside the annular electrode, and arc discharge is generated between an inner peripheral portion of the annular electrode and an outer peripheral portion of the core electrode.

To obtain an impact wave by generation of arc discharge between a high-voltage-side electrode 31 connected to a high-voltage-side terminal of a pulse power generating device and a low-voltage-side electrode 32 grounded or connected to a low-voltage-side terminal of the power source. One of the high-voltage-side electrode 31 or the low-voltage-side electrode 32 is an annular electrode formed in an annular shape, the other electrode is a core electrode arranged inside the annular electrode, and arc discharge is generated between an inner peripheral portion of the annular electrode and an outer peripheral portion of the core electrode.

The present invention concerns a device for pulsed electric discharge in a liquid comprising a control module configured to control a voltage generator such that the voltage generator applies a predetermined heating voltage setpoint between electrodes during a heating period until a pulsed electric discharge is obtained between the electrodes, in order to measure the breakdown voltage during the pulsed electric discharge, in order to estimate the quantity of energy supplied to the liquid during the heating period, referred to as the quantity of heating energy, from the predetermined heating voltage setpoint and the measured breakdown voltage, and in order to determine a new heating voltage setpoint to apply between the electrodes of the at least one pair of electrodes at the next pulsed electric discharge based on the estimated quantity of heating energy and a predefined breakdown voltage setpoint.

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 present invention relates to a power amplification device capable of being powered by a single input voltage and comprising a switching module comprising a first discharge electrode and a second discharge electrode. The power amplification device comprises a triggering module configured to convert the input voltage into a first supply voltage and a second supply voltage, detect an activation event, generate an activation signal from the first supply voltage when an activation event has been detected, generate a pulse command from the second supply voltage when an activation signal has been generated, and transmit the generated pulse control to the triggering means of the switching module so that it triggers the formation of an electric arc between the first discharge electrode and the second discharge electrode.

The present invention relates to a power amplification device capable of being powered by a single input voltage and comprising a switching module comprising a first discharge electrode and a second discharge electrode. The power amplification device comprises a triggering module configured to convert the input voltage into a first supply voltage and a second supply voltage, detect an activation event, generate an activation signal from the first supply voltage when an activation event has been detected, generate a pulse command from the second supply voltage when an activation signal has been generated, and transmit the generated pulse control to the triggering means of the switching module so that it triggers the formation of an electric arc between the first discharge electrode and the second discharge electrode.

A high-voltage pulse generator including a plurality of stages and an electrode for returning current to ground, connected in series, each of the stages including at least one energy storage element connected in series with a spark gap. The spark gaps are distributed on an axis, the odd-numbered energy storage elements are arranged on one side of the spark gap axis, and the even-numbered energy storage elements are arranged on the other side of the spark gap axis, such that the circuit formed by the plurality of stages and the current return electrode have a reduced inductance during a discharge phase of the generator, with respect to a generator including the same components laid out according to a conventional architecture.

A high-voltage pulse generator including a plurality of stages and an electrode for returning current to ground, connected in series, each of the stages including at least one energy storage element connected in series with a spark gap. The spark gaps are distributed on an axis, the odd-numbered energy storage elements are arranged on one side of the spark gap axis, and the even-numbered energy storage elements are arranged on the other side of the spark gap axis, such that the circuit formed by the plurality of stages and the current return electrode have a reduced inductance during a discharge phase of the generator, with respect to a generator including the same components laid out according to a conventional architecture.