High voltage pulse generator

Electric power conversion systems – Current conversion – With voltage multiplication means

Reexamination Certificate

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C307S108000

Reexamination Certificate

active

11023851

ABSTRACT:
A high voltage pulse generator utilizes an even number of Marx cells using L-C inversion topology. Each Marx cell is associated with an individual inverter transformer having a primary winding connected to the output of an ac power supply such as a series resonant inverter. The secondary of each inverter transformer is half-wave rectified to charge the energy storage capacitors in each Marx cell. A distributed voltage sensing scheme can be provided for accurate feedback to the inverter's controller. An inductive element can be used to achieve a magnetic diode effect in the L-C inversion circuit to reduce component stress and improve efficiency. A transformer-coupled floating gate drive circuit is used to provide local power conditioning and trigger timing for discharge of the energy storage capacitors.

REFERENCES:
patent: 4274134 (1981-06-01), Johannessen
patent: 4900947 (1990-02-01), Weiner et al.
patent: 5105097 (1992-04-01), Rothe
R.A. Fitch and V.T.S Howell, Novel Principle of Transient High-Voltage Generation, Proceedings of the Institution of Electrical Engineers, Science and General, Apr. 1964, pp. 849-855, vol. 111, No. 4, The Institution of Electrical Engineers, UK.
R.A. Fitch, Marx—and Marx-Like—High-Voltage Generators, Transactions on Nuclear Science, Aug. 1971, pp. 190-198, vol. N5-18, No. 4, Institute of Electrical and Electronic Engineers, New York.
M. Rivaletto, P. Domens and P. Pignolet, An Asymmetrical 175 kV, 210 ns Pichugin Pulse Generator, Oct. 1998, vol. 9, No. 10, Measurement, Science and Technology, Oct. 1998, pp. 1765-1771, vol. 9, No. 10, Institute of Physics, UK.

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