Current-level triggered plasma-opening switch

Details Current-level triggered plasma-opening switch Current-level triggered plasma-opening switch

1987-06-29

1989-03-14

Moore, David K.

Electric lamp and discharge devices: systems

Discharge device load

With de-ionizing means in the cathode-anode circuit

315 39, 315344, 315290, 313157, 313161, 31323131, H01J 1700, H01J 150, H05B 3700

Patent

active

048127159

ABSTRACT:
An opening switch for very high power electrical pulses uses a slow magnetic field to confine a plasma across a gap between two electrodes. The plasma conducts the electric pulse across the gap while the switch is closed. A magnetic field generated by the pulse repels the slow magnetic field from the negative electrode to push the plasma from the electrode, opening the switch. A plurality of radial vanes may be used to enhance the slow magnetic field.

REFERENCES:
patent: 4596945 (1986-06-01), Schumacher et al.
patent: 4721891 (1988-01-01), Krausse
patent: 4727298 (1988-02-01), Mendel
Mendel et al., "A Fast Opening Switch For Use in REB Diode Experiments", J. Appl. Phys., vol. 48, No. 3, Mar. 1977, pp. 1004-1006.
Mendel et al., "Performance of a Plasma Filled, Series--Field--Coil Ion Beam Diode", J. Appl. Phys., vol. 53, No. 11, Nov. 1982, pp. 7265-7273.
Mendel et al., "Analytic Theory of Series Field Coil Ion Diodes", Physical Review A, vol. 27, No. 6, Jun. 1983, pp. 3258-3273.
Stringfield et al., "Plasma Erosion Switches with Imploding Plasma Loads on a Multiterawatt Pulsed Power Generator", J. Appl. Phys., 52(3), 3/1981, pp. 1278-1284.

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