Electric circuit interrupting devices

Details Electric circuit interrupting devices Electric circuit interrupting devices

1983-10-25

1986-10-28

Moore, David K.

Electric lamp and discharge devices: systems

Discharge device load

315339, 315335, 313589, 313597, 313609, 313595, 313268, 313293, H01J 1744

Patent

active

046201351

ABSTRACT:
A thyratron utilizable as a circuit interrupting protective device is provided. The thyratron includes an apertured grid between anode and cathode which is divided transversely into two parts separated by an insulating layer. Both surfaces of the composite grid remote from the insulating layer carry conductive meshes which meshes cover the exits of the apertures in the composite grid. The thickness of the insulating layer and the dimensions of the meshes are such that no point within an aperture is further from a part of the grid or a mesh than the Debye distance whereby the effects of Debye shielding tend to be reduced when a negative potential is applied between two said parts of said grid to quench a discharge previously initiated by applying positive potential to both parts of the grid.

REFERENCES:
patent: 4155026 (1979-05-01), Nixon
E. O. Johnson et al., "The Tacitron, A Low Noise Thyratron Capable of Current Interruption by Grid Action", Proceedings of the I-R-E, Sep. 1954, pp. 1350-1362.

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