High frequency AC solid state switch

Details High frequency AC solid state switch High frequency AC solid state switch

1986-12-18

1988-04-05

Pellinen, A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transient responsive

361 91, H02H 322

Patent

active

047362685

ABSTRACT:
An AC solid state switch includes an inverse parallel connection of a pair of silicon controlled rectifiers. A circuit branch which includes the series connection of the main conducting paths of a pair of field effect transistors is electrically connected in parallel with the inverse parallel arrangement of silicon controlled rectifiers. Gate power sources provide continuous gate drive signals to the silicon controlled rectifiers and field effect transistors. By including the field effect transistors, voltage transients across the switch are reduced in high frequency AC power systems.

REFERENCES:
patent: 4028737 (1977-06-01), Bailey
patent: 4271460 (1981-06-01), Baker
patent: 4424544 (1984-01-01), Chang et al.
patent: 4644437 (1987-02-01), Robe

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