Detector circuit for thyristors

Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific current responsive fault sensor

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Details

307252R, 340653, G01R 19165

Patent

active

043250998

ABSTRACT:
A detector circuit (102) is connected to the gate of a thyristor (103) for generating an output signal indicating the presence of current flowing out of the cathode of the thyristor. A switch circuit (101), which is responsive to a control signal, selectively applies the control signal in a first state to the gate and, when the control signal is in a second state, connects the detector circuit to the gate to detect current flowing out of the gate of the thyristor.

REFERENCES:
patent: 3424972 (1969-01-01), Ekstrom et al.
patent: 4071780 (1978-01-01), Burnett
patent: 4217618 (1980-08-01), Kellenbenz et al.

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