Circuit arrangement for monitoring a thyristor

Details Circuit arrangement for monitoring a thyristor Circuit arrangement for monitoring a thyristor

1985-07-09

1987-06-09

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

With rotor

340645, 340653, G01R 3126

Patent

active

046723153

ABSTRACT:
A circuit arrangement for monitoring a thyristor comprising an auxiliary thyristor disposed between the anode terminal and gate terminal the thyristor, and a signal generator device which contains a light-emitting diode for sending light signals to an evaluating device. In order to obtain a particularly simple and therefore functionally reliable design of the circuit arrangement, due to the elimination of a separate energy supply circuit, and to achieve emission of light signals with a particularly high light output, the signal generator device has a first pair of input terminals coupled in series with the auxiliary thyristor and the light-emitting diode is arranged between the input terminals of the signal generator device.

REFERENCES:
patent: 4025845 (1977-05-01), Lhommelet et al.
HGU-Ventilentwicklung "etz", No. 45, vol. 2, Dec. 1981, pp. 1338-1342.
IEEE Trans. Ind. Electr. & Contr. Instrum., Arrillaga, J., et al., "Fast ON/OFF Detection of Silicon-Controlled Rectifiers . . . ", vol. IECI-26, No. 1, Feb. 1979, pp. 22-26.

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