H - Electricity – 02 – M
Patent
H - Electricity
02
M
324/58
H02M 1/092 (2006.01)
Patent
CA 1239992
ABSTRACT OF THE DISCLOSURE A circuit arrangement for monitoring a thyristor comprising an auxiliary thyristor disposed between the anode terminal and gate terminal of 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.
486785
Fuhrer Wolfgang
Heinzler Franz
Aktiengesellschaft Siemens
Fetherstonhaugh & Co.
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