H - Electricity – 03 – K
Patent
H - Electricity
03
K
H03K 17/56 (2006.01) H03K 17/0814 (2006.01) H03K 17/082 (2006.01) H03K 17/10 (2006.01)
Patent
CA 2140575
In a method and a circuit arrangement for driving semiconductor switches in a series circuit, in which a voltage limiting device is assigned to each semiconductor switch, the power losses of the voltage limiting devices are detected by a control equipment for equalizing the voltage distribution across the semiconductor switches. The control equipment generates modified control pulses for each semiconductor switch from a common control pulse on the basis of the detected power losses of the voltage limiting devices. By this means, the power loss of the voltage limiting devices is controlled to a minimum.
Abb Schweiz Ag
Asea Brown Boveri Ag
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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