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This paper deals with circuit configurations, operations, characteristics and evaluations of a two-phase auxiliary impulse commutated chopper derived from the McMurray inverter. The auxiliary impulse commutated chopper is composed of at least two main thyristors which alternately repeat turn-on and turn-off during each cycle operation. A commutating capacitor is commonly combined with the main thyristors...
A thyristor chopper capable of operation in two quadrants (positive or negative output voltage, positive output current) from a fixed voltage d.c. input, is described in this paper. An optimum control strategy for controlling the average output voltage of the chopper is given. A commutation circuit for the turn-off of thyristor switches has been described. The circuit uses the principle of current...
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