| 摘要 |
PURPOSE:To contrive improvement in efficiency of the titled power converter by a method wherein the stored energy in a snubber circuit and a reactor in the chopper and the like, which were formed by using a series-connected GTO thyristor, are fed back to the power source side through the intermediary of a common current transformer. CONSTITUTION:The GTO thyristors 4a and 4b, whereon snubber circuits 9 and 10 were provided, are connected in series, the above is connected in series to an anode reactor 6, a saturable reactor 7 and load 8, they are connected to a DC power source 1, and the DC power which was controlled by the load 8 by controlling the conductive time of the thyristor 4 is obtained. At this time, the energy of the snubber circuit generated at the time when the thyristor 4 is in ON position and the energy of the anode reactor 6 and the saturated reactor 7 generated when the thyristor 4 is in ON position are fed back to the DC power source 1. Accordingly, the resistance value can be reduced and the wasteful consumption of energy can also be eliminated, thereby enabling to increase the efficiency of the titled converter. |
