ECE :: Power Electronics
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In the below figure the average load current is 15 A. The rms value of transformer secondary current is
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In a 3 phase fully controlled converter the firing frequency is
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Two thyristor of same rating and same specifications
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A semiconverter feeding an RLE load operates in
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The phenomenon of overlap in converter operation due to
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A thyristor has a maximum allowable junction temperature of 120°C and the ambient temperature is 40°C. If thermal resistance is 1.6° C/W, the maximum allowable internal power dissipation is
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For a 12 pulse operation, the two 6 pulse units are fed by
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In a single phase full wave converter (M - 2 connection) feeding a highly inductive load, the firing angle for each thyristor is a in the respective half cycle. The period of conduction of each thyristor is
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= 15/1.414 = 10.608 A.
.