Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. zero value. low value. high value. moderate value. zero value. low value. high value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is both (A) and (B). of short duration. neither (A) nor (B). of long period. both (A) and (B). of short duration. neither (A) nor (B). of long period. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. Voltage clamping device. CB. Fast acting current limiting device (FACL fuse). Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. Using heat sink. Using equalizing circuit. Using CB and fuse. Use of snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
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