Power Electronics Thyristor can be protected from over voltages by using snubber circuit. heat sink. fuse. voltage clamping device. snubber circuit. heat sink. fuse. voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In reverse blocking mode of a thyristor junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The typical value of SCR for modern alternator is 0.5. 1.2. 1.5. 1.0. 0.5. 1.2. 1.5. 1.0. 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 ? Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. Snubber circuit. CB and fuse. Voltage clamping device. Heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low di/dt. Low dv/dt. High dv/dt. High di/dt. Low di/dt. Low dv/dt. High dv/dt. High di/dt. ANSWER DOWNLOAD EXAMIANS APP
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