Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.3 µs 3.2 µs 3.1 µs 3 µs. 3.3 µs 3.2 µs 3.1 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 500 µs. 3 - 10 µs. 3 - 50 µs. 3 - 100 µs. 3 - 500 µs. 3 - 10 µs. 3 - 50 µs. 3 - 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. fuse. heat sink. snubber circuit. voltage clamping device. fuse. heat sink. snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 80. 90. 60. 70. 80. 90. 60. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Extremely low High None of these Low Extremely low High None of these Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to turn on process of the device. It is related to turn off process of the device. It is related to conduction process of device. Both C and D. It is related to turn on process of the device. It is related to turn off process of the device. It is related to conduction process of device. Both C and D. ANSWER DOWNLOAD EXAMIANS APP
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