Power Electronics Which of following is not a power transistor? TRIAC. COOLMOS. SITS. IGBTs. TRIAC. COOLMOS. SITS. IGBTs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. high value. zero value. low value. moderate value. high value. zero value. low value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of current through each thyristor in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is used in SCR to protect from high dV / dt? Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. Circuit breaker. Fuse. Snubber circuit. Equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch A d.c. None of these An c. A mechanical A d.c. None of these An c. A mechanical ANSWER DOWNLOAD EXAMIANS APP