Power Electronics MCQ #26 (#271 to #285)
Power Electronics MCQ #26
271) Schottky diodes are known as __________ diode.
272) A crowbar is a circuit which is used to protect a __________ sensitive load from excessive __________ power supply output voltages.
273) The input current waveform of a bridge-controlled rectifier is _________. (when the load is perfectly filtered).
274) Harmonics in three-phase inverters can be reduced by using __________ filter.
275) The power MOSFET device is a _________ device.
276) In single-phase VSI, the harmonic which is not present is
277) The typical value of SCR for a modern alternator is
278) A thyratron is a __________.
279) Thyristor can be protected from overvoltage by using __________.
280) What is used to protect the SCR from over current __________.
281) Zener diode is used as __________.
282) There is a need of transformer for __________.
283) In class A operation, the input circuit of a JFET is __________ biased.
284) The input control parameter of a JFET is __________.
285) The latching current is __________ than the holding current
Power Electronics MCQ #26
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