Which of the following can be operated at higher frequencies
?
-SCR
-MOSFET
-IGBT

Answer Posted / nithi

Undoubtly,
MOSFET.It has the high switching frequency of
around 100khz.

SCR - 2khz
IGBT - 20khz

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

how to calculate the earth fault current

1953


How you give clearance to a spare feeder.

1210


Explain the fundamental difference between emf (electro motive force) and pd (potential difference) ?

632


What is the difference between a 3 winding and 2 winding Potential Transformer

1809


In constant power region of 3-phase IM torque-speed characteristics, if frequency increases slip A does not alter B decreases C increases D none of above

1570






direction of tarbine& genrator

1618


please send me RRB electrical engineer previous year questions for Sr. Section Engineer

1475


which phase is preferred for connecting 1 phase vt used for synchronizing OHL? WHY?

1559


why does connected a indutor with mnsformeretering core of current transformer ?

1636


How to calculate Number of Earthing Pits....???

1107


What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

1867


If i am running of spindle at 2000rpm ,but How to spindle stop at the second I am resetting the machine in CNC machines

1217


how to calculate the step resistance for slipring induction motor,how you deside the no of step for that?

1648


Define resonant frequency?

718


What are the different sign conventions used in electric circuits?

664