Answer Posted / guru
None of the transformers works on DC Current as it does not
follow the Mutual Induction principle
| Is This Answer Correct ? | 7 Yes | 0 No |
Post New Answer View All Answers
What is difference between unity power factor wattmeter and upper power factor wattmeter? In short circuit test of transformer the wattmeter used is unity power factor type or upper power factor type wattmeter?
1)Explain why the cradle guard is used on railway crossing in overhead line construction?
We are planning to synchronized DG's with our captive plant in the event of black start of plant, but before sync we checked voltage of DG with our plant voltage and it varies from 5 V to 450 V. So in this condition how we can sync DG with plant ?
why we use ac supply as 415 volts instead of 415 v why we cant apply 230 v for dc
what is dc mator?types of dc motor?losses in dc motor?what is the mechanical,electrical and commercial efficiency of a dc motor?
WHAT ARE THE CHARACTERISTICS OF AN VOLTAG AMPLIFIER
What do you understand by oldham's coupling ?
why Y CONNECTION IS BETTER INTERMS OF EFFICIENCY AND P.F FOR A LAOD LESS THAN 40% AND WHY AFTER DELTA IS BETTER FOR > 40%
In synchronization circuit what is the function of Interposing voltage transformer(IVT)and Reverse voltage transformer(RVT)
What it the purpose of parallel phasing transfomers??
How we select the vector group of 3phase power transformer?
Dear all i want to know SEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me zohairaukllah@yahoo.com
Match the following a)(X'+Y') b)X'Y' C)XY 1)NAND 2)NOR 3)Carry
how to discharge 3 phase power factor correction capacitors
what are the different methods for the starting of a synchronous motor.