why ct is testing using dc.. y cant we use AC insted of dc
on POLARITY TEST.
Answer Posted / gopi
IN AC LOSSES HIGH. BUT DC LOSSES IS LOW
Is This Answer Correct ? | 2 Yes | 4 No |
Post New Answer View All Answers
How LT megger works ?
Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.
what kind of quetions will ask in BHEL in interview? Plz help me?
how oil in the MOCB was reduced compared with OCB? what are the features of the MOCB?
How many types of protection relays are there based on the characteristic?
what is the star delta connetion and how can do it a three phase motor with control witing with picture
sir& friends i want the collection of recent quetions asked in interview of top most companies please send me on my email san.jsr@hotmail.com
when we have to use UPF wattmeter and LPF wattmeter? what is the difference between UPF and LPF wattmeter in terms of construction?
What is the formulae of Megger value for a A.C.Motor
how to design the heater in temperature control unit to heat 50KL of water?
Why do we mostly prefer to generate and distribute electricity in 3 phase and not in 4 phase or 5 phase?
How can we measure the residual voltage in dc machines?
During Starter Panel Com missing I Found The Main Incomer 40Amp MCB 10KA Trip When Motor Change Star To Delta Motor Rating 20HP BUT When We Use Same MCB To Other Motor It Does Not trip Or What Is Necessaries for Star Delta Starter MCB SFU MPCB OR MCCB And What are The Breaking Capacity of MCCB in the Motor above 15HP
WRITEDOWN FEW RELY CODES
state the working principle of incondenscent tube?