Why transformer neutral earthing? What is advantages?
Answer Posted / sonu
to protect transeformer from over voltage during unsymmetrical fault
adv> keep voltage constant of healthy phases
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
what is earth-fault?when it occurs? to check where it occurs what type of test should we do?
why the colour of insultor stack , petticoat is brown. Is it has some technical reason.
2 v/500amp/hr to 1.80vpc at 20 degree celsious 2v/5ooamp/hr to 1.75 vpc at 77degree farren .this is the capacity of a battery .what is the meaning of this . can i get a detailed explenation
what is mean by Digital Logic Meter (DLM)
what is cause of static electricity? I experience shock when i touch metal equipment in a room ,furher check shows earth leakage showing 80ma at the DB near to the 400 MCCB?
How To increase Knowledge Of boliler regarding To Only Electrical Field..
please send me previose rrb junior engineer qustion papers
How DC earth leakage currents can be reduced ?
explain the functions of main isolation switches
What is the disadventage of gland earthing(power cable) if any. ?
what are the different sizes of U.G. cable & where these cabl;es are used according to voltage ..
CAN WE CALCULATE THE NEGATIVE SEQUENCE AND ZERO SEQUENCE REACTANCE OF A GENERATOR USING ONLY ITS RATED VOLTAGE, KW, PF AND SYNCHRONOUS REACTANCE??? IF YES, THEN HOW??
In Dyn11 power transformer if any one of the 3 phases connected to earth in star connected side then please explain effect of the current flow in delta connected side of transformer.(In this case if one phase is shorted to ground in star connected side then we observe the current flow in two phases only not three phases in delta connected primary side. Please explain why it is so?)
hii this is ranjith from hyd... i want to know what type of questions they ask in interview...and hw the interview will go..? what subjects thay ask specially for electrical engg students?
Different types of relay fault which phase sequence??