what must be the mf for a meter with the following
conditions.
line ct ratio-100/1
line pt ratio- 220kv/110v
meter pt ratio- 3X63.5V
meter CT ratio- -/1 A
What is power in wattage of 8.5 TR AC
What is difference between 3 point and 4 point starter
1 Answers Genco, Kaltec, TATA,
Post possible questions for Power Factor Panel FAT / SAT
Can anybody just suggest about the scope of Electrical design with ETAP software?Just guide me?
why impedance relay is used for medium transmission line protection
if dc is better then ac...then why we are perfering ac over dc?eg:at home?
what is the ATS .And how it works.
Is there is any hazard to insulation of 3hp motor 5 KV megger is used for it?
what is the transformer turn ratio formula and give some examples?
Please tell me in DETAIL about the following 3 types of fuses or recommend me a good power system protection book or a website link ? 1.Dropout Fuse 2.Striker Fuse 3.Empulsive fuse (not sure if its impulsive or explosion fuse , sorry)
If the (Motor control center)Panel work on field the relay used in panel in the case this will be damage and no indication provide on panel.fault occur in panel and MCB will not trip. how happen the relay damage in panel and what effect of panel.
define differential current and restraining current in relays. how to calculate it by mathematically? post the formulaes.