Answer Posted / r.p.nair
it is the cut off of scope or the area upto which we will
control
| Is This Answer Correct ? | 34 Yes | 2 No |
Post New Answer View All Answers
Practical condition in 400KV Sub station:- Breaker(open) , isolator(open), Earthing (close) at both end e.g A & B. Now Open A Stn Earthing than Open B stn Earthing (Which have a 50MVA reactor) , AND suddenly show R,Y,B phase 704KV,573KV,118KV respectively. Que is without closing of breaker how it is possible.???? My Whats app No:07621840498 for Further Discussion. Pls experts suggest.
there is an alternator 480 k.w, 400v,50hz, 4-wire running on load having leakage alternator body earthed current 38 A. is it within acceptable limit? if yes then give reference if no then how to bring within specified limit
What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.
What is the formula to calculate the size of Aluminium and copper cable?
diameter of cable and core is doubled then the value of capacitance is
According to conduit size which size wiring & how many wires can we provide wires in conduit & how can we select conduit size accordingly?
If we use 250A MCCB as a incomer in Control panel for a fault level of 50kA for one second ,assuming temperature rise from 85 Deg. to 100 Deg , Then what will be the Aluminium Bus-bar size for 250A MCCB? Explain in detail.
how does this job compare with others you have aplied for?
hai friends i have BSNL JTO exam on next month so if any body have model question paper or give preparation tips to my mail id kumar4486@yahoo.co.in this will helpfull for my future .plz & thank u by kumar
What is the formula to calculate a three phase alternator
Which of the following alternatives will be cheaper (1) A 100 h.p AC, 3-phase motor (2) Four motors of 25 h.p each (3) Five motors of 20 h.p each (4) 10 motors of 10 h.p each explain
Why frequency changes due to load variation in power system ? i.e why when load increases frequency decreases?
how to identify the cable quality and what is flame proof cable
how is the cable tray designed & how its total length is calculated for an Industrial plant Say for Ex. (500KW Motor Load)
Phase control and integral control are used for?