adspace


Why battery chargers are use in substation?

Answer Posted / sudhi.m.m.

i could partially agree with 1st and 2nd anrs, but having a doubt that cant we use relays, protecting system etc which works in ac, a substation will always maintain a supply by back feeding from other substation at the time of station shutdown, then why we are going for dc it self

Is This Answer Correct ?    3 Yes 6 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Circuit diagram of tube light without starter using electrical choke

4211


Pls mail me utility & Dg related question with answer

1865


why lightning arrestor are made in two stack of insulator but why not cvt

2151


Can Anyone Answer anyone of these ? Q1) why direct SOLUTION of Load Flow Studies in Not Possile ? Q2)Why majority of Buses in power system are load buses Q3)Why one of the buses in Power system is taken as reference bus (slack or swing) Bus ? Q4)Bus Admittance Matrix is a sparce (means it contains some zero elements ) matrix , give reason

2029


send me any model test paper of clerical post of state bank of india.......

1936


can i able to get bhel previous exam question paper?

2170


What is the gross weight to copper ratio in slip ring induction motor of 4000 HP,6.6 kv, 372amp, 992 rpm GE motor.

2431


what is mean by restructuring power system?

2155


What types of CMOS memories have you designed? What were their size? Speed? Configuration Process technology?

3781


kindly send me 11KV MV motor differential protection procedure by primary injection method.

1521


please send me previose rrb junior engineer qustion papers

2230


plese send me the oces/dgfs sylabus and previous year question pattern of electrical engg.?

2378


Q.1:What protection will be used on HT and LT side of 33/0.4 KV, MVA transformer. Indicate capacities of protective device to be used. Q.2:Which types of back-up protections are used in the power transformers? What do you understand by the term over travel in the relay? Q.3:How star and delta connected winding transformer are provided from earth fault

2215


Hi, This is Laila. I am selected for syndicate bank interview. Could you please share your views and the questions asked if you have faced the interview My email id is laila_honey09@yahoo.com Please send as fast as u can.Thank You Thanks... Laila.

2172


what will happen if synchronous machine rotor fed from single phase ac supply 

1822