Answer Posted / trwer
See, Battery chargers are mainly useing for charging the
battery bank which is responsible for all control supply of
control systems such as breaker clossing coil, trip
coil,indications, protection relays, Annociators etc....
Mainly, If we are taking the supply from main, ( with
out battery back up)at the time of power failer /
breakdown how will record/ reccongnise the problem.
Secondly, Normaly we are using DC power for control.(
AC also using) for desired DC back up we can store the
supply in Battery. But inthe cause of AC how it
possible!!!!!
Moreover, in the cause control system, DC is more
efficient than AC
well, if any body can give another good answer, Most
welcome to Him. Because Knowledge is Power.....
| Is This Answer Correct ? | 1 Yes | 1 No |
Post New Answer View All Answers
Don't you have similar question banks related to Oral Certification Examination conducted by Mercantile Marine Departments / Directorate of Shipping, Ministry of Shipping for Electro Technical Officer?
I want single line diagram for AMF & DG syncronizing panel
hello!my name is sheikh iam preparing for indian engineering servieces,please send me the old question papers..to sheikhshaazforjobs@gmail.com
What types of high speed CMOS circuits have you designed?
What are the ratings of VCB, MCB, MCCB, SF6, ACB, and OCB?
i want bhel placement paper for electrical if anybody having pl send to my id kavitha867@myway.com immediately
please send me jindal previous aptitude and technical question and answer.my email id is deep_raj@live.com
I have 2500KVA transformer delta/star,13.8KV/380V provided with LV 4000A breaker. Already I have 2300KW motor feeder with a full load 90%. Is it possible to connect another 1600A from that breaker? If so how the calculation is done?
xfhnchncv?
could anybody able 2 send me jindal steels previous papers fr electrical steam....pls send 2 my id if possible....sirisha.shaik@gmail.com
previous year paper of ntpc bhel for degree in electrical enng
As i want some model question paper in basic computer science and history please send me immediately sir
how many stairs have you climbed while you were coming
Electrical Engineering
can you send me the placement papers of electrical engg. from companis like NTPC,DRDO,IOCL,HPCL,BPCL etc.?If,plz send as soon as possible.Thanks.
