why two over current realy used in vcb.

Answer Posted / balamurugan

we need answer for their.

Is This Answer Correct ?    1 Yes 5 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

why do you add the load short circuit impedance when considering short circuit amperage. It seems that you should only consider supply. If you need to consider loads and you don't know what loads are to be added , what would be a good sub-transient reactance rating for the loads?

1395


Haw to check conductivity of budbar

1343


In what condition the HT fuse breakes?

1486


what is the effect of back reactive power on the generator ?

1734


i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

1187






define the active power?

1490


why dc is used in control circuits for MV & LV switchgeras instead of ac

1471


What are the advantages of vscf wind electrical system?

637


hi plz send me reliance placement papers..i.e electrical technical papers that have been asked in reliance test.

2466


Define Electrical Insulation and examples of Solid,Liquid and Gaseous insulating materials?

1316


when measure the core loss of three phase distribution transformer or three phase reactor loss, one phase shown negative watt loss. why??

1522


What is the formula to calculate the rating of a three phase miniature circuit breaker

1662


What are the factor to be consider for CT selection in 132kV substation?

1620


How to calculate VCB rating for 33KV ,25 MW Power line?

1235


send me all basic electrical question and answers

2532