Im designing APFCR Panel for 600 KVAR.I need to calculate
the full current so that i can choose the capacity of
isolator/Breaker.Kindly suggest with formula.



Im designing APFCR Panel for 600 KVAR.I need to calculate the full current so that i can choose th..

Answer / wareagle

600 kvar/kv x 1.73 So if the voltage = 400 volts the
amperage = 600/0.40 x 1.73 = 867 amps. Your breaker would
be determined by your local code. USA would be
867 x 1.35 = 1170 or a 1200 amp breaker.

Is This Answer Correct ?    8 Yes 0 No

Post New Answer

More Electrical Engineering Interview Questions

can any one suggest websites having study maetrials for the electrical students?

1 Answers  


does not the circulating current in a transformer affect the flux distribution in the transformer core

1 Answers  


A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

0 Answers  


Why can we connect the mobile charger both ways?

2 Answers  


A 30KW motor running at 1450 rpm draws 56A, how would you determine if this is correct or not?

3 Answers  






How much maximum power can be transmitted on 66 KV transmission line?

1 Answers   Konark, NDPL, Torrent Power,


what are the standard transmision voltages in india?

9 Answers   Adani,


How many losses in generators? how we can reduce them? and also in motors,transformers?

1 Answers  


Can any body explain the operation system of MVWS(May be related to water and fire hydraunt system)?

2 Answers   TATA,


what is a composite error in current transformers, why occurs & in which it will occur i.e, either metering ct/ protection ct

0 Answers  


what is the type of winding connection( star or delta) in 1HP to 5HP motors. How to check the motor winding connections( star or delta) if not provided in the nameplate?

5 Answers  


what is the advantage and disadvantage of billing in kwh and kvah by electricity board .

6 Answers   Nespak, NTPC,


Categories
  • Civil Engineering Interview Questions Civil Engineering (5085)
  • Mechanical Engineering Interview Questions Mechanical Engineering (4451)
  • Electrical Engineering Interview Questions Electrical Engineering (16632)
  • Electronics Communications Interview Questions Electronics Communications (3918)
  • Chemical Engineering Interview Questions Chemical Engineering (1095)
  • Aeronautical Engineering Interview Questions Aeronautical Engineering (239)
  • Bio Engineering Interview Questions Bio Engineering (96)
  • Metallurgy Interview Questions Metallurgy (361)
  • Industrial Engineering Interview Questions Industrial Engineering (259)
  • Instrumentation Interview Questions Instrumentation (3014)
  • Automobile Engineering Interview Questions Automobile Engineering (332)
  • Mechatronics Engineering Interview Questions Mechatronics Engineering (97)
  • Marine Engineering Interview Questions Marine Engineering (124)
  • Power Plant Engineering Interview Questions Power Plant Engineering (172)
  • Textile Engineering Interview Questions Textile Engineering (575)
  • Production Engineering Interview Questions Production Engineering (25)
  • Satellite Systems Engineering Interview Questions Satellite Systems Engineering (106)
  • Engineering AllOther Interview Questions Engineering AllOther (1379)