How to calculate VCB current rating for 2000 KVA transformer
Answer Posted / k. kannan
Power=1.732*415*I
I =2000000/1.732*415
I=2782.5 amps
Vcb =I=2000000/1.732*11000
I=104.97 amps=I=105 A
Suitable VCB 125 AMPS
| Is This Answer Correct ? | 7 Yes | 16 No |
Post New Answer View All Answers
I need the recommended size for a 3 phase transformer at 13.8 KV Primary and connected loads of 3000 kVA at 4200 volts and 2375 kVA @ 480 volts AC.
What is Instantaneous Earth fault relay,how will work
Hello to all, Please someone can send me HPCL ELECTRICAL Engg. Sample papers to me? Its urjent....my email address is.... raviasiapacific@gmail.com
What is a dominant pole?
What is Annunciation?
I am interested to know what does 15 KVA DG set actually means? If I dont know the DG rating, is it possible to identify KW by simply knowing the diesel consumption?
As per the Anchor capstan motor specification, full load current is 200A. starting current is 1750 A and acceleration time is less than 8 seconds. Please guide for selection of cable size.
List the advantages of star-delta starter with induction motor?
Draw a SLD of HT distribution EB grid up to users Transformer?
how much GROUND & NEUTRAL VOLT maintain in data center.
number of I/O devices in siemense plc
What are PLC leader logic program method
Classify milling machines.
What are the no-load losses for the 11000/415V transformer with the following rated capacity? 1.1500 kVA 2. 2000 kVA 3. 2500 kVA 4. 3000 kVA
what is through fault?