how much amp MCB is required for 1/2 kva power back up?
Answer Posted / vicky
1KVA = 1000VA
Therefore 1/2 Kva = 500va
For a single phase current
500/230=2.174
So the MCB you can put here is a 2.5AMP as it will not be possible to get a exact 2.174amp MCB
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
why we use 630mm single core cable for transformer secondary side and why two neutral cable
give single line diagram of D.G distribution form alternator to main L.T panel?
explain comutator action in detail.thanks
explain the Trip supervision circuit
why induction motors are rated at 0.8 power factor.
how we calculate electrical load on a building according to area?
Is there any rule to select the voltage of motor based on KW rating? What is the rating above which lt motor becomes the HT motor?.
is all the servo motors having brake?please specify which servo motors having brake for stop on position and which are not.
In motors how many types of cooling systems were used?
What is the one main difference between ups & inverter ? And electrical engineering & electronics engineering ?
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 types domain of laplace transforms? What behavior can laplace transform predict how the system work?
71ohm,111ohm,95ohm,179ohm in calculate the total ohm in series circuit
we are having 15kw and 3kw motor both can run in same time , instead of using copper we are using ug aluminium cable , 35 sq.mm is suitable for its current carrying capacity..?
what is the mechanical safety of DG ?