Answer / vinoth

kw=kva*P.F
WHERE KVA IS 500KVA
P.F=0.8
KW=500*0.8=400 KW
IF WE CAN ASSUME FOR A HOUSE IT WILL CONSUME 5 KW FOR EACH HOUSE .SO WE CAN SUPPLY TO 80 HOUSES POWER OF 5KW

We have 800KW motor operating at 6600Volt,50 Hz supply.During 1st startup it tripped on overcurrent trip.It's FLA is 88 Amps.The K factor of Thermal overloaaad was set on .94 initially.then we set at 0.97 and then it started fine.i dont understand why it tripped first?What are the protections which comes in picture during starting ?

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