Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / karan
the thumb rule is,I= H.P*1.5
but current depend on Power factor,
Example power factor is 0.85
1 H.p=750kw=Root3*V*I*cosQ=1.73*415*I*0.85
so I=750/1.73*415*0.85=1.23 Amp
when pf is 0.80 then I=1.30
when pf is 0.95 then I=1.09
| Is This Answer Correct ? | 17 Yes | 7 No |
Post New Answer View All Answers
what is the criteria for selecting fuse rating in 1phase, 2phase & 3phase welding sets?
When will you multiply and devide with derating factors to the actual value while sizing the cable?
battery capacity use of made?
what irequirment need to be followed when working on live equipment
If a air condition consume 2.50 to 3.00 amp then how much it will consume in watts if it is running 10 hours out of 24 hours????
Which motor is 3.3 or 11kV more reliable, in terms of efficeancy,maintenance, reliability.
1sq mm dc powr cable can carry how much dc currnt
What will be the current if the resistance total in a series circuit doubles?
how will calculate the safe starting current of 3-phase squirrel cage induction motor?
1.what is the reason for transformer and lightning arrester blast in 33kv system
State the methods of improving power factor?
What is the purpose of stand by earth fault protection for transformer ?
what is the meaning of vcc
WHAT ARE THE DISADTAGES OF SINGLE-WIRE-EARTH-RETURN SYSTEM USED FOR RURAL ELECTRIFICATION?
I want to know the 'Test voltage' for Tandelta testing of 3.3 / 6.6 / 11 KV Motors. Please explain
