Show formula which gives full load current 4.8 amps of a 3
HP motor and 27 amps of a 20 HP motor having 3 phase 460
volts, 0.8 Pf.

Answer Posted / sakthivel

3 phase full load current I = power /root 3 * volts*power
factor

Is This Answer Correct ?    6 Yes 1 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

define the active power?

1496


what is differentila pilot supervision in the incomer control panel in the power station?

1631


how braking & making capacity of circuit breaker are calculated?

1853


What is Percentage impedence of a transformer? why it is expressed at a percentage? what is the importance of percentage impedence in case of a transformer?

1439


1hp= how much rpm

1590






How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.

1233


what & how to check the lightning arrester

1461


what is the use of vcb & isolator in substation?

1893


what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?

1567


what is the differencce inn series and cascade connection??

4245


State and define ohm’s law?

681


What are the advantages of thermal power plant?

688


If a rotary UPS is in line through grid power; What would be the impact on Power Factor if the load through rotary ups is 25% , 50% , 75% & 100%. Will the power factor reduce with less load?

1425


WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?

1511


Difference between control junction box (cjb) and power junction box(pjb)?

3002