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
define the active power?
what is differentila pilot supervision in the incomer control panel in the power station?
how braking & making capacity of circuit breaker are calculated?
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?
1hp= how much rpm
How to calculate main incomer rating of APFC Panel ? Let's say i want to find main incomer for 11kV, 1000kVAR Panel.
what & how to check the lightning arrester
what is the use of vcb & isolator in substation?
what are the differences between 'exhaust fan', 'heavy-duty exhaust fan' & 'super heavy duty exhaust fan'. what are their power ratings ?
what is the differencce inn series and cascade connection??
State and define ohm’s law?
What are the advantages of thermal power plant?
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?
WHAT IS MEANT BY INSULATION CLEARANCE IN VACCUM?
Difference between control junction box (cjb) and power junction box(pjb)?