how to calculate the powerfactor in induction motor having
name plate details? for example 1 h.p motor 1.86 A 415 V
Answer Posted / prakash veer singh
Dear Zakir husan
What is 1092 in your equation .
That we know that
p=root3 v*i*cos phi
1 h.p =746 watts = 1.732*415*1.86*cos phi
cos phi= 746/1.732*415*1.86
= 0.55 and pf leging.
| Is This Answer Correct ? | 12 Yes | 3 No |
Post New Answer View All Answers
What is the practical way to calculate the cable size for known ampere load?
which fault is severe and why?between lll fault and lllg fault which fault is severe and y?
A 100W electric lamp is supplied from a 115V, 60HZ source. The peak instantaneous power dissipated in the lamp filament is
What will be advantage if we put some load in neutral of grounded star transformer & loadshortcircuit current,rated current of cable & MCB with example?
distribution is maximum done by a)radial b)network c) parallel d)b & c
what is advertised hop count
which motor have relatively high power factor and what is reason for have high pf? 1.capacitor run motor 2.shaded pole motor 3.capacitor start motor 4.split phase motor
Under wat condition statcom operates as an inductor for the transmission line?
I am about to write exam in RRB bangalore for the post of section engineer.please provide me with previous exam questions
what are safety measures in /control in diesal engine/ explain them?
How to design pavement quality concrete by using C.R.C.P Method
Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.
What technology is used in latest generators?
Why the efficiency of a three-phase induction is the motor is less than that of a three-phase transformer?
Hello Guys !! i want to rrb section engineer electrical(signal) previous model papers? any body help me?