Why motor initial starting current is high?
Answer Posted / yusuf
f'=sf
f'=rotor frequency
s=slip(ns-n)
f=stator frequency
During starting slip will equal to 1 due to rorot at rest that's why rotor runs same as stator frequency during starting.when rotor runs slip will reduced & motor current reduced to normal
| Is This Answer Correct ? | 2 Yes | 0 No |
Post New Answer View All Answers
What type of wiring series or parallel is used for conventional and addressable type FAS & why?
what is the transiant condition in alternator? and how it can be prevanted?
i've iocl interview.. if you know the interview process please give me information..
If a 3 phase induction motor is in off condition in the conveyor and rotor of the motor keeps moving with the conveyor than the resistance of windings of motor varies. why is it so ??
WRITEDOWN FEW RELY CODES
Why Ac Systems Are Preferred Over Dc Systems?
how do i work out the Amps of a incommer if i am running 1 37 KW motor and a 0,75 KW motor and some solinoids
is it possible to start a motor in felid connected to a remote mcc
WHAT IS DIFFERENCE BETWEEN CAPACITOR AND CAPACITANCE?
Briefly define and explain the following different types of Pulse Amplitude Modulation (PAM) with some examples. i) 2-PAM ii) 4-PAM iii) 8-PAM iv) 16-PAM v) Quadrature Amplitude Modulation (QAM)
what is mean by parallel operation of permanent magnet generators
what is the internal working of star delta starter
What is the difference between diode and a transistor in terms of the direction of current flow?
how to select the double earth conductor if 21A full load?
i have some screw comprressor with 630kw power,i have established them with simple star to delta circuit,by the way there is so much inertia when the screw comprressors start, can you offer me contactors power with 400vac or any cataluge to choose the contactors