Why, the starting current of 3 phase Induction Motor is 7
to 8 times its rated current?
Answer Posted / richard
during starting time there wont be back emf so it takes 7
to 8 times high current
| Is This Answer Correct ? | 6 Yes | 8 No |
Post New Answer View All Answers
A 400KVA transformer has 400 Hz frequency. If the frequency is changed to 50 Hz, then what will be the new KVA rating?
what is W.T?specify the acceptable range?
do we use neutral grounding for resistive balanced load? if we use what happen?
Load transfer in 11kv double busbar switchgear - operation.
An impedance of 100 ohms resistance and an unknown inductance is connected across the capacitor. The resulting impedance is a pure resistance of 500 ohms ifω = 10^5 rad/sec. calculate the values of inductor and capacitor.
What is the actual meaning of thermal power efficiency ?
What are the symptoms of a bad PG card of a drive (inverter) esp. of Yaskawa Ac Drives (inverters) G7 ?
What are the causes of having an rmu explode after installation? And how do u treat the bushings of an rmu?
how to estimate wiring ins roughing ins. and boxes
Q: How to calculate Transformer losses , tell us by Formula.
What are electric motors?
how to calculate regulation constants for over head lines? and what are the regulation constant for raccoon conductor at different voltage level and different P.F?
i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper
Mention the disadvantages of low power factor?
Is it true that in the 3 phase transformer, the limbs of the core are at 45 dgrees to each other. if true, why?