Why reactors use before incoming of ac vvfd drive?
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what is stay bow?
What is pole of the system?
1. what type of winding of slip ring ac induction motor rotor and why. 2. how the heating element use in two phase (415 volt)and what rating of element, you prefered.
what is the minimum insulation resistance for HT AND LT motor ?
How much amps carry in single phase R-phase,in D63A 4-pole MCB
What is DTR erection?
what is sloop? what is meen LLB in and difine?
what is difference between induction motor&servo motor.what r types of servo motor?how it works?
specific gravity of a battery?
why we use core type and shell type transformers?
The size and construction of bushings in a transformer depend upon?
Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.
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