Why Phase to Neutral get spark
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what is MAR
Why to keep capacitor bank off while generator running.
A 6-pole, 50 Hz, 3-phase synchronous motor and on 8-pole, 50 Hz, 3-phase slip-ring induction motor are mechanically coupled and operate on the same 3-phase, 50 Hz supply. If they are left open-circuited, then the frequency of the voltage produced across any two slip rings would be
Why inductor short on dc and capacitor allow to flow ac?
What is ferrite affects and what is disadvantage of ferrite affects.
differentiate between c curve and d curve MCBS?
how to calculate busbar size? if ex:1000amps i need to calculate busbar size and what size of bar?if any example caculation pls give the formulas.
What safety precaution are to be taken for avoiding electric hazards ?
How does frequency affect KVA rating of a transformer? If a 500 kva, 500 to 250 v, 60 hz t/f used in Canada is to be operated on 50 hz in Europe frequency then how will its KVA rating change? a-increase b-decrease c-remains same
What are the classifications of oscillators?
We have 3 Gensets 1.500kva,2.380kva,3.250kva How can we connect in common busbar&we have variable load.
The synchronous speed of a motor with 6 poles and operating at 50 Hz frequency is ___.