Why consider motor rpm to select capacitor for motor
Lower the speed ,higher the capacitor required
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What is a slack bus?
in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???
Why we use DC for charging of Batteries??Why not AC Supply???
what is surge arresters ?........
How to Convert horsepower to kva? what is the three phase formula? explain me if u can Example..i have 50Hp Moter how can i convert in kva tell me formula three phases Rehan Smileavail@msn.com
how the magnetic flux is said to be rotating & alternating?
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we can use airconditioner for cooling the winding of transformer ,if not why?
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How to calculate the breaker's short circuit current?
why three phase capacitor takes unbalanced current in capacitor bank?