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I have 30KW Motor Starter Panel, System voltage is 480V, So i have to convert voltage 480 to 220V to give the contactor coil. How i can select control transformer, Which rating transformer i can use this panel, what is the procedure, please tell me.
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Answer Posted / santhosh(adityabirla group)
u know ur motor kw and supply voltage, first u have to
calculate ur full load amps,
KVA 480V
30 36A
45 54A
75 90A
now u have to select ur rated KVA trafo
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