how can calculate resistance box for 15 kw, 6 pole, RV-230,
RA-42 motor
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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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when we have to purchase the transformer by own i.e how much load will preferred HT connection?
difference between high and low impedance BUS BAR relay??
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HRC full from
what is Fault level? why it is calculated? how will u decide same for our plant?
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pls give proper discription of selection of transformer based on particular load.
In EHV tranm. The conductors are …….. a) Cu roads b) Cu bars with Si c) Cu tube with Si plate
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