IF 3 NOS.OF HEATERS,3KW CAPACITY EACH,1 NO.HEATER CONNECTED IN R PHASE,1 IN Y PHASE AND 1 IN B PHASE.THEIR END POINTS CONNECTED IN STAR.IF I CONNECT THIS STAR POINT TO NEUTRAL OR DO NOT CONNECT TO NEUTRAL.WHAT WILL THE DIFFERENCE.

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How 3 phase invertor works?

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How we can measure the thickness of bus bar for a given load ? any farmula Plz elaborate clearly.

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what is the operating time for LBB and how does the LBB relay realise whether cb is opened or not?

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Can we use same copper cable for both AC & DC power.

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