how to calculate the slowness and fastness of energy meter if we have different

how to calculate the slowness and fastness of energy meter if we have different kw load for example (0.746 kw and meter rev constant 400 and we calculate the 2 rev in 30 sec) please explain the formula thanks

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how to calculate the slowness and fastness of energy meter if we have different kw load for example ..

Answer / k.prakashchandra

Meter rev constant means rev/ kwh ? Then one rotation =60x60/400 or 9kws . 2 rotations = 18kws.Time taken is 30s. Then the av load is 18/ 30 or 0.6 kw

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