If I want to replace a 26KW Slip ring Motor with a Squirrel Cage motor & Drive (for a Hoist Application). How can I approximate the Motor & Drive HP required in new Setup.

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In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?

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how to male a d.c bettery to blow a 230v bulb?

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Reversal of corrent feature in MCCB- What is reversalof current -explain broadly.

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why we use low kv lightining arrester in line for example 9 kv using in 11kv

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I HAVE A INCOMING 100A MCCB TPN 25KA, CABLE LENGHT OF 80M 70MM CABLE SIZE FROM MAIN SUBBOARD TO NEW DB.BASE ON THE FAULT LEVEL SETTING OF 45KA.I WOULD LIKE TO FIND OUT 25KA ENOUGH KA. APPRECIATE IF SOMEBODY CAN ASSIST ME WITH FORMULA FOR THIS. FRM: JEFF

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How many no of flip-flops are required to get 16 bit counter

10 Answers   HAL,

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how to calculate the watts from the tr

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How phase to phase voltage comes 440V.

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why in large rating C.T.s equipotential wires are used?

2 Answers   Essar,

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can anyone tell me the website for star-delta control diagram?

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what is the use of capacitor bands?

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