Can RCD's used to protect the VVVF drive if not why.

0 Answers  

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how actually an anti pumping device works? what is the operational principal?

2 Answers  

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diff.between servo motor and ac motor

0 Answers   Power Grid,

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what happens when dc generator coupled with cycle shaft.also explain what happens when its loaded

0 Answers   NTPC,

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I WANT TO know WHICH WAY IS BETTER FOR CONNECTION BETWEEN POWER TRANSFORMER AND MAIN DISTRIBUTION PANEL. 1-IS BETTER WE USE CABLE? 2-IS BETTER WE USE BUS DUCT? my transformer rate power is 2500KVA

1 Answers  

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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Write masons gain formula.

0 Answers  

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STATE WORKING OF VACCUM CIRCUIT BRAKER?

0 Answers   ABB, BEML,

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why multiplying factor is used in wattmeter???

1 Answers   Nippon,

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what phase and neutral.

3 Answers   HP,

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I have suguna 3 hp pump for my agreeculture work.It deliver the water from 45 feet well .I suffered by powercut.During powercut i got 2phase supply only .My question is can i run the pump in 2 phase supply using capacitor?.Can u explain me how to connect the capacitors?

2 Answers  

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Difference between single phase and three phase?

1 Answers  

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