ro plant grundfos bm30type pump.we start the pump using siemens 3rw 4423-1bc44, 30kw soft starter. bur its failier frequently. so we planed to change the dol starter. sp please tell me any budy its possible or not翿შ†

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Why electric sock occur to human or any lives ?

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Why r u using pf panel. what the uses

0 Answers   Standard Chartered,

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what is the difference between delta-delta, delta-star transformer???

3 Answers  

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what is different between installation and commonissonig.

3 Answers  

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in Contactor opearation Why there is a difference in the values of the operate and release voltage in case AC supply

0 Answers  

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what is the magnitude of earthing and neutral voltage

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Is it posssible to obtain the higher speed(3000rpm) for adiferentiallly cascaded induction motors(with 8 and 6 poles)

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How the field flux is controlled in DC drive ?

4 Answers   TATA,

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what are the main hormonics in ac?

1 Answers  

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Which theory is used in the analysis of salient pole rotor synchronous machines? Who is credited for this developement? Could the same theory be used for cylindrical rotor synchronous machines?

1 Answers  

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why vector group used in transformer and what effective in output

1 Answers  

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