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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What is the function of wave trap in an electrical substation?

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what is cogging and crawling

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we have a lot of model of rectifier but thyristor rectifier is the most rectifier that use in power system. Do you know why this rectifier is used?

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What is the loss of transformer of 220kv/11kv, 63/80 MVA and 18.05% impedance

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how to select electronic timer(Star-Delta) setting for diff. rating motors

0 Answers   Getrag Ford Transmissions,

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For a CT the number of turns in the primary winding is.........

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what is auto transformer

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which protection used in power plant?

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Dear sir,how should i set the relay in star delta starter..say ex i am having 4ohp motor,,wht should be the relay setting...?

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difference between load bus and dead bus?

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should dc supply will give the transformer to build up the voltage level

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