Answer / pollachi

3 phas energy

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†

1 Answers  

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what are the causes for strip heater failure ?

1 Answers  

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 Answers  

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Why single core cable required bonding at double end.

1 Answers  

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why power factor is important?

6 Answers   Dalkia, MGC,

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Why the substation measure in KV but not in the power ratings of transformer.

4 Answers  

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What is the previous name of Cox's Bazar

0 Answers  

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only some transformers and some generator requires NGR why?

1 Answers  

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what's the exact magnitude of current, flows through Neutral?

0 Answers  

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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im electrical engineer, could any one help me for FEWA exam questions please ?

0 Answers  

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1.wat is the purpose (or)function of regulator? 2.wat is the purpose of stabiliser?

3 Answers  

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