Hi everyone. Some Generators uses 3-Pole breakers with extra contactors for Neutral. Some uses 4-Pole. Why so? What is the idea behind this? Thanks in advance for the solution. Kr.

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Can we use the 60 HZ transformer/rectifier/Motors/Coils in 50 HZ? if not so, why?

3 Answers  

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Importance of fault current in power transformers and how to monitor the same? How is it different from winding temperature?

0 Answers   Impulse,

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What cmos is and its benefits?

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which types of tests are required after commissioning of 6.6 kva tranformer?

3 Answers   Reliance,

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what is diffrenance between ACB and Isolator

3 Answers  

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1)we have 1000 cfm Blower,Dia-1Mtr,Velocity of air 94 m/s 2)We have Natural Air velocity 94m/s 3If i Put Wind Mill in natural air ,speed is 94m/s Then it will generate Assume 100kw 4)If i put same wind mill across the Blower,air speed is same 94m/s now the Question is Will it generate 100 kw?

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what is static electricity and how it generates?

2 Answers  

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why transformer has more efficiency compare to rotating machine?

3 Answers  

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why open circuit test is conducted on hv side and short circuit test is conducted on lv side of a transformer ?what is the reason for it ?

3 Answers   HCL, NTPC,

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The normal highest generated voltage in India is a) 6.6KV b) 132KV c) 11KV

13 Answers  

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In MEP Services what are parts of STP and what are there function?

0 Answers   Tenon,

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