What is slip in induction motor?

3 Answers  

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what is ring main unit?

1 Answers   Otis,

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Why GRR starts from 60% of motor speed why not less than 60%?

0 Answers  

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1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india

0 Answers   Areva,

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Can we loop AC neutral wire with DC neutral wire?

5 Answers   ABB,

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where is used dc volage transformer,and what is highest capacity of transformer

2 Answers  

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how do we calculate length of starting time and repeated starting of a direct online starter?

0 Answers  

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In explosive and polluted environments which type of motors do we use?

3 Answers   NTPC,

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For a 6.6kV Motor it is recommended to do megger test with 500 V d.c and not more than 5kV d.c but the Hi voltage withstand test should be performed by 12kV AC. Why the dc voltage test should be limited but AC voltage withstand test could be with such a high voltage?

0 Answers   Hormozgan Steel,

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Is current shock due to voltage or current? pls answer

2 Answers   ABB,

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how many ampere Maxmium load given on a 10 kva DG set?

3 Answers  

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why various test are performed on electrical panels & power cables before commissioning on site & what are these test???

0 Answers   Lavasa,

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