For 7.5kw star delta starter how to calculate 1. Mccb rating 2. Contactor rating 3. Over load relay rating

1 Answers   L&T, MAHINDRA,

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before synchronizing an alternator,power factor is leading ,why?

0 Answers   CUMI,

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Which element has power dissipated in it when the source is removed ?

2 Answers   SSC,

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Totally how much power will be consumed in 1 hour cotinuous running of electric train engine?

1 Answers   L&T,

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its Kva and Kv are same?

3 Answers  

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why write 500v on line tester (Test pen)

3 Answers  

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Formula to calculate fault current flowing in the neutral line?

1 Answers  

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what is the definition of Nominal current or voltage

1 Answers  

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What will be the total current for 300kva UPS if it runs on 40 to 45 percent load. Is there any formula for to calculate the exact load.

4 Answers   Sodexo,

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Why do we use 36KV LAS for 33kv line and 9KV LAS for 11KV line?

1 Answers  

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Which device is provided as backup of Buchholz relay???

2 Answers   Indian Railways,

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can any one help me for my ups inter view , list out few basic technical ups question with answer.

1 Answers  

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