what is the operating principle of contactor(power).along with disection?

3 Answers   NASA, Tech Mahindra,

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what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

1 Answers   TATA,

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What will happen 50 HZ motor when you will give 60 HZ?

7 Answers   Bhushan Power Steel,

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how to calculate the power loss of cable?

1 Answers  

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the distance from my office to d.g is aprox 400mtrs and voltage drops ibn my office near about 40 volt what should i do p[ls suggest.

4 Answers  

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why transformer impedance measure in % (percentage)

4 Answers   Hindalco,

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how we provide neutral earth on synchronising panel as per electrical standards?

0 Answers  

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how many parameters can integrate with fire alarm basically ?

0 Answers   Schneider,

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How can we measure MVAR of a 3 phase transformer.....???

1 Answers   JLL, UPPCL,

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When do you use a VFD motor?

3 Answers  

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current cyring capacity of .75sqmm copper cable

2 Answers  

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if harmonics is generates on the secondary side of transformer then why we put LC ckt on prim side?(i m talking abt rectiformer transformer)

0 Answers  

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