what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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why the rating of transformer in only KVA not in others?

7 Answers  

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Which motor runs on both ac and ac? a) dc series motor b) reluctance motor

2 Answers  

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What is a differential amplifier? Also, explain cmrr.

0 Answers  

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1. transformer design formula ? 2. how to calculate the primary turns and secondry turns ? 3. core types ? 4. how to find the primary current and secondry current ? 5. how to calculate the stacking factor ? 6. range of fulx density ?

2 Answers   Automation, Indian Railways, Mogora Cosmic,

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explain working of differential protection for a transformer?

1 Answers   BARC,

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Is ground earthing required for neutral conductor of a prime mover ie DG set?

1 Answers  

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

0 Answers  

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hi friend i am going too attend for hpcl in this month please help me by sending written test question papers i am in the stream of E.E.E

0 Answers   HPCL,

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what could be the possible reasons for copper cable to have low insualation?

1 Answers  

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what is power and what is watts detailed description and formulas

2 Answers  

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How to select the proper VSD to operate high inertial load

0 Answers  

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