What is the possible cause for failure of lightning arrestors in outdoor substation under normal condition

0 Answers  

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What is the role of link in neutral in a three phase ac system?

10 Answers  

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What are the different types of transformers?

0 Answers   Syntel, Visa,

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why dc motor is called constant flux motor?

1 Answers  

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What is the meaning of utility ground and clean ground? How the distribution panel is grounded?

0 Answers  

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explain with the help of loading capability curve,reactive power generation and absorption from synchronous generator?

0 Answers  

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Why in power plant projects we see DOL starting method used for motors upto 160 kW instead of star delta method

0 Answers   UCC,

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How to check 11000/1.732 to 110/1.732 Potentila transformer (PT)?

0 Answers   TCL,

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working of diesel generator ?

0 Answers  

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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is electrons really flow or they just vibrate at their position?

5 Answers   Bhel, HAL,

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what is need of air gap in expansion section in busbar?

3 Answers  

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