How to select, design,size & calculate for 11 KV/33KV/66KV/132KV/220 KV/440 KV circuit breaker for HT side of transformer protection/HT distribution protection?

0 Answers   Panacea,

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Can u explain : what is supply for train (whether a,c or d.c ).I know that supply is 25000v a.c .But there is rumour that supply is D.C. And also explain how lights and fans inside the trains are working ,and what type of motors are used in trains whether D.C motors or induction motors .If d.c motor, how it gets supply.If traction motors are used then what are traction motors and its functions and how it differs from other motors and also explain about locomotive . please reply..............

9 Answers   NTPC,

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why ht alternators gland plats using brass?

1 Answers   ONGC,

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If oil and air can withstand a high MeV when used as an insulator in a transformer, what are the values of how high for each material?

0 Answers  

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how to CHECK CT AND PT AT THE FAULT OCCUR IN GENERATOR RELAY PANEL .

0 Answers   Birla,

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I need tnpsc AE Electrical question papers

2 Answers   TNPSC Tamil Nadu Public Service Commission,

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Can we perform parallel operation of two transformers when one transformer on load?

3 Answers  

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What kind of test is conducted commonly for generator? And explain briefly

1 Answers   MAHINDRA,

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Why the generating station rating is in KW though the rating of generators in KVA?

8 Answers   HAL,

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What is mean by discrimination of circuit breaker ?

1 Answers  

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How to calculate or formula to calculate rhe power in 2 phase system ??

0 Answers  

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which type of oil is used as a transformer oil?

3 Answers   JSW,

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