what is gapless metal oxide techniques?

1 Answers  

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what is diff. between earthing grid,earthing mess, earting grid?

0 Answers   Century Rayon, Emco, Tailor Solution,

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Whay you want to change your job.

1 Answers  

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WHAT ARE THE FACTORS REQUIRED FOR SELECTION OF TRANSFORMER RATING?

13 Answers   Tech Mahindra, Technip,

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what happens to the speed of a DC series motor when series field winding is removed?

8 Answers  

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how we have to calculate the short circuit current for 33/11kv 2mva, 7.5% Z, Transformer primary side breaker and secondary side breaker short circuit current for both sides?.

5 Answers  

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Why does the phase voltage of two healthy phases become equal to the line voltage in case of an ungrounded neutral 3 phase star connected sytem when a single line to ground fault occurs ?

2 Answers  

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How do we measure earth fault current in Generator Transformer(20/420kv),Station Transformer(20/11 kv) and Unit Transformers(20/11kv) for our plant system, since these don't have any Neutral earth Fault relay connected to their Neutral Earth? But for Unit Service transformers(11/.433 Kv) we have an Earth Fault Relay connected to its neutral earth.Why is such so?

1 Answers   NTPC,

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why transformer are rated in KVA not in watt?

7 Answers   DMRC, L&T, TCS,

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Explain about 3 phase motor fault current calculation with examples?

0 Answers   QTC,

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Explain the working principle of Synchronous Generator and Assynchronous generator?

11 Answers   TATA,

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What is time invariant system?

0 Answers  

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