Answer / prem1190

As studied , a Stable swing which comes as transient and clears, comes under Power swing, while an unstable swing comes under out of step.
Kindly clarify..

What are the methods used to improve powerfactor ?

6 Answers  

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what are the installation procedure of high voltage power transformer,CT,CB&PT?

0 Answers   Siemens,

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where would be tap changer in transformer & why?

2 Answers   Kentz,

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In power point wiring,often,we use less size of earth wire compared to phase & neutral wire and we use big size pin in pug top. how is it justified? can we use small size cable for earthing?

3 Answers   HAL,

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Why r used of cable 50sq.mm and above size cable in 3.5 core. And below size in 4 core ? any technical reason please explain it

2 Answers  

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why DG rating in kva

6 Answers  

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What does the letter CTNM in negative phase sequence relay means?

0 Answers  

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why we don't discuss power facter in dc?

5 Answers  

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why power is generatd at 50 hz only..? can we do this on another freq...?

7 Answers  

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what do u mean by PS-0.2-5P class of Ct

3 Answers   ABB,

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what is current check gurd relay?

0 Answers   MRF,

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 Answers  

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