Answer / k.prakashchandra

1 : 2 ratio is to be maintained .You can go in for 30 and 60
and that will be more accurate

While starting a high capacity motor, it takes 6 times the full load current. Why it doesn't trip relay or CB's in that network?

4 Answers  

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why the transformer has no starter

2 Answers   NTPC,

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why the substation require din electrical system?

1 Answers  

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how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating)?

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If induction motor load is incresed motor speed decrases.But in syncronous motor load incrases speed canstant why?

5 Answers  

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differentiate between c curve and d curve MCBS?

1 Answers  

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we have require a Motor (1500kW, 6.6kV, 50Hz) which shall operate at 1500rpm during 30min and after it shall run on 500rpm during 15min. The same cycle shall be repetitive during the whole working days. Which method is best and economic to achieve such type of task. VFD, VVFD, Pole changing motor etc.

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can u please mail me the syllabus for GET exam for damodar valley corporation?

0 Answers  

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Since phi is the angular displacement between V & I, then why we use phi in power triangle ie. when showing active, reactive & apperent power in triangular manner & if it is ok then where is V & I in the triangle.

1 Answers  

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what is cogging and crawling

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What will happen to transformer if we gave 5HZ input instead of 50/60Hz??? explain with reason

2 Answers  

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