How to select the earthing transformer,for DELTA TO DELTA TRANSFORMER OR ALTERNATOR SIDE.Pls post your answers and calculation.

0 Answers  

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What is NGR . What is the purpose of 10 sec ,60 sec rating of NGR.

0 Answers   KOTC,

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cause of failure of transformer bushes

3 Answers  

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Whats the use of earth pits? and it will function? whats the natural earth value? How to improve ur earth resistance?

3 Answers   Anwar Ispat,

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wath is skin effect?

9 Answers  

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Define peak overshoot.

0 Answers  

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why we pefer the salient pole for synchronous motor ?

2 Answers  

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in star delta starter current is 1/3times the delta value how?

2 Answers  

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what are the types of control systems to control the speed of the motor??

1 Answers  

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I want to know the standards for earthing system as per IEC, BIS & IEEE.

2 Answers  

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Do any one know exacatly when the results for NHPC held on 8th march 09 for engineering trainees will be released ?. if so please post it, i'm eager to know it.

0 Answers   NHPC,

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

0 Answers   SISL,

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