Answer / varun

3rd hormonics is the most frequent harmonic that occurs

Answer / shaikh

3rd harmonics has common affects as compared to others. why? because of ferromagnetic loads produced by saturated iron in machines & transformers. Later, arcing load like lighting & electric arc furnaces. How to reduce? by increasing large fault level capacity to absorb more harmonic current.

Answer / birju barot

7th

Answer / guest

3rd

Percentage losses in power generation?

1 Answers   Nespak, Trimax,

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What do u mean by Line voltage Monitor?Where it is used in a Power system?

2 Answers  

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difference between relay and solenoid?

2 Answers  

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i want to know that how the height of Ct ,cvt ,LA calculated on the basis of creepage distance

1 Answers   Vedanta,

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If the output of a 100kva, 415v generator is stepped up to 11kv with a 500kva transformer,can the transformer be Loaded above the source generator loading?

2 Answers  

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Interchange 7 and 6 ,÷and× 36×7+4-7×3

1 Answers  

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i have 400/230v transformer and didnt done the neutral eatrhing. i connected one lamp to one phase and neutral to the earth. but the lamp is not glowing. again i connected neutral to earth and repeated the same. then the lamp is glowing. in the first condition i tested with a line tester also, at that time the tesrer is glowing what is happening i dont know can any one help me?

1 Answers  

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What happens if a +vely charged particle is placed in the centre of a room and assume that the north side wall is having magnetised with north polarity and south side wall is magnetised with south polarity. In which direction the particle will move

5 Answers   BSNL,

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What is the required value while doing the megering

1 Answers  

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Why back emf used for a dc motor? Highlight its significance.

1 Answers  

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explain Density

1 Answers   TCS,

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how LT meggar works

1 Answers   Essar,

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