Answer / chandrashis

with the help of spring relay

what is the surge arrestor?how it operates?what is the range for it?

4 Answers  

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How much UG cable size should i use so as to accomodate a ground + 2floors house. A 1.5ton AC & geysers(2) in each floor with lightings

2 Answers  

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Why we use mho Relay in long transmission line?

0 Answers  

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How the power factor is more in high speed machines

1 Answers  

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I am designing new project sub station with 220 kV / 11 kV, 40 MVA capacity. This project have many recifier sets, which can generate 3rd harmonics. Now I have to select vector group of This transformer. To minimise 3rd harmonics, what care should I take in selection of Transformer Vecrtor group? If it is Y-Y with open Delta tertiary then what should be the rating & voltage of Tertiary Winding?

0 Answers  

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can we use 3 phase UPS for Motors and Other Machines

4 Answers   ACC,

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wht do u mean by constant flux linkage theorem ?

3 Answers  

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working of a diesel generator.

34 Answers   ABC, AC, Cognizant, CTS, Directorate of Lighthouses and Lightships, KSL, Quippo, Shree Renuka Sugars, SRF, Svam Power, Tech Mahindra,

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how system voltage affect the power factor or vice-versa.

4 Answers  

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Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

0 Answers   Quest,

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What is the starting current of a motor?

3 Answers  

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what is meant by tranformer impedance?

0 Answers   Synergy,

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