To determine the Healthiness of Insulation we will be performing Dielectric tests i.e Insulation Resistance test, Partial Discharge test,Switching Impulse, Lightning impulse, Tan Delta test ...etc why we required to perform this many test, why cant we do only one test. for Transformer, CT's

1 Answers  

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why reactive power produce in generator? why inductive load absorbe reactive power?

2 Answers  

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Induction generator has = A negative speed B negative slip C negative voltage D negative current

2 Answers  

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How to know the following data of synchronous generator 1. D-Axis Unsaturated Reactance 2. D-Axis Unsaturated Transient Reactance 3. D-Axis Unsaturated Sub - Transient Reactance

0 Answers  

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what is the difference between Resin Cast CT and Oil cooled CT?

1 Answers  

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what is the difference between phase and neutral?

3 Answers   IAF, Indian Airlines,

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what is the diff. between x'mer , isolation x'mer & ultra-isolation x'mer ?????????????

0 Answers   ABB,

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what is meant by trip circuit supervision & directional or non directional over current ?

1 Answers   ABB,

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if the voltage across the lamp drops by 1%, the power drawn will be reduced by how many %?

5 Answers   PSPCL,

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I want to know the currect formula for industrial lighting lux caluculation & light fittings selection

2 Answers   MRF,

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A 3 phase transformer's (Y-Y) Y and B phase is (Y and B connection not broken) broken from neutral and R and Nutral connection is ok, what will be the relay tripping and why

0 Answers  

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is it possible to export & import power in a same transformer.how

2 Answers  

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