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

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can we use transformer for 70 Hz?

6 Answers  

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what is the maximum demand how it is defined

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I have a one P.F meter in my factory showing 2 phase leading and one phase lagging then what is my actual P.F.

1 Answers  

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what is resticted earth fault protection ? how did it protect & work in power transformer

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Is there any type of starter for DC motor other than two point,Three point and Four point starters?

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what is the use of current transformer in power transformer secondary side.?its connectyed in WTI

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Why screen of the screened cable not earthed on both the ends of cable

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What is VFD, and how its work

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can anyone tel me what is competency of electrical supervisor??

2 Answers   ONGC,

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why the rotor current becomes in steady state during high slip region? please verify with equations.

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What are the tests carried out on transformer while testing at sites?..Pls explain me in detail

2 Answers   Suzlon,

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