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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How to calculate the transmission losses incase of overhead transmission lines?

6 Answers   Jindal,

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what's the outstanding feature of universal motor?

2 Answers   Tanfac,

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What is the working principle of MIG welding? and its out put Voltage?

0 Answers   L&T,

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why 3 phase motors are preferable over single phase motors ?

4 Answers  

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earth also having a gravitational force (magnetic field of north and south)but it attracts any object compare to this theartifical magnetic cant perform same as earth why?

0 Answers  

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What is the calculating formula for HT and LT amps in a transformer.

22 Answers   Cipla, K-Electric,

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What are protections for dty type transformers

0 Answers  

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why does in transformer the v/f ratio constant?

2 Answers   TATA,

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explain remenance . differentiate high remenance type ct & low remenance type ct

0 Answers   Coca Cola,

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what is suitable cable for 25 HP motor ? start with VFD ac supply 50 hz

3 Answers   Mac,

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what is difference between neutral and ground wire?

2 Answers   TCS,

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