when meggering a 3ph,480v oil reservoir heater on a regen gas compressor, why do I get a reading to ground when meggering phase to ground? shouldn't it read opened or is there something that makes it read closed? on the same heater, when ohming, it reads open. thanx

1 Answers  

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What is a current transformer?

2 Answers   KEPL,

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Hai, I am from EEE branch.On feb 17 iam going to write an Exam for hindustan petrolium corporation Ltd.So plz send me the written exam pattern/Q's/interview questions.please mail to yuva_polisetti@yahoo.co.in

0 Answers  

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what is the burden?accuracy?Knee point voltage? what is the Alternator of PGM?

0 Answers   L&T,

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What will happen if primary of transformer is fed with Square wave instead of sinsoidal wave ?Will it operate or Not?

3 Answers   Areva,

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how to check ac servo motor

0 Answers  

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what composit error,ratio error,phase error in CT and PT??

4 Answers  

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Different between megger and contact resistance meter

3 Answers  

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what is interpose? where it is used and why it is used?

0 Answers  

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How to connect frequency meter in metering circuit?(single phase and three phase frequency meter)

3 Answers  

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In a 3 phase induction motor(without connecting supply) if we rotate its rotor by hand and check resistance of stator winding at motor terminal box its resistance varies why ??

3 Answers   Jindal,

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what is the problem with single phase AC motors and how is it overcome?

2 Answers  

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