extremely urgent please, why a fuse is used before voltmeter but not with a ammeter connected to a CT(current transformer),thanks in anticipation.

4 Answers   NPCIL,

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Even motor protection, why motor burn out ?

1 Answers   Indorama,

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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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Between Star-Delta & Star-Star Power transformer which one is efficent for Earth Fault?

10 Answers  

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What is Automatic interlocking circuit dighram between two contactor for DG SET panel.

1 Answers  

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why the impedence of the transformer is expressed in percentage?

3 Answers   DEWA,

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Wat is the best to use in a generator a 6.5kva or a 7 kw

4 Answers  

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why ac current do not save

3 Answers  

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where used of HVDS system.

3 Answers  

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1 sq mm conductor=? how many amps

3 Answers  

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What is Tachometer used to measure?

0 Answers   Blue Star,

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how air lock will be removed from generators, how it happens?

1 Answers   ABC Engineering,

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