In single phase ac ups supply when current is measured with tong tester neutral current is found more than phase current.What is the reason?

0 Answers  

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how can we understand that where we have to use ac or dc coil for solenoid valve and why?what is the different between coil of ac and dc explain please.

0 Answers   TK Group,

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what is differance between kvarh $ kvah

1 Answers  

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Why we have short circuit the secondary of the transformer

1 Answers  

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How harmonic block test are conducted on relays ( Siemens,Areva ect )power transformer using omicron kit?

0 Answers   Siemens,

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why root three is used and how its comes in three phase power system?

1 Answers   IEEE,

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what is model question rrb junior engineer electrical gr.II

0 Answers  

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How the frame size of a flange mounted AC induction motor is calculated?

0 Answers   APCPDCL,

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In dc motor starter there is less voltage required for holding contactor that's may why it is called no volt coil. but in ac starter why holding contactor is called no volt coil.

2 Answers   JSW,

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what is meant by power and distribution transformer ?

0 Answers   CG,

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what is the difference between earthed system and unearthed system.. where do we use unearthed system because in electrical catalogues always cable for earthed and unearthed system is given..pls elaborate

3 Answers  

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How i can select current transformer and meters for the upgrading the panal..for 200kw to 600kw....i need to select monitoring and protection ct,s and apmpire meter ,kw meter too.

1 Answers  

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