what is a tri vector meter? what are the tri vectors?

2 Answers  

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Why lightning arrester blast in rainy day?

1 Answers   Eco Cement, Mahaveer, MBDL,

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Which do you think is the most significant cause of energy loss in a factory?

0 Answers  

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i work as a technician at a private company.. i used to take amp reading for certain appliances such as air con.. the problem is when i clamp the neutral, wire there is a current reading.. from my understanding for single phase system neutral should not have current unless if the circuit is not complete.. yet the air con still work

3 Answers  

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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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Can we use same copper cable for both AC & DC power.

3 Answers  

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hi , i have 150 kw loud and we need 50 m cabil,i want to know wich size cabil we use. thanks

0 Answers  

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at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

0 Answers   ONGC,

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meaning of two lines in between the transformer single line diagram??

3 Answers  

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What kind of preventive maintenance are there for AC generator?

1 Answers   Gulf,

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Elaborate the term "rotating magnetic field"

2 Answers   APTransco,

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What is servo Motor? What's the advantages of this motor over Induction motor?

1 Answers   Amtek,

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