whta is difference between contactor and breaker.

6 Answers  

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Name the different control schemes of electric rive.

1 Answers   DVC,

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Why are tertiary windings used in transformers?

2 Answers  

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Describe: Energy efficient motors

1 Answers   Reliance,

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HOW MUCH KVA DG SET REQUIRED for charging 12v 4000 ah battery?

3 Answers  

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what is there inside an inverter and how it works?

0 Answers  

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How the unidirectional torque produced in dc motor

2 Answers   CGL, Sail,

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Define what is power quality meter ?

0 Answers  

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I am getting above 60 V as open delta voltage against single phase unit ICT at tertiary delta formed and ICT getting trippped on NDR. ICT tested and found in order. PTs provided on tertiary are tested and in order. what may be the reason?

0 Answers  

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What is the RMS Value. Please discribe in detail

14 Answers   Bhel,

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At the time of 1st charging of transformer, there were huge inrush current, so why at that diffrential relay are not operated? Why?

3 Answers   Adani,

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How feedback transformer works to feedback power in Slip Power Recovery System

2 Answers  

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