what is the difference between arc and spark

2 Answers   ABB, Jindal,

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for which possible reasons a motor can fail to start??

4 Answers   CEB, Essar,

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What is vaccum currcuit breaker.define with cause and where be use it device?

0 Answers  

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What is the purpose of Rotor earth fault relay and How to test the Rotor earth fault relay in generators and What is the procedure?.

1 Answers  

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why do we have spikes enough to burn electronic boards, when generators are not grounded

0 Answers  

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what is ferranti effect?

3 Answers  

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What are chief characteristics of state-space method and its techniques ?

0 Answers   Limton,

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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(In MEP services) HVAC in AC Plant room what else can we provide if the chiller is not considered?

0 Answers  

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if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.

2 Answers  

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during parallel operation of two ac generator which condition must match before taking both parallel i.e speed /voltage rating /kva/exciation

2 Answers  

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solar inverters was not connected to the nuteral link .this nutwral possible to any other systems

0 Answers  

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