what is the difference between 2phase & 3 phase?

1 Answers   NTPC,

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what is the principle of servo motor

2 Answers  

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What is balance beam relay ?

2 Answers   Roman,

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what is the earth resistance ?

5 Answers   Bhel, Cummins,

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transformer is connected with 50hz and 60hz at same rating which will give more output on same rating

2 Answers   Palace Consultant,

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what is the difference between KW and KWh?

9 Answers  

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what is the difference between neutral

10 Answers  

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what will happen if phases are not shorted with neutral in transformer impedance test? and if neutral is not connected with ground?

1 Answers  

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how the voltage between all the three phase is zero can any body explain me

5 Answers  

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A 400 V, 50 Hz, Δ connected synchronous generator has a field reactance of 0.1 Ω and armature resistance of 0.015 Ω. At full load, the machine supplies 1200 A at 0.8 pf lagging. Under full-load conditions, the friction and windage losses are 40 KW and the core losses are 30 KW. What is the machine’s overall efficiency? Ignore any field circuit losses.

0 Answers   VECL,

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ADVANTAGES OF DIGITAL COMMUNICATION OVER ANALOG.?

1 Answers   Google,

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what is relation between ct and pt ratio with multiplication factor of a energy meter? is there any other factor on which multification factor depend?

0 Answers  

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