1.why should we connect the measuring instruments in l.v side in short circuit test of a transformer? 2.why the power factor is less in open circuit test of a transformer?

0 Answers  

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what is the current setting for different relay protection for transformer .

0 Answers   Crompton Greaves,

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How to calculate current carrying capacity of copper conductor _ such as cable size 25sq mm,50 sq mm, 75 sq mm, 100 sq mm

2 Answers  

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what is priming pump?why it is used ?

2 Answers  

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What is circuit breaker failure protection?

2 Answers  

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what is the difference between LT & HT Motors

11 Answers   L&T,

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What is meant by turbo alternators?

0 Answers  

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i want to know is it possible to generate usefull power by coupling generator with motor & supply gives to motor by battery source then generator generates power. remove the battery source given to the motor & feed the supply from some of the generated power supply to the motor & motor runs continously. generator generate power contnously.is it possible ?

5 Answers   UltraTech,

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We know flow of electron is current . But why electron flow from negative to positive and current from positive to negative?

4 Answers   Power Grid,

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A rotor of an induction machine is delta connected. Now is there any necessacity to short the slip rings?

8 Answers   TCS,

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why after termination of HT cable armoured earth connected one end, why not connect other end.pls tell me correct answer.

3 Answers  

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why AC signals are represented by sinusoidal waveform?WHY other waveforms not used for representation

0 Answers  

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