Answer / sukhvinder

excitation means energiseing of rotor field by external dc
supply.

in lab almost both dc and ac are used.

why generation of electricity in low value voltage

3 Answers  

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I want d.g.set our company

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WHAT WILL HAPPEN IF INPUT SUPPLY OF RCBO IS CONNECTED TO OUTPUT SIDE

2 Answers   ABG Shipyard,

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pls tel me the electric train traction motors name plate details like rpm,torue,voltage,amps,watts..ect..

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what is different between neutral and earth?

4 Answers  

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In a power system we know that if the generated power is less than the load then the frequency of the system is decreases.So does this mean that total required load is delivered at alower frequency?

1 Answers  

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What is the breakdown voltage?

13 Answers  

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what is the dedicated earthing

1 Answers   Reddy Labs,

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calculate multiplication factor of a trivector meter with line ct ratio 200/5A, line PT ratio 11000/110V and meter CT ratio 200/1A and meter pt Ratio 11000/110V.

4 Answers  

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Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

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my 10 hp submersible pump is tripping when connected through ELCB.I have checked the megger value of the coil's with body.It was found to be 0.2mega ohm.that is leakage is there.But when connected to mccb it is not tripping.no leakage current in the motor.Is it safe to connect to mccb? what are the problem's will arise if future?also tell me in ELCB no neutral is connected to motor.than how ELCB was working?

1 Answers  

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What is DTR erection?

0 Answers  

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