Answer / hpl

Voltage regulator working principle depend on feedback
circuit.ie output requirement. it maybe static voltage
regulator or by auto transformer

what are the main problems that happen in an emergency light and how to fix them ?

2 Answers  

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why the neutral point in connnection oscillates?

0 Answers   Avalon,

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is there any role of power factor with frequency variation? and how we can manage the frequency variation?

0 Answers   Wipro,

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why aggregate is placed all around substation ground.

1 Answers  

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A Generator is in running condition and Rotor earth fault alarm is coming.How to check on line(i.e in running condition) whether there is actual earth fault in rotor or not.

4 Answers  

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what is the advantage of using 3 phase line rather than using 2 phase line?

2 Answers   Havells,

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we are having 110 Kv,250mA Electrostatic precipitators for coal fired boilers. what will be static voltage and current after discharge and what time it will remain before earthing?

0 Answers   Siemens,

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What is the difference between generator and turbo generator - related to power gereration

1 Answers  

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How is Grounding or Earthing achieved in Planes and Automobiles?

3 Answers   ABC,

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in india per day how much power is generated including all power station

0 Answers  

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Why selected cable colour red yellow and blue in 3 phase Electrical system?

9 Answers   Crompton Greaves, Essar, Gridco,

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ELCBs are installed for protecting humans from AC leakage current.Is there a device which protects humans from DC Leakage current??e.g.leakage from batteries...If not,then why so???

1 Answers  

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