Why battery chargers are use in substation?

5 Answers  

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in underground cables, we have a grading method called 'capacitance grading' why is it called 'capacotance grading' although we do not use any capacitor in it?

1 Answers  

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What is the full form of CNC in electrical mechines.......?

1 Answers   Alstom,

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Why neutral is used in electrical system?

2 Answers  

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What is the difference between earth fault protection of motor feeder with CBCT and Without CBCT ?

0 Answers   Enmas, Michelin, Reliance,

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what is the switching substation

2 Answers  

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why dhyedration test required for transformer oil once in a year

1 Answers  

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what is the difference betwteen overcurrent and short circuit fault?

3 Answers  

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Explain difference between aluminium coductor & copper coductor.

4 Answers  

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Why the bypass and blocking diodes are used in solar modules?

1 Answers  

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if we keep frequency constant can we cal a synchronous generator as a dc generator

2 Answers   Cummins,

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

0 Answers   ICS Integrated Computer Solutions,

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