Answer / ramachandran_pb

over current protection
earth fault protection

Answer / vipin joshi

1.. low lube oil pressure (2.5 to 7.5 kg/cm square)
2..high coolant water temperature (95 Celsius)
3.. low coolant level 80 %
4.. overspeed (1480 to 1580)

what are d/f between cfl and pl lamps,

1 Answers  

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we can use airconditioner for cooling the winding of transformer ,if not why?

3 Answers  

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if two transformers are placed parallel & both have fault impedance of 50KA will it increase or decrease show example?

0 Answers  

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On a transformer name plate %IZ(%Impedence) is mentioned. What is the meaning of %IZ and how it is calculated?

3 Answers   Ambe Consultancy, Siemens,

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why we use CVT (capacitive voltage transformer)in switch yard?

5 Answers  

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what are the colour's and their indications in bucholz relay?

4 Answers  

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why do we connect droop ct{in gensets}in y_phase only

2 Answers  

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why we are grounding the neutral?

1 Answers   GE,

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What type of pipe material G.I or M.S is used for sprinkler system?

2 Answers  

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can u tell the difference between star-star transformer and delta to delta transformer.

3 Answers   Videocon,

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What is the working principle of MIG welding? and its out put Voltage?

0 Answers   L&T,

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why is the power generator connected as star earthed or star earthed through reactance and what its features ?

0 Answers  

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