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)

i need to now what will be the cable size to the following load, transformer to distribution panel distance 110m, load 1000kw, voltage 400v, pf 0.85, permissible voltage drop 2.0%, overhead line, atmospheric temperature 35 degree c.

0 Answers   Bay Fishing Corporation,

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in dc machines in the armature nature of power is ac but why we take rasistance instead of impedance?

1 Answers  

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Distinguish between neutral earthing and equipment earthing?

7 Answers  

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where to use CT and PT?

4 Answers   CEB, Reliance,

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Can you tell me more about pu systems (per unit systems )calculation in large power systems? how to get the base for voltage and power in generator, transformator and transmission lines?

0 Answers  

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Dear Sir/Madam, I have one questions we have three steam turbines and one Gas turbine and our industry linked with the public network, we have protection system one of the protection is reverse power we can export just four MW only i would like to ask about how to calculate the reverse power. Thank you in advance best regards

0 Answers  

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Why is the earth fault relay connected to the Yellow Phase?

4 Answers  

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Can you explain the phase displacement between primary and secondary of power transformer of any vector group(for ex)?

1 Answers  

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how maney type tempereture measurement ?

0 Answers   TATA, Tata Motors,

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

2 Answers  

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Why two main buses and one transfer bus scheme not using for 400kV switchyard

5 Answers  

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Why is it not possible to operate a star-delta transformer in parallel with delta-delta transformer?

1 Answers  

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