Explain with example of functional requirements of protection relay in terms reliability, selectivity, sensitivity

0 Answers   NCC,

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Could explain briefly of over excitation in transformer.

2 Answers   NCC,

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What is the Derating factor of power cables when exposed to direct sunlight in (both PVC & XLPE).

1 Answers  

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How we can differniate the overhead lines feeded by hydro power stations & thermal power stations

1 Answers  

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will aqatic animal die if we ground the wire of three phase instead of grounding to earth

2 Answers  

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how can calculate 1kva generator running time in 1 liter keroscene

0 Answers   Kirloskar,

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On what factors the generating voltage depends ? Generating voltage are (3.3kV, 6.6KV , 11KV, 13.8kV) Why so ?

5 Answers   Bhel,

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sir, what is the importance of Fault MVA. how to calculate fault mva of 33kv substation connected by 6.5 km line(single circuit with equal spacing) with 110/11kv transformer in 110kv susbstation.the fault mva on 11 kv bus in 110kv susbstation is 208mva.

0 Answers  

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CT Ratio of a energy meter connection is Red Phase : 100/5A, yello Phase : 50/5A & Blue phase : 100/5 A what is the overall Multiplication factor

0 Answers  

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how many types control panel of a 132/33 kv substation

0 Answers   Alstom,

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25 kva load,

1 Answers   Voltas,

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why ht motor connection in star

10 Answers   Suzlon,

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