Answer / k.prakashchandra

Set OCR at 110 % of rated current, ground fault at 10-20 %
of OCR,inst trip at 2 to 6 times the OCR and SC(inst) at 8
times the OCR.

why power generated only 11KV not more than???????? and why power up/down is multification of 11*?=??.??? foe Example 11/33,11/66,66/11KV etc,

8 Answers   Essar,

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What it the purpose of parallel phasing transfomers??

4 Answers   ABB, Reliance,

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what is the function of a circuit breaker ?how does the circuit breaker function during normal operation of an electrical system

2 Answers  

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what do you mean by linear and bilateral network?

2 Answers  

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which of the folowing has negative temperature coefficient of resistance? a. mercury b. copper c. lead d. carbon

2 Answers  

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What determines the thickness of the lamination or stamping?

0 Answers  

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Why the meters sonnected to metering core of CT are not damagedon event of a fault??? Explain the phenomena??

1 Answers   Schneider,

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What is the speed of 3 phase IM(Induction motor) at no load? How will the Motor meet the increased load(Explain through fundamental)?

2 Answers  

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Why the transformers are rated in kva?

11 Answers   Birla, NTPC, Reddy Labs, Vijai Electricals,

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in an industrical wiring, why we are using lighting DB and Power DB separately?

3 Answers  

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What is the name of oil which is used in transformer?

3 Answers  

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how can i use REF and diffrencial relay both in 1 CT core for transformer protection?

0 Answers  

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