Answer / k.prakashchandra

This may be due to line earth fault . Disable generator instant trip due to earth fault and use only time delay of 200 - 500 ms

Which machine u will prefer to use at where flameble gases are comming out & why?

1 Answers   NTPC,

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12.5 KVAR capacitor 440V gas filled, Its used for windmill purpose, How can i know about microfarad value for this capacitor

2 Answers  

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We have received supplies of the ordered material. payments against the supplies also released. Where ST paid 4% against form C. Meanwhile it has been observed that 25% of material supplied was defective. Please suggest whether the issuance of C form from our side would be stopped till settlement of liabilities.

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What is type of transformers?

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3) How earthing is done? How it measured? Write the method for earthing? How the earth resistance is kept low?

1 Answers   Innovative Energy,

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improve power factor by : 1)shunt reactor 2)shunt capacitor 3)series capacitor 4)series reactor

2 Answers  

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Is there any reason that we get shock on touching phase wire because the earth is at neutral potential? Is there any reason that the earth is at neutral potential because the neutral is earthed in apower station

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why ct is testing using dc.. y cant we use AC insted of dc on POLARITY TEST.

6 Answers  

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the inertia constants of two machines are respectively 30and 42 MJ per MVA.when the change in frequency due to change in load in first machine is 12 Hz,the change in second machine frequency will be?

1 Answers  

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define the power factor in one word

12 Answers  

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WHY CBCT USE ONLY IN Y PHASE NOT OTHER PHASES

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why d.c motor speed decress with increass in load?

1 Answers  

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