HOW TO DO GRID EARTHING IN INDUSTRIES FOR A PRODUCTION BUILDING

3 Answers   Timken,

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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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what is the function of a Master trip relay? why is it used ?

5 Answers   ABB, Nissi Engineering Solution,

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How to select the rating of a CT used for REF protection. The rating can be of equal rating of Phase current or neutral current rating

2 Answers   UltraTech,

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Difference between ups

32 Answers   Emerson, Tata Power,

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what is the breakdown voltage value in BDV test in transformers?

6 Answers   Siva, TATA,

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How to covert the ac to dc and how to control the dc output?

3 Answers   ABB,

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how to calculate the voltage drop in electrical cable while laying cables?

2 Answers  

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IF 8255 CONTROL WORD IS 94H,Tell the chip port work mode ?

0 Answers  

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what is the working principle/operation/theory of 3-phase rectifier power transformer used in cold rolling mills.

1 Answers   TATA,

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Full form of bdv test?

2 Answers   Hi Tech Transpower,

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What is the cut-off rate?

0 Answers  

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