why different series of vfds (like allenbradley)are used in industry ?

0 Answers  

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how much up to LT Voltage range?

4 Answers  

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We are using 4 MVA transformer and we provided 2 separate earthing pit for Body and 2 separate earthing pit for neutral, can we connect separate body earthing pit to other earthing pit (Equipment earthing)?

1 Answers  

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Please help me.What are the difference between two wire, 3wire, and 4 wire in electric meter?

3 Answers  

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How would you supply power to a village which is very far from a sub-station and has only a 11k?

4 Answers   Power Grid,

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What is a current transformer?

2 Answers   KEPL,

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what is earth-fault?when it occurs? to check where it occurs what type of test should we do?

0 Answers   ONGC,

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state the functions of different parts of star delta starter.

1 Answers  

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We have one Energy meter for Measuring the voltage,current,power,energy(KWH,KVARH,KVAH) & power factor.The problem is that the meter does not show whether the PF is lagging or leading.So i want to know that is there any way or calculation to find out that whether the PF sign (lagging or leading) depending upon the above mentioned parameters?

4 Answers  

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what are the different types and applications of compressors?

1 Answers  

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In all electric motors, fans are provided to dissipate heat. How it dissipate the heat? By absorbing atmospheric air or by exhausting the heated air generated while running?

2 Answers   Ford,

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Define de-sensitivity?

0 Answers  

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