use of PIR in ehv breaker

0 Answers  

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Why cpaciter opposes sudden changes in voltage?and how?

1 Answers  

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how a.c. genarator control power factor when its conected to grid supply by incrising or decresing excitation voltage.

1 Answers  

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Please explain the following and how these are working with PLC unit 1.I/O Module 2.I/O Device 3.Adaptor Card 4.Ribbon Adaptor 5.RS 485-FC

0 Answers   Shree Mayur Engineering,

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Dsitrubution transformer minimum IR value

1 Answers  

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what is the relation between knowing of the distance between power transformer and the capacitor feeder in case of parallel operation

0 Answers  

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The potential difference between a phase and neutral is 230v , but the potential difference between two phases is 400v. why?

4 Answers   HCL,

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circuit breaker work alone during fault condition or need any relays ?

4 Answers  

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How to test and satisfy the conditions of the vector group YNd1 for power transformer?

1 Answers   Areva,

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i) in which cases should we go for neutral and where should we go for ground? ii) in domestic supply we are getting 230v a.c.and what is the amount of current?

2 Answers  

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am commissioning the trafo without connecting the neutral therefore unbalance will occur what is the alternative solution for this?

0 Answers   L&T,

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Explain what is CBCT.

1 Answers  

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