What is differential relay? How it operates?

1 Answers  

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why is one voltage transformers (instead of three ) installed at the entrence of the incoming line in a substation.

2 Answers  

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Wind mill

0 Answers   Suzlon,

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Dear all i want to know FEWA Electrical Supervisor Licence test Previous Year Questions ? If any body know please send to me shibin_75@yahoo.com

1 Answers   FEWA,

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What is the type of electrical motor used in mining industries?

2 Answers  

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why the secondary current transformer cannot left open

1 Answers  

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Why donot sleep below the tree for night time?

12 Answers  

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Star & delta kis principale pa hai.

3 Answers   ME,

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What is main cause of cable's terminal point burned in Lug on high temperature although lug and cable selection is ok as per stantard and also tightness is ok as per situation. so please take in deep and tell correct answer thanku.

1 Answers  

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why the earth conductor in top of the tranmission line ?

2 Answers  

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How can you calculate in detail the VA burden of current transformer used for Restricted earth fault protection? Please understand that the CT required here is Class PX or X. Also please show the calculations for knee point vtg, stabilizing resistor, magnetising current.

3 Answers  

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what is meant by real power,active power,reactive power & apprent power ?please explain it?

3 Answers  

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