what is meant by transformer differential protection ?

3 Answers   BFL,

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Please let me know when replacing electromechanical Relays for protection of generators with sr489 multilin Relay, then there is no need to use 86 master trip relay Too. I am wondering this multilin relay has no contact to Stop breaker reclosing as 86 does

1 Answers   Neucel,

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Difference between directional over current and non directional over current ?

2 Answers  

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why lightning arrestor are made by 2 stack of insulator but why cvt are fully 1 stack of insulator.

1 Answers  

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Why frequency fix in 50 Hz?

6 Answers  

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Why the resistance grounding (NGR) is better than Solid grounding?

5 Answers  

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why d.c produces corrosion

0 Answers  

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What is VFD, and how its work

5 Answers  

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SUPPOSE A CIRCUIT BREAKER HAS TRIPPED THE THE LINE WHEN A FAULT OCCUR ON IT.NOW WHEN THE FAULT HAS BEEN CLEARED, HOW THE CIRCUIT BREAKER WILL CLOSE AUTOMATICALLY NOT MANUALLY.

6 Answers   Bureau of Energy Efficiency, DVC,

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Why the Petrol Guns in the Petrol bunk are earthed?

3 Answers   ITC Infotech,

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How do i carry out or know the vector group of a Dyn1 and Dyn5 transformer

0 Answers  

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How to calculate incomer of a capacitor bank/feeder from its KVAR, AND how to calculate the copper busbar for rated incomer,like for 400A we calculate the 40x10 of aluminum busbar.

1 Answers  

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