why are the likely reasons for bochholz & pressure relays oprate due to a internal fault but not differential relay ?

2 Answers  

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1.why are not using acb 33kv ht side? is there any problem 2.what is difference between acb,vcb,sf6 breackers? 3.what is the function of invertor and convertor in ups?

0 Answers   L&T,

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What is the formula of frequency ?

0 Answers  

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if sf6 gas low in gis what will happen

0 Answers  

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How to calculate the size of the conductor for particular load

9 Answers   Eskom, HCL,

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How many types of timer ?which timer are used star delta feeder

1 Answers   BMM Ispat,

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wat is the criteria we use the diff. relay ?

2 Answers  

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What is a signal flow graph?

0 Answers  

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is it possible to run the any motor when winding grounded? how?

1 Answers  

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If one ct is reversely connected in Y system what will effect in kwh and kvarh meter?

1 Answers  

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What is the Maximum Power generation capacity of a Synchronus Machine ??

0 Answers   ETA, NTPC,

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what is the difference between single ratio, multiple core and multiple ratio, multiple core ? please explain.

0 Answers   NTPC,

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