Answer / jagan

Impedance relay is non-directional relay.
Only admittance relay is inherntly directional

Answer / k.prakashchandra

It is directional ,having both separate forward and reverse reaches

how to calculate maximum current

0 Answers   Almeer Technical Services,

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why do we use 3 single phase instead of one 3 phase?? though vee connection is its advantage but what is the hidden reason behind it??

2 Answers  

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Why semi-conducting insulation is used in XLPE cables?

1 Answers  

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why we step down voltage level from 33kv to 11kv and 11kv to 415v.Instead we can step down voltage from 33kv to 415v directly using single transformer?

3 Answers  

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electrical engineering giving priority for insulators rather than conductors, why ?

5 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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We operate a 10 Mw facility and we have been experiencing several trips due to fluctuations on the MVAR? We have checked all issues related to the AVR and we have found all OK? Can anyone help us? The grid voltage, internal voltage, all regular parameters look ok. MVAR fluctuate and there it goes the unit? What could be happening? Thanks!

5 Answers  

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How a synchronous generator practically work? what is the function of avr(automatic voltage regulator)in synchronous generator?how the connection of avr to the generator made practically?please give me the answer.

6 Answers   Accenture, Heineken,

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in basic 2 phase will short means tripping the power but spot welding 2 phase shorting but not tripping it will welded why.....(Q)

0 Answers  

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What is difference between Harmonic and Non harmonic Capacitor Bank?

0 Answers   TATA,

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why rms value of voltage is fed to transformer

1 Answers   Bhel,

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Sir, I need a power supply at 380V. The supply I get in three phase is rated 415V. The total supply I have from the supply company is 70KW. Kindly inform if it is better to use a voltage stabiliser for this purpose or a transformer

3 Answers  

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