Answer / k.prakashchandra

This may be due to line earth fault . Disable generator instant trip due to earth fault and use only time delay of 200 - 500 ms

why we decide alternating wave form in ac system and not in dc system

2 Answers   GMR,

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Why is it that variation allowed in supply voltage to motors is (+ or -)10 %, whereas that in frequency is (+ or - )5 %

3 Answers  

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want to know about DMRC

4 Answers  

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a solar energy installation utilizes a three phase bridge converter to feed energy into power system through a transformer of 400v/400v.the energy is collected in a bank of 400v battery and is connected to converter through a large filter choke of resistance 10ohms.1.the maximum current through the battrey will be.2.the kva rating of the input transformer is.

1 Answers   GATE,

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why transmiision rating in kva?

4 Answers  

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At the starting of dc motor and syn.motor and induction motor high current flowing through the winding. Due to this the windings burnt out. To avoid this different types of starters are used. But incase of transformer what Will be used (At starting no emf is induced in the primary winding)?

0 Answers  

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Why all voltage level are multiples of 11, like 220V, 440V, 1100V instead of 200V, 400V, 1000V?

9 Answers   Indian School of Mines,

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kVA rating of open delta connected transformer is _____% kVA rating of delta/delta connection A 50 B 70.7 C 57.7 D 75.7

2 Answers  

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How to arrange a hous hold earthing system to keep minimum earth resistance( below 7ohms).

0 Answers  

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why does connected a indutor with mnsformeretering core of current transformer ?

0 Answers  

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i have done diploma and btech in EE and live in Chandigarh so kindly help me how can i make my competency certificate in my area.

0 Answers   Multi Metals, ONGC,

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Why voltge arev transformed in to 132KV/66/KV/33KV like that

5 Answers   HAL,

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