difference between local breaker backup relay or backup protection relay ?

1 Answers  

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why farmers are use earthing instead of neutral for their light conec. at field.is it safe

2 Answers   Honeywell,

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which metal is use in shunt

4 Answers  

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What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)

0 Answers  

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what is the role of frequency in electrical system

2 Answers   Hindalco,

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WHEN TWO ALTERNATORS ARE OPERATING IN PARALLEL, EXPLAIN WHY IT IS OBJECTIONABLE TO OPERATE ONE AT A LEADING POWER FACTOR AND ONE AT THE Lagging power factor?

1 Answers  

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What is diffrence bitween electrical and electronics ?

4 Answers  

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what is the thumb rule for determination resistance of resistor?

0 Answers   Siemens,

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Q-1 what are the structural and operational difference between a distribution and a power transformer? Q-2 what is skew in motors? Q-3 draw equivalent circuit of transformer Q-4 explain with phasors how pf is improved with loading in induction motors Q-5 DIFFERENT METHODS OF CABLE LAYING(interviewer asked if i heard new chemical based earthing system next) Q-6 pi model of medium length trans line Q-7 v/f control?why Q-8 vacuum circuit breaker operates in?

1 Answers   Vijai Electricals,

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ELECTRICAL DRIVES: can a motor load system with passive load torque can have equilibrium speed in second quadrant

0 Answers  

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On a 3 winding transformer YNynd11, how do you apply REF protection to the Delta tertiary winding that is supplying auxiliaries to a substation?

0 Answers   Kwekwe Polytechnic,

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In single core cable, Why non-magnetic material is used??

1 Answers  

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