Answer / pkv

in transformer both side LA is installed because LA is the
for the lightening due to external system ligtining strokes
and overvolteges surge and it can be come from HV or LV
over head line and switching operation

difference between earthing and grounding?

2 Answers   ABB, Bharti, L&T,

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why we use tapechanger in primary side of transformer

5 Answers   Bhel, L&T,

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Which motor has more efficiency ;Synchoronous or Induction motor ?

4 Answers   TATA,

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What kinds of decision are made about CT from it's Knee point(voltage & current)?

2 Answers  

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A system absorbs 100 k J of heat and the increase in its internal energy is 100 kJ; the work done is

0 Answers   Caterpillar,

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What is ill conditioned power system?

1 Answers  

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How to reverse the direction of a DC motor ? By reversing the Armature wires or by reversing the field wires

2 Answers   KFC,

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What is the Difference between Power Swing and Out of Step?

1 Answers  

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Classical power system stability was mainly focussed on rotor angle stability but modern power system stability has more focus on voltage stability.Why?

4 Answers  

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What is Difference Between Induction Motor & Servo Motor

31 Answers   Jindal, Kirloskar, KTTM, Star Technocrates, Toyota,

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define bilateral network and unilateral network? give an example.

3 Answers   ABB,

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why earth hole size is biggest in plug point?

13 Answers   RRB,

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