what are the factors to be considered while design the breaker either HT or LT??

0 Answers  

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A single line diagram(SLD) and a purchase order of a 11/66kV switchyard of a power plant was given. In the SLD, only one lightning arrestor(LA) was shown, but the purchase order had need of 3 LAs. Is this correct, if yes, why?

2 Answers  

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A d.c. Shunt motor is found suitable to drive fans because they require?

0 Answers  

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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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What is the difference between resistance grounding system and resistance earthing system?

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what is humming noise and wha is the reason to develop humming noise in a mv pannel ?

2 Answers   HPL,

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TYPE'S OF BREKAR ,WHAT IS TRANSFORMAR & SAFTY. STARTER DOL & STAR DELTA STARTER.

0 Answers   Amtek,

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how to calculate current carring capacity of cable and cable selection? 1) copper flexible cable 2) copper armoured cable 3) Aluminium cable

0 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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why odd hormonics only will effect the power system.why not even hormonics

1 Answers  

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Why the transformers are rated in KVA. ? in new view.

2 Answers  

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what is a pilot wiring and whys that called a pilot wiers

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