Answer / ahmadnahla

if you mean in the overhead power lines : 

it will take much more cost to use insulated cables

Answer / wukwai

It is unnecessary to insulate the cables because they are suspended in air and are supported by ceramic insulators at the supporting poles or structures.

Has someone here done a sizing for a generator (3 phase), its for a pumping station. If you have an example for standby/duty and both running (I) star delta (ii) Soft Starter.

0 Answers  

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if only one generator is running in droop mode parrallel with grid and suddenly grid breaker off what will happen? It will trip o/u freq or stay as it is? (urgent)

10 Answers  

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Are Refrigerators & Deep Freezers the Inductive load ? How to calculate the Power Factor & hence the Output Power for them ?

0 Answers  

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What the formula for calculating no.of earthings & size of earth strip for 100mX90m shop.

0 Answers  

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why is that a 4*4mm cable,is always powdered internally

3 Answers   Construction, L&T,

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WHAT IS THE COOLANTS IN TRANSFORMER?

7 Answers   Bhel,

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The series field winding has low resistance while the shunt field winding has high resistance. Why?

0 Answers  

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how harmonics are generated due to nonlinear load & how harmonic filters work?

1 Answers  

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what is th basic difference between a d latch time line and a d flip flop time line???

0 Answers  

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if we put a energy meter in 500 kvar capacitor bank ,then how much units show in energy meter per day.

2 Answers  

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what is disadvantages of high power factor

4 Answers  

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hai every bodi please let me know the test procedure for lightning arresters.

2 Answers  

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