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.

why excitor coil of an alternator can fail

3 Answers  

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To avoid arcing what we connect in earthing.

4 Answers   HAL,

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How to calculate the load loss and no load losses of the power Transformer? i am having the following details : full load ct : in AMP HV :1676 ; LV:31.5 1800 KVA ;33KV/620 V for wind mill applications

2 Answers   ReasonSoft,

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although ckt breakers have taken the place of old fuse. But instead of it , these older ones are still used in the industries and homes ? why .... what are their advantages and disadvantages ? which one is leading and winning the race and competition ?

0 Answers  

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Distinguish between neutral earthing and equipment earthing?

7 Answers  

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WHAT IS THE HIGHEST UNDERGROUND TRANSMISSION VOLTAGE IN THE WORLD?

3 Answers   Power Grid,

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we often use the word HT (high tension) line.or we say HT switch gear, whats does HT basically mean. is it different from high voltage.

2 Answers  

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wath is this mining of bts

1 Answers   Nokia, TATA,

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what is ATS & RING MAIN UNIT in Distribution System?And its Function.

2 Answers  

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How can calculate rotor temperature of the alternator? and is there any method to calculate that

1 Answers  

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megger generates D.C. voltage while earth tester generates A.C.voltage is it true? I know for megger it is D.C generator but what about earth tester?

4 Answers   IOCL,

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two way ckt diagram can be drawn by how many ways? give diagram

0 Answers  

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