Answer / rashid abdul rab

This sound is coming due to ionization (breakdown of air
into charged particles) of air around transmission
conductor. This effect is called as Crona effect, and it is
considered as power loss.

Answer / rajkumar

IN HT LINE AROUND OF CABLE IONISED CALLED AS CORONA
EFFECT THEREFORE------

Answer / s t vaidya

yes this is ionised carona effect making sound

How much depth n width required for laying of 1X70 Sqmm Cable in Desert???

0 Answers   Alka Electromech, Aramco,

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what is power factor?

3 Answers  

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If 3-Ph motor of same rating connected in Delta & Star for same load one by one then which connection take more current in running (not in starting)for full load.(eg 8.5 KW,3-Ph 400 V)

1 Answers   GE,

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What is the difference between AVR and Servo Stabliser

3 Answers   Wipro,

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Why we transmit the power at the voltage in the multiple of 11 or 1.1 like 11kv, 22kv, 66kv, 132kv...... some one told me that it is due to fomr factor 1.1 of sine wave. its fine but while transforming we can choose any voltage, so why only multiple of 1.1 there also.......? plz tell me.

7 Answers  

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where HT & LT capacitor uses ?

2 Answers   NTPC,

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What is VCC?

1 Answers  

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can we replace d.c.motor by 3 phase induction motor for a particular application

4 Answers  

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1 HT service how many LT Service

1 Answers  

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What are the two segments of nyquist contour.

0 Answers  

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plz send me the syllabus or any sample paper for engineer trainee recruitment if any,on ravinder911@yahoo.com

0 Answers   Bhel, Maruti Suzuki,

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How one may guess the direction from which the distribution line is incoming if there is no pole plate on poles?

0 Answers  

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