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

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3 Answers  

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how electronic energy meter works?

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In a star-star connected h.t transformer why we use NGR on the secondary (l.t)side.

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what is difference between delta-delta,delta-star transformers ???

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What is the electrical difference between Earthing Switch (ES) and Maintenance Earthing Switch (MES)?

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If we says that current is flow only when there is closed path & neutral work as a return path for the same. Then how circuit is closed in three phase as no neutral available ??

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what is rocking arrangement in arc heating

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a battery is having capacity 100AH and 25% charging .if a load taking 10A & connected 6 hour .what is the final condition of the battery.

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will the power consumption remains the same when speed of the fan cnanges??if so y??

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1]how the voltages and frequency are achieved on ships. 2]how does the line and phase voltages are related on ships.

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