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Corona effect --
Most of us have seen violet glow across power transmission line specially high voltage and EHV line .
What is it ? How it occurred ? Reason behind this glow ? Such questions is in ur mind so here we go ,this video gives u ans of ur questions .

The violet glow across line specially EHV line is due to CORONA EFFECT , so what it is , when high voltage transfer through conductor this cause increase in voltage gradient across conductor , conductor sourrounded by air increase in gradient break air dielectric strength and cause flow electron surrounding conductor which often seen like violet glow .

So watch full video for advantage and Disadvantage and way to reduce corona effect .
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