Again the audible discharge which is commonly identified as a hissing sound becomes escalated with high output voltage. In this process, ozone, which is an unstable and odorous kind of oxygen gets generated. The ozone destroys the rubber and nitric acid can get formed in the presence of enough moisture and these items leave damaging impacts on materials and that include electrical insulators. Students who are aware of our fact find it appropriate to contact our writers for buying online homework help with Corona assignment which is unmatched quality.
Get Known to Corona Effect
In numerous high voltage applications, corona turns into an undesired side effect. It discharges from a high-voltage electric power transmission line that establishes a cautiously noteworthy wastage of energy for efficacies. In the high voltage equipment, such as radio transmitters, Cathode Ray Tube TVs, particle accelerators, and X-ray machines, the present leakage that is caused by corona can establish an undesired load.
In the air, the job of coronas is generating gases, such as nitric oxide and ozone which results in nitrogen dioxide and so, nitric acid in the presence of water vapor. These gases tend to be corrosive and they can degrade the close-by materials. They can also turn toxic to the environment along with the humans.
Most often, corona discharges are suppressed by corona rings, augmented insulation and generating high voltage electrodes. Nonetheless, the controlled corona discharges remain useful in various processes, like photocopiers, ozone generators, and air filtration.
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Factors that Affect Corona
Some factors that affect the corona are as follows:
Impact of supply voltage – When the supply voltage tends to be high, then corona loss too tends to be higher. In a low-voltage transmission line, the corona becomes negligible because of the inadequate electric field for maintaining ionization.
The conductor surface condition – When the conductor is smooth, then the electric field will turn out to be more uniform compared to the uneven surface. The conductor’s roughness is the result of deposition of dust, dirt, and scratching and so, a rough line lessens the loss of corona in a transmission line.
Air density issue – The loss of corona is inversely related to air density factor, so, with the increase of corona loss, there is a decrease in the density of air. A transmission line that passes via a hilly region might suffer from a higher loss of corona compared to a similar transmission line as in a hilly region, the air suffers from a low density.
Impact of system voltage – The intensity of the electric field in the space all across the conductors is dependent on the alteration between the conductors. When the potential difference tends to be high, then the intensity of the electric field too becomes high and so, the corona becomes high too.
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