What's the function of Corona Toroids/ball?

What's the function of Corona Toroids/ball?

Corona is popular at high voltage, medium voltage or ultra high voltage. At these extreme high voltages the physical geometry of the surfaces at high voltage becomes a critical consideration with respects to suppressing the generation of corona. Corona is a luminous, audible discharge that occurs when there is an excessive localized Electrical Field gradient upon an object that causes the ionization and possible electrical breakdown of the air adjacent to this point. Effective corona suppression is a crucial factor to take into account when designing high voltage power supplies. This will do great help to improve the corona situation and make sure the smooth power transmission & distribution.

The large diameter, smooth spherical shapes of corona rings/toroids/balls helps to control the local electrical field, thereby suppressing the generation of corona. As the output voltage increases the diameter of the required corona ring/toroid/ball must also increase to obtain effective corona suppression. Lhotser has foucus on corona suppression many years, and our technologies on electrical field modeling software and partial discharge measurement equipment to assure our power supplies designs provide effective corona suppression, regardless of output voltage.@Lhotser - Corona Toroids.

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