Tag Archives: Corona

Tesla Coil Rectification

Tesla coil rectification with sparks across the capacitor

Tesla coils produce high frequency AC which is passed through a diode and capacitor to produce DC. This Tesla coil rectification is a difficult task as very high voltage diodes capable of running at several hundred kHz are not easy to come by.
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Lifter – Museum Display

Lifter for a Museum. This high voltage lifter was developed for a public display. It has custom argon tubes for the upright high voltage wire supports. In addition it has small neon indicator globes at the corners of the lifter itself. Very impressive at night. Not really a high flier however due to the reduced voltage available after the argons plus the added weight of the small neon tubes which were later removed.
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Ionic Spinners – Briefcase Tesla Coil

Briefcase Tesla coil with neon lights attached to ionic spinner

This is a long exposure of an ionic spinner with green and blue “neon” fluoro pilot lights rotating on my mini Tesla coil. It  shows the corona which is the purple ring of air ionised by high voltage that drives it.
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