Ultra high voltage generator

Posted on Dec 9, 2012

By repetitively charging and discharging a capacitor through the primary of an induction coil with a high voltage, an ultra high emf is induced in the secondary. Switching is performed by the triac, triggered by the disc at times set by Cl and Rl. With a 12 V car ignition coil for example, the length of sparkgap obtained is 12 mm of air for C2 = 0.1 µ¥. If the dielectric strength of air is assumed to be 3 kV/mm, this spark-gap length corresponds to 36 kV.

Ultra high voltage generator
Click here to download the full size of the above Circuit.

The curve shown in Fig. B, care must be taken in keeping the value of C2 below 1 /iF as the coil is liable to be seriously damaged at this value of C2. Power consumption is only about one watt.

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