Wednesday, March 08, 2006

Failure of H.V. pulse control

Like before, we failed to control the high voltage output. When I turned on the H.V., even without the modulating pulse (it means no firing angle signle applied to SCRF-1), we could measure the high current through the transformer primary. So I disconnect the primary of big transformer and connected them to a step down (40:1) small transformer. Then we measured the wave form from the secondary. We always saw the wave form (see the picture) which could not be adjusted.

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