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.
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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