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Even more experiments with my German AC mains voltage regulator from 1965. The input is 220V 50Hz +10 / 20%, the output is +/ 1% accurate 160V / 200V / 220V 50Hz, 300VA continuously, 350VA peak. I do some oscilloscope measurements of the waveforms and I try to reduce the harmonic distortion of the output voltage. I also explain various versions of ferroresonant voltage regulators. I talk about the isolated and non-isolated versions, compensated and neutralized versions and also about its single core version - a constant voltage transformer (CVT).
The previous episode:
• Ferroresonant AC mains...
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