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This paper presents the design and performance of a versatile three phase oscillator. The oscillator is built using digital circuits. It provides five distinct output waveforms: sine, triangle, square, trapezoidal and symmetrically clipped sine waves. Independent signals control output frequency, amplitude and phase sequence. The oscillator has been built and successfully used in a cycloconverter powering a linear synchronous motor.
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Clarke et al. (1977) studied this question.
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