A single-phase current source converter with variable voltage and constant frequency is presented. The converter is a single bridge circuit of two legs and has a smoothing reactor in the dc side. The power source and the load are connected in series and they are connected to the bridge legs. The normal PWM method with the sinusoidal modulating and the triangular carrier waves is employed for the converter. The experimental results confirm that the PWM converter has the sinusoidal voltage and current in both the source and the load.
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