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This paper presents some control methods of the discontinuous conduction mode for the controlling of a cyclo-converter. In this paper, control methods for the cyclo-converter's AC current-loop are introduced and the unique issues of current control with respect to single phase circuit and three phase circuit under the discontinuous conduction mode are analyzed. Base on this, corresponding compensation...
With the primary and a secondary winding ports leading out, a multi-winding transformer with air-gapped core can be regarded as a linear two-port network. Adjust the current relationships between the ports, the input impedance of the primary winding can be a variable reactance; change the short-circuit conditions of other secondary windings, the reactance of primary winding will move in deferent intervals...
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