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Abstract

The paper presents a conception of power electronics voltage controlled current source (VCCS) which is able much more precise mapping of its an output current in a reference signal, compared to a typical converter solution. It can be achieved by means of such interconnection of two separate converters that one of them corrects a total output current towards a reference signal. An output power of auxiliary converter is much smaller than an output power of main one. Thanks to continuous work of this converter also pulse modulation components in this current are minimized. These benefits are paid for by a relatively small increase in the complexity and the cost of the system. This conception of a converter has been called the double-converter topology (DCT). In the author opinion presented solution of the system can find application in many power electronics equipment and, therefore, will be developed. In the paper DCT basics, simulation experiments, and possible practical arrangement of the DCT are presented.
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