Abstract
The use of a matrix converter for contactless energy transmission in the power range of several kilowatts reduces the number of energy conversion steps, avoids electrolytic DC link capacitor on the primary side, reduces losses in power semiconductors and enables sinusoidal line currents and a four- quadrant operation. In his application as a feeding converter a high output frequency is required (greater than 100 kHz). The transferable electric power and the efficiency of contactless magnetic systems can considerably be improved. Because of the high output frequency, high-performance signal processing elements are needed. To get a constant d.c. output voltage the matrix converter offers new concepts for regulating variables. The paper describes special aspects of new control and regulating techniques of the three phase matrix converter in combination with contactless energy transmission.
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