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This paper presents a novel DC-AC inverter based on a high frequency power electronic transformer. It makes use of an adapted push-pull converter on the primary side of the transformer to apply a high frequency alternating voltage. This keeps the transformer flux low and transformer size small, reducing the cost of materials but at the same time keeping the power density high. The secondary side is...
In high-power applications, current-source rectifiers are still popular due to their simple topology, robustness and nearly sinusoidal grid current. They can be also operated with unity or variable power factor. In this way, the rectifier can serve as a power factor compensator. Beside this, they directly control load current which makes them sufficient for direct supply of DC motor. However, the...
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