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A new single-stage power factor correction (SSPFC) converter is proposed for the adapter application, which is composed of a flyback converter, a feedback winding and a front-end input current shaper. Through the feedback winding, a direct energy transfer path is configured to improve the conversion efficiency and alleviate the voltage stress across the bulk capacitor. Moreover, the feedback winding...
A new single-stage power factor correction (SSPFC) converter is proposed for the adapter application, which is composed of a flyback converter and a front-end input current shaper. Low conduction losses are achieved with only two diode conduction drops in the primary side. The conversion efficiency is improved with a direct energy transfer path, which is provided by the feedback wingding. Equations...
Converters built with integrated modules have many advantages such as increased power density, flexible distributed control, multi-functionality, increased reliability and short design cycles. However, the system performance will be affected due to the synchronization errors among each integrated modules. This paper analyzes the impact of the two kinds of synchronization errors on the whole system...
Inductively coupled power transfer (ICPT) technology has been applied to various applications recently, where power is transferred through transformer with a large air gap. Usually resonant converter topology is a good choice for ICPT, in which both primary and secondary are compensated to achieve high efficiency. The steady-state analysis of a current source parallel compensated ICPT converter is...
This paper gives the equivalent circuit model of aluminum electrolytic capacitor, and analyzes the main degradation mechanism, based on which the life model and degradation parameter of aluminum electrolytic capacitor is discussed in detail. To realize online fault diagnosis of aluminum electrolytic capacitor in power electronic converters, a parameter identification method to identify the equivalent...
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