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초록· 키워드

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A single active capacitor snubber-assisted soft-switching sinewave pulse modulation utility-interactive power conditioner with a three-winding flyback high frequency transformer link and a bidirectional active power switch in its secondary side has been proposed With the aid of the switched-capacitor quasi-resonant snubber cell, the high frequency switching devices in the primary side of the proposed DC-to-AC sinewave power inverter can be turned-off with ZVS commutation. In addition to this, the proposed power conditioner in the DCM can effectively take the advantages of ZCS turn-on commutation. Its output port is connected directly to the utility AC power source grid At the end, the prototype of the proposed HF-UPC is built and tested in experiment. Its power conversion conditioning and processing circuit with a high frequency flyback transformer link is verified and the output sinewave current is qualified in accordance with the power quality guidelines of the utility AC interactive power systems.

목차

Abstract
1. Introduction
2. High Frequency Flyback Transformer Linked Utility Connected Power Conditioner
3. Switched Capacitor Soft Switching High Frequency Linked Power Conditioner
4. Experimental Results and Their Evaluation
5. Conclusion
References
Biography

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UCI(KEPA) : I410-ECN-0101-2009-565-014918702