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Full-Text Articles in Science and Technology Studies
An Amorphous Alloy Core Medium Frequency Magnetic-Link For Medium Voltage Photovoltaic Inverters, Md Rabiul Islam, Youguang Guo, Zhi Wei Lin, Jianguo Zhu
An Amorphous Alloy Core Medium Frequency Magnetic-Link For Medium Voltage Photovoltaic Inverters, Md Rabiul Islam, Youguang Guo, Zhi Wei Lin, Jianguo Zhu
Faculty of Engineering and Information Sciences - Papers: Part B
The advanced magnetic materials with high saturation flux density and low specific core loss have led to the development of an efficient, compact, and lightweight multiple-input multiple-output medium frequency magnetic-link. It offers a new route to eliminate some critical limitations of recently proposed medium voltage photovoltaic inverters. In this paper, a medium frequency magnetic-link is developed with Metglas amorphous alloy 2605S3A. The common magnetic-link generates isolated and balanced multiple DC supplies for all of the H-bridge inverter cells of the medium voltage inverter. The design and implementation of the prototype, test platform, and the experimental test results are analyzed and …
A Medium Frequency Transformer With Multiple Secondary Windings For Medium Voltage Converter Based Wind Turbine Power Generating Systems, Md Rabiul Islam, Youguang Guo, Jianguo Zhu
A Medium Frequency Transformer With Multiple Secondary Windings For Medium Voltage Converter Based Wind Turbine Power Generating Systems, Md Rabiul Islam, Youguang Guo, Jianguo Zhu
Faculty of Engineering and Information Sciences - Papers: Part B
Recent advances in magnetic materials have led to the development of compact and light weight, medium and high frequency transformers, which would be a possible solution to reducing the size and weight of wind turbine power generating systems. This paper presents the overall design and analysis of a Metglas amorphous alloy 2605SA1 based medium frequency transformer to generate the isolated balanced multiple DC supplies for medium voltage converter systems. A comprehensive electromagnetic analysis is conducted on the proposed design based on experimental results. The test stand, data analysis, and test results are discussed.