Abstract: Power electronic traction transformers (PETT) are multilevel AC/DC on-board converters, studied for railway applications to replace traditional solution with low frequency transformers. This ...

Abstract: By rapid penetration of renewable energy sources, such as photovoltaic (PV) and wind generation systems, many issues about utilization of these units have emerged. To achieve a sustainable ...

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Typer is a library for building CLI applications that users will love using and developers will love creating. Based on Python type hints. It's also a command line tool to run scripts, automatically ...

4、 弹出保存窗口，为便于查看，选择桌面保存。 5、 选择保存类型中的*.pdf格式。 8、 选中后保存即可。 9、 稍等片刻，去保存处查看即可。 10、 PDF已生成，请打开查阅。