Xiayun Feng

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Grid harmonic interactions among multiple Flyback micro-inverters have been studied. The method of small-signal modeling and time-domain analysis based on transformer current equation are adopted to obtain the Norton model of Flyback micro-inverters with current feedback control in CCM mode and with quasi-resonant peak current control in BCM mode;(More)
  • Lijun Zhang, Fei Wang, Hui Guo, Xiayun Feng, Yan Du, Jianhui Su
  • IECON 2017 - 43rd Annual Conference of the IEEE…
  • 2017
Virtual synchronous generator (VSG) has attracted wide attention since it can emulate the operating mechanism of a synchronous generator and make a distributed generation friendly connect to a utility grid. In this paper, the perturbation influences of parameters on the active power and frequency for a single-phase VSG are studied. Firstly, the small signal(More)
  • Xinyi Shu, Fei Wang, Lintao Ren, Xiayun Feng, Guoqing Xu
  • IECON 2017 - 43rd Annual Conference of the IEEE…
  • 2017
A unified control structure of a capacitor voltage — inductor current double closed-loop is modified to fulfill the function of the single-phase inverter to not only be capable of operating in both grid-connected mode and stand-alone mode but also can support the DC bus when the front-end DG units fails to supply enough energy. The system(More)
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