A pulsed load model and its impact on a synchronous-rectifier system

作者：Hou, Pengfei; Xu, Ye^*; Li, Jianke; Wang, Jinquan; Zhang, Haitao; Yan, Jun; Wang, Chunming; Chen, Jingjing

来源：International Journal of Electronics, 2017, 104(2): 343-354.

DOI：10.1080/00207217.2016.1216179

• Pulsed load
• microgrid
• transient characteristics
• synchronous-rectifier
• frequency analysis

The pulsed load has become a developing trend of power loading. Unlike traditional loads, pulsed loads with current abrupt and repeated charges will result in unstable Microgrid operations because of their small capacity and inertia. In this paper, an Average Magnitude Sum AMSF) is proposed to calculate the frequency of the grid, and based on AMSF, the Relative Deviation Rate (RDR) that characterises the impact of pulsed load on the AC side of the grid is defined and its calculation process is described in detail. In addition, the system dynamic characteristics under a pulsed load are analysed using an Insulated Gate Bipolar Transistor (IGBT) to control the on/off state of the resistive load for simulating a pulsed load. Finally, the transient characteristics of a synchronous-rectifier system with a pulsed load are studied and validated experimentally.

• 出版日期2017-2
• 单位中国人民解放军陆军工程大学