| 基于级联H桥逆变器的高精度电源综合保护系统设计 |
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| 引用本文： | 居鹏,高格,王林森,左英.基于级联H桥逆变器的高精度电源综合保护系统设计[J].电源学报,2019,17(6):70-76. |
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| 作者姓名： | 居鹏 高格 王林森 左英 |
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| 作者单位： | 中国科学院等离子体物理研究所, 合肥 230031;中国科学技术大学合肥物质研究院, 合肥 230026,中国科学院等离子体物理研究所, 合肥 230031,中国科学院等离子体物理研究所, 合肥 230031,中国科学院等离子体物理研究所, 合肥 230031 |
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| 摘 要： | 大功率逆变电源系统故障的形式多样且后果严重,保护系统的准确性和实时性尤为重要。针对级联H桥逆变系统的结构特点,将其划分为交流输入、直流母线和交流输出3个环节,并对各环节可能出现的故障进行了分析。设计了包含硬件保护和基于DSP软件保护的综合保护系统,应用于ITER传感器稳态测试平台高精度电源中。实验结果验证了该综合保护系统的可行性和有效性。
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| 关 键 词： | 级联H桥逆变器 高精度电源 电源故障 硬件保护系统 软件保护系统 |
| 收稿时间： | 2017/12/27 0:00:00 |
| 修稿时间： | 2018/10/1 0:00:00 |
Design of High-precision Power Supply Integrated Protection System Based on Cascaded H-bridge Inverter |
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| JU Peng,GAO Ge,WANG Linsen and ZUO Ying.Design of High-precision Power Supply Integrated Protection System Based on Cascaded H-bridge Inverter[J].Journal of power supply,2019,17(6):70-76. |
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| Authors: | JU Peng GAO Ge WANG Linsen and ZUO Ying |
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| Affiliation: | Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China;Hefei Institute of Physical Science, University of Science and Technology of China, Hefei 230026, China,Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China,Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China and Institute of Plasma Physics, Chinese Academy of Sciences, Hefei 230031, China |
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| Abstract: | The failures in a high-power inverter power supply system is diverse, which will lead to serious consequences. Therefore, the accuracy and real-time performance of protection system are particularly important. According to its structural characteristics, a cascaded H-bridge inverter system is divided into three links, i.e., AC input, DC bus, and AC output. The possible failures at each link are analyzed, and an integrated protection system including hardware protection and software protection based on DSP is designed, which is further applied to a high-precision power supply for an ITER sensor steady-state test platform. Experimental results verified the feasibility and effectiveness of the integrated protection system. |
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| Keywords: | cascaded H-bridge inverter high-precision power supply power failure hardware protection system software protection system |
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