| 逆变电源PI双环数字控制技术研究 |
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| 引用本文： | 舒为亮,张昌盛,段善旭,康勇.逆变电源PI双环数字控制技术研究[J].电工电能新技术,2005,24(2):52-54,59. |
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| 作者姓名： | 舒为亮 张昌盛 段善旭 康勇 |
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| 作者单位： | 华中科技大学电气与电子工程学院,湖北,武汉,430074;华中科技大学电气与电子工程学院,湖北,武汉,430074;华中科技大学电气与电子工程学院,湖北,武汉,430074;华中科技大学电气与电子工程学院,湖北,武汉,430074 |
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| 摘 要： | 本文分析了正弦波逆变电源实际应用情况和数字控制的特点,提出了一种带输出电流前馈的PI双环(输出电压外环滤波电感电流内环)数字化控制方案,利用极点配置的方法设计控制系统参数,并根据实际系统模型设计了输出电压和电感电流的状态观测器,最后给出了各种实验条件下的实验波形.实验结果表明,该方案设计简单、实用,能很好地达到逆变电源输出的各项性能指标要求.
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| 关 键 词： | 双环控制 全数字控制 极点配置 状态观测器 限流 |
| 文章编号： | 1003-3076(2005)02-0052-03 |
Research on PI dual-loop digital control technology for inverter supply |
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| SHU Wei-liang,ZHANG Chang-sheng,DUAN Shan-xu,KANG Yong.Research on PI dual-loop digital control technology for inverter supply[J].Advanced Technology of Electrical Engineering and Energy,2005,24(2):52-54,59. |
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| Authors: | SHU Wei-liang ZHANG Chang-sheng DUAN Shan-xu KANG Yong |
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| Abstract: | In this paper, the character of digital control and the actual working condition of inverter supply was analyzed and a digital control scheme of PI dual-loop with feed-forward of output current was presented. The parameters of control system were designed by the method of pole configuration, and the state observer was designed from the model of the single-phase half bridge inverter. The fully digital control scheme was realized by the means of DSP (TMS320LF2407A). At last, the experimental waveforms were presented. The experimental results demonstrated that the process of this scheme was easy and the system could achieve good dynamic and static performances. |
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| Keywords: | dual-loop control digital control pole configuration state-observer current limitation |
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