| 基于极点配置的三相电压型逆变器控制策略研究 |
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| 引用本文： | 罗军,姚蜀军,宋杨呈祥,李京. 基于极点配置的三相电压型逆变器控制策略研究[J]. 通信电源技术, 2014, 0(4): 15-18 |
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| 作者姓名： | 罗军 姚蜀军 宋杨呈祥 李京 |
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| 作者单位： | 华北电力大学电气与电子工程学院,北京102206 |
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| 摘 要： | 针对三相电压型逆变器采用电压环PI控制存在的不足,应用含电流环的双环控制,提出了应用极点配置法设计系统参数的方法。通过建立同步旋转坐标系下三相电压型逆变器的数学模型,得出传递函数,并进行极点配置来设计双环控制系统参数,在PSCAD/EMTDC中仿真验证。结果表明该控制方案和参数设计方法动态响应速度快,在非线性负载情况下具有较好的控制特性。
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| 关 键 词： | 逆变器 电流环 极点配置 非线性负载 |
Research on Three Phase Voltage Source Inverter Control Scheme Based on Pole Assignment |
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| LUO Jun,YAO Shu-jun,SONG Yang-chengxiang,LI Jing. Research on Three Phase Voltage Source Inverter Control Scheme Based on Pole Assignment[J]. Telecom Power Technologies, 2014, 0(4): 15-18 |
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| Authors: | LUO Jun YAO Shu-jun SONG Yang-chengxiang LI Jing |
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| Affiliation: | , (Department of Electric and Electronics Engineering, North China Electric Power University, Beijing 102206, China) |
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| Abstract: | Due to the deficiency of voltage loop PI control for three phase voltage source inverter,dual loop control scheme with current loop is applied,the method of pole assignment is proposed to design the parameters of control system. By establishing the mathematical model in the synchronous rotating coordinate system,the transfer function is derived,pole assignment method is used to design the parameters,and the control scheme is simulated in PSCAD /EMTDC. The results show the proposed control scheme and parameter design method could achieve fast dynamic response and preferable control characteristics even with nonlinear loads. |
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| Keywords: | inverter current loop pole assignment nonlinear load |
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