| 基于电压电流双环解耦电压型逆变器控制的研究 |
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| 引用本文： | 庄岩,刘承志,陈勇,曹景雷,罗瑞鑫. 基于电压电流双环解耦电压型逆变器控制的研究[J]. 电气开关, 2011, 49(4): 15-17,20 |
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| 作者姓名： | 庄岩 刘承志 陈勇 曹景雷 罗瑞鑫 |
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| 作者单位： | 西南交通大学电气工程学院,四川 成都,610031 |
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| 摘 要： | 分析了三相SPWM电压型逆变器在三相静止坐标系下和两相同步旋转坐标系下的数学模型.采用了基于电压和电流的双环控制策略,针对d-q坐标下的耦合关系,提出解耦策略,并利用PI调节器提高系统的动态响应特性及跟随能力,并运用Matlab/Simulink对理论分析结论进行验证.在容性和感性负载下的验证结果表明,适当选择控制环节...
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| 关 键 词： | 电压外环 电流内环 解耦 耦合 |
Research on Voltage Inverter Control Based on Voltage Current Double Loop Decoupling |
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| ZUANG Yan,LIU Cheng-zhi,CHEN Yong,CAO Jing-lei,LUO Rui-xing. Research on Voltage Inverter Control Based on Voltage Current Double Loop Decoupling[J]. Electric Switchgear, 2011, 49(4): 15-17,20 |
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| Authors: | ZUANG Yan LIU Cheng-zhi CHEN Yong CAO Jing-lei LUO Rui-xing |
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| Affiliation: | ZUANG Yan,LIU Cheng-zhi,CHEN Yong,CAO Jing-lei,LUO Rui-xing (School of Electrical Engineering,Southwest Jiaotong University,Chengdu 610031,China) |
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| Abstract: | The mathematical model of a three-phase SPWM voltage inverter under three-phase rest fame and two-phase rotational frames in synchronism is analyzed.The double-loop control strategy based on voltage current is adopted.For the coupling relation of d-q coordinate,the decoupling strategy is proposed.Use PI controller to improve dynamic response characteristics of the system and apply Matlab/Simulink to verify the theoretical analysis conclusion.The verified results of capacitive and inductive loads show that t... |
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| Keywords: | voltage outer loop current inner loop decoupling coupling |
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