| 三相电压型逆变器的空间矢量脉宽调制技术 |
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| 引用本文： | 严玲玲,胡翰文,徐璞.三相电压型逆变器的空间矢量脉宽调制技术[J].低压电器,2012(12):21-25. |
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| 作者姓名： | 严玲玲 胡翰文 徐璞 |
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| 作者单位： | 1. 三峡大学电气与新能源学院,湖北宜昌,443002
2. 云南电网公司德宏供电局,云南芒市,678400 |
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| 摘 要： | 针对传统正弦脉宽调制(SPWM)技术的不足,介绍了空间矢量脉宽调制(SVPWM)技术在三相电压型逆变器中的应用。建立了三相PWM逆变器的数学模型,对SVPWM技术的基本原理进行了分析,在两相静止坐标系下对具体的控制算法进行了推导。在Matlab/Simulink环境下,建立了SVPWM驱动的三相电压型逆变器模型。利用Simulink动态仿真工具实现对SVPWM控制算法的仿真。仿真结果表明,设计方法可行,仿真模型正确。
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| 关 键 词： | 空间矢量脉宽调制 电压型逆变器 扇区 Matlab/Simulink |
Technology of Space Vector Pulse Width Modulation for Three-Phase Voltage Inverter |
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| YAN Lingling
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HU Hanwen
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XU Pu.Technology of Space Vector Pulse Width Modulation for Three-Phase Voltage Inverter[J].Low Voltage Apparatus,2012(12):21-25. |
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| Authors: | YAN Lingling HU Hanwen XU Pu |
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| Affiliation: | 1. School of Electrical Engineering and Renewable Energy, China Three Gorges University, Yichang 443002, China; 2. Dehong Power Supply Bureau, Yunnan Power Grid Corporation, Mangshi 678400, China) |
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| Abstract: | Aiming at the shortage of the traditional sinusoidal pulse width modulation （SPWM） technology, the application of space vector pulse width modulation （ SVPWM ） control method for three-phase voltage inverter was introduced. A mathematical model of three-phase PWM inverter was established, the basic principles of SVPWM algorithm were researched, and then, the specific control algorithm was deduced under two-phase static coordinate system. A three-phase voltage source inverter model with SVPWM driving was built with Matlab/ Simulink, the control algorithm was simulated dynamically by using Simulink dynamic simulation tool. The simulation results show the method is feasible and the simulation model is correct. |
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| Keywords: | space vector pulse width modulation （SVPWM） voltage source inverter sector Maflab/Simulink |
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