| 基于无效器件原理的逆变器死区补偿方法 |
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| 引用本文： | 张永锋,李红梅,赵振.基于无效器件原理的逆变器死区补偿方法[J].安徽科技学院学报,2008,22(1):40-43. |
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| 作者姓名： | 张永锋 李红梅 赵振 |
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| 作者单位： | 合肥工业大学,电气与自动化工程学院,安徽,合肥,230009;安徽科技学院,理学院,安徽,凤阳,233100;合肥工业大学,电气与自动化工程学院,安徽,合肥,230009 |
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| 基金项目： | 国家自然科学基金资助项目(5057713)，安徽省教育厅重点资助项目(KJ2007A062) |
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| 摘 要： | PWM逆变器死区的存在对异步电动机变频调速系统的动态、静态性能及稳定性均产生了许多负面影响。针对DSP控制的电压源型PWM逆变器,文中提出一种基于无效器件原理的死区补偿方法,利用DSP检测定子电流,通过软件编程只给有效器件送驱动信号,达到补偿的目的,具有外接电路简单,成本低,易于实现等特点,数字仿真结果证实了其补偿效果。
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| 关 键 词： | DSP 电压源型逆变器 无效器件原理 死区补偿 |
| 文章编号： | 1673-8772(2008)01-0040-04 |
| 修稿时间： | 2007年10月26 |
Dead-time Compensation for Voltage Source Inverter Based on Invalid Apparatus Principle |
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| ZHANG Yong-feng,LI Hong-mei,ZHAO Zhen.Dead-time Compensation for Voltage Source Inverter Based on Invalid Apparatus Principle[J].Journal of Anhui Science and Technology University,2008,22(1):40-43. |
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| Authors: | ZHANG Yong-feng LI Hong-mei ZHAO Zhen |
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| Abstract: | Dead-time of PWM inverter has some negative influences on performance character and stability in the asynchronous machine controlled by variable voltage frequency(VVF) system.Based on invalid apparatus principle,a method is proposed and applied to a DSP controlled voltage source inverter(VSI) for dead-time compensation.The proposed method only presents driving signals for valid apparatus by detecting stator current and programming with DSP in order to compensate the dead-time.It possesses the merits such as low cost,simple circuit and easy realization,and simulation results verify its validity. |
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| Keywords: | DSP VSI Invalid Apparatus Principle Dead-Time Compensation |
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