| 无交流电压传感器PWM整流器启动性能改善 |
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| 引用本文： | 吕观顺,李春静.无交流电压传感器PWM整流器启动性能改善[J].电力电子技术,2008,42(9). |
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| 作者姓名： | 吕观顺 李春静 |
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| 作者单位： | 黑龙江科技学院,黑龙江,哈尔滨,150027 |
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| 基金项目： | 黑龙江科技学院校科研和教改项目 |
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| 摘 要： | 提出一种基于虚拟磁链的PWM整流器无交流电压传感器运行启动性能的改善方法.通过采用带有积分限幅反馈环节的积分器代替不定积分器进行虚拟磁链观测,解决了传统方法存在的初始值选取和观测结果存在幅值和相位误差等问题.对基于改进方法的虚拟磁链直接功率控制PWM整流器进行了实验验证,实验结果证明了该改进方法的正确性和可行性.
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| 关 键 词： | 整流器 电压传感器 积分器 |
Improved of Starting Performance for AC Voltage Sensorless PWM Rectifier |
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| L Guan-shun,LI Chun-jing.Improved of Starting Performance for AC Voltage Sensorless PWM Rectifier[J].Power Electronics,2008,42(9). |
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| Authors: | L Guan-shun LI Chun-jing |
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| Affiliation: | L(U) Guan-shun,LI Chun-jing |
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| Abstract: | A starting performance improved method for AC voltage sensorless PWM rectifier based on virtual flux-linkage is proposed.Through substituting the pure integrator by the integrator with saturable amplitude limited feedback loop to observe the virtual flux-linkage,the problems of the initial value selecting,the amplitude and phasor error generated in observation result with conventional method are solved.The experimental results prove the validity and feasibility of the proposed improved observation method. |
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| Keywords: | rectifier voltage sensorless integrator |
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