| PWM变频器电流波形失真的分析及补偿 |
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| 引用本文： | 张涛,孟庆春. PWM变频器电流波形失真的分析及补偿[J]. 辽宁工程技术大学学报(自然科学版), 1997, 0(6) |
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| 作者姓名： | 张涛 孟庆春 |
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| 作者单位： | 辽宁工程技术大学电气工程系 |
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| 摘 要： | 以KVFS系列变频器为例,在概述该变频器主要控制电路的基础上,分析了该变频器电注解波形严重失真的原因.指出了PWM模式与电流波形间的关系.针对目前采用的PWM控制方法所存在的缺陷.提出相应的补偿方法.
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| 关 键 词： | 变频器 脉宽调制 选择谐波 |
Analysis of the Current Waveform Distortion and its Correction for PWM Inverters |
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| Zhang Tao Meng Qingchun. Analysis of the Current Waveform Distortion and its Correction for PWM Inverters[J]. Journal of Liaoning Technical University (Natural Science Edition), 1997, 0(6) |
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| Authors: | Zhang Tao Meng Qingchun |
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| Abstract: | In this paper,the inverters of KVFS series have been taken as examples to state the main control circuit of the series inverters.On the basis of it this paper analyzes the causes of serious current wave distortion in the KVFS inverters.This paper presents the close relationship between the PWM pattern and the current wave.In view of existing PWM control pattern which is usually used for the present this paper proposes the correction method accordingly. |
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| Keywords: | inverter pulse width modulation(PWM) selected harmonic |
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