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Series active filter for voltage harmonic suppression and 50 Hz voltage boosting

机译:用于电压谐波抑制和50 Hz电压升压的系列有源滤波器

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A method is proposed in this paper for designing a series active harmonic filter which can eliminate voltage harmonic present in the busbar voltage by producing of a PWM controlled harmonic voltage. According to this method the active filter produces PWM voltage that cancels completely the existing harmonic voltage due to any harmonic voltage source up to any order. The proposed method is valid for any distorted busbar voltage. The percentage of each harmonic in the distorted voltage has been found by sampling the distorted voltage. According to harmonic order in the distorted voltage, the firing angle of the active filter can be defined by the PWM control in order to eliminate completely the harmonics up to the desired order. The algorithm of calculation is general and valid for suppress any voltage harmonic source generating voltage harmonics. Also, the series active filter is used in this study to boost the 50 Hz voltage.
机译:本文提出了一种方法,用于设计一个串联主动谐波滤波器,其可以通过产生PWM控制的谐波电压来消除汇流条电压中存在的电压谐波。 根据该方法,有源滤波器产生PWM电压,由于任何谐波电压源而直到任何顺序,都可以完全取消现有的谐波电压。 所提出的方法对于任何扭曲的母线电压是有效的。 通过采样扭曲的电压发现了扭曲电压中的每个谐波的百分比。 根据扭曲的电压谐波顺序,可以由PWM控制定义有源滤波器的发射角,以便将谐波完全消除到所需的顺序。 计算算法是通用的并且有效地抑制任何电压谐波源电压谐波。 此外,该研究中使用串联有源滤波器来提高50 Hz电压。

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