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Controller-Based Periodic Disturbance Mitigation Techniques for Three-Phase Two-Level Voltage-Source Converters
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DOI：10.1109/TII.2021.3059704.png)
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Abstract
En 中文
In order to mitigate the periodic disturbances in voltage-source converter (VSC)-based applications, different techniques have been comprehensively investigated to mitigate these periodic disturbances, either using additional disturbance-mitigation controller or by means of modifying the modulation stage. As well as providing an in-depth analysis of various periodic disturbances in VSC-based applications, this article presents an overview of the controller-based periodic disturbance mitigation techniques. And these techniques, different in concept, can be categorized into two types, i.e., the internal-model-based methods and the feedforward-based methods. The controller prototypes and their variants are comprehensively introduced with motivations and distinct features. The characteristics of different strategies and the corresponding implementation methods are compared and summarized. And the practical issues such as computational burden and frequency adaptability are simultaneously included as well to present a comprehensive illustration. In addition, the characteristics of different strategies are compared and summarized with the aim of providing a clear illustration.
Keywords:
Torque
Harmonic analysis
Power conversion
Converters
Voltage measurement
Current measurement
Forging
Feedforward controller
iterative learning controller (ILC)
observer-based controller
periodic disturbance
repetitive controller (RC)
resonant controller (RSC)
voltage-source converter (VSC)
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