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首页> 外文期刊>International journal of systems,control and communications >A novel self-tuning PI controller for a DFIG-based wind turbine system
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A novel self-tuning PI controller for a DFIG-based wind turbine system

机译：基于DFIG的风力涡轮机系统的新型自调节PI控制器

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摘要

This article presents a novel self-tuning proportional integral (ST-PI) controller for a grid connected wind turbine based on doubly-fed induction generator (DFIG) to regulate the active and reactive power under variable wind speed conditions. The gains of the controller are dynamically adjusted according to the error variation during transient conditions to damp the system oscillations faster with better settling time and lesser overshoot. They are designed to vary continuously according to the error based on tanh function logic within a pre-determined range. The proposed self-tuning controller is able to circumvent the problems usually associated during application of conventional PI controller with constant gain such as robustness, adaptability and wide range of operation. Simulation analysis and comparative studies with conventional PI controller reveal the efficacy of the proposed control scheme. Simulation is done for the system model to test the proposed approach using MATLAB.
机译：本文提出了一种新颖的自校正比例积分（ST-PI）控制器，用于基于双馈感应发电机（DFIG）的并网风力发电机，以调节风速可变条件下的有功和无功功率。控制器的增益根据瞬态条件下的误差变化而动态调整，以更快地衰减系统振荡，并具有更好的建立时间和更少的过冲。它们被设计为在预定范围内根据tanh函数逻辑根据误差连续变化。所提出的自整定控制器能够以恒定的增益克服常规PI控制器在应用过程中通常遇到的问题，例如鲁棒性，适应性和广泛的操作范围。通过常规PI控制器进行的仿真分析和比较研究揭示了所提出控制方案的有效性。通过使用MATLAB对系统模型进行仿真，以测试所提出的方法。

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