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A variable-structure stabilizer for wind turbine generators

机译：风力发电机的可变结构稳定器

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摘要

A variable-structure stabilizer for improving the dynamic stability of a wind turbine generator supplying an infinite bus through a transmission line under widely varying loading conditions is presented. A state space formulation of the linearized system model is developed and used in the design of the stabilizer. The inputs to the stabilizer are restricted to accessible states which renders its implementation practical. Digital simulation of the dynamic responses following pseudo-typical wind gusts for a conventional power system stabilizer and the proposed variable-structure stabilizer are included for comparative purposes. Whereas a conventional stabilizer design is based only on a particular operating point and its performance at other operating points is of necessity a compromise, it is shown that the main feature of the variable-structure stabilizer is its ability to maintain improved dynamic performance as operating conditions change.
机译：提出了一种可变结构的稳定器，用于提高在变化很大的负载条件下通过传输线为无限母线供电的风力涡轮发电机的动态稳定性。开发了线性化系统模型的状态空间公式，并将其用于稳定器的设计。稳定器的输入被限制在可访问状态，这使其实现变得可行。为了进行比较，还包括了常规电力系统稳定器和拟议的变结构稳定器的伪典型阵风后的动态响应的数字仿真。传统的稳定器设计仅基于特定的工作点，而在其他工作点上的性能则必须折衷，这表明，可变结构稳定器的主要特征是在工作条件下能够保持改善的动态性能更改。

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