Stability analysis of an adaptive torque controller for variable speed wind turbines

2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601) Pub Date : 2004-12-01 DOI:10.1109/CDC.2004.1429392

K. Johnson, L. Pao, M. Balas, V. Kulkarni, L. Fingersh

引用次数: 45

Abstract

Variable speed wind turbines are designed to follow wind speed variations in low winds in order to maximize aerodynamic efficiency. Unfortunately, uncertainty in the aerodynamic parameters may lead to sub-optimal power capture in variable speed turbines. Adaptive generator torque control is one method of eliminating this sub-optimality; however, before adaptive control can become widely used in the wind industry, it must be proven to be safe. This paper analyzes the stability of an adaptive torque control law and the gain adaptation law in use on the Controls Advanced Research Turbine (CART) at the National Renewable Energy Laboratory's National Wind Technology Center.

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变速风力发电机自适应转矩控制器稳定性分析

变速风力涡轮机的设计遵循风速变化在低风，以最大限度地提高空气动力效率。不幸的是，气动参数的不确定性可能导致变速涡轮的次优功率捕获。自适应发电机转矩控制是消除这种次优性的一种方法;然而，在自适应控制在风能行业得到广泛应用之前，必须证明它是安全的。本文分析了国家可再生能源实验室国家风能技术中心的先进研究型风力发电机组(CART)所采用的自适应转矩控制律和增益自适应律的稳定性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2004 43rd IEEE Conference on Decision and Control (CDC) (IEEE Cat. No.04CH37601)

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