Neural control for voltage dips ride-through of oscillating water column-based wave energy converter equipped with doubly-fed induction generator

被引：35

作者：

Alberdi, Mikel ^{[1
]}

Amundarain, Modesto ^{[1
]}

Garrido, Aitor ^{[1
]}

Garrido, Izaskun ^{[1
]}

机构：

[1] Univ Basque Country, Dept Automat Control & Syst Engn, Bilbao 48012, Spain

来源：

RENEWABLE ENERGY | 2012年 / 48卷

关键词：

Neural control; Doubly-fed induction generator; Low voltage ride through; Active crowbar; Wave energy; Wells turbine; WELLS TURBINE; PERFORMANCE; INTEGRATION; SIMULATION; SYSTEMS;

D O I：

10.1016/j.renene.2012.04.014

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The increasing penetration of renewable distributed power generation systems within electricity markets has given rise to new technical requirements. One of the most demanded skills is a fault-ride-through capability during voltage drops in the transmission system. This paper investigated the application of a neural control scheme to achieve the uninterrupted operation of oscillating water column-based wave energy converter equipped with doubly-fed induction generator during balanced grid faults. It is proposed an innovative solution consisting of a control scheme that suitably coordinates the air flow control, the active crowbar and the variable frequency converter, fulfilling the Spanish Grid Code. Besides, the variety of cases presented due to different sea states (amplitude and frequency) and characteristics of the grid fault (voltage drop and fault period), makes it necessary to adequately modify the references used by the controllers in order to achieve the desired fault-ride-through capability. In this sense, it has been implemented a neural control that adapts the controller references according to the pressure drop and voltage reduction, improving the controllability of the active and reactive power and the fault-ride-through capability during voltage drops. (C) 2012 Elsevier Ltd. All rights reserved.

引用

页码：16 / 26

页数：11

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