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基于载波移相并联的直驱风力发电并网变流器控(6)

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基于载波移相并联的直驱风力发电并网变流器控制策略

第21期 杨恩星等: 基于载波移相并联的直驱风力发电并网变流器控制策略 13

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电流环具有较高的等效采样频率和开关频率,有利

于提高系统的带宽和稳定性,环流控制和输出电流控制独立设计有效改善了系统性能。仿真和试验表明提出的方法可很好地抑制低频环流,改善系统动态性能。其中环流控制方法解决了载波移相直接并联系统低频环流问题使系统的模块化和冗余性增强,对于大功率直驱风力发电变流器设计有一定的工程应用价值。

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收稿日期:2008-03-01。 作者简介:

杨恩星(1977—),男,博士研究生,研究方向为电能质量治理、风力发电变流器,hbynx@yeah. net;

仇志凌(1978—),男,博士研究生,研究方向

杨恩星

为电能质量治理、风力发电变流器;

陈国柱(1967—),男,教授,博士生导师,主要研究方向为电能质量治理、风力发电。

(责任编辑 张玉荣)

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