An advanced cascade controller for series-connected VSC for voltage dip mitigation

被引：12

作者：

Bongiorno, Massimo ^{[1
]}

Svensson, Jan ^{[2
]}

Sannino, Ambra ^{[3
]}

机构：

[1] Chalmers Univ Technol, Dept Energy & Environm, Div Elect Power Engn, SE-41296 Gothenburg, Sweden

[2] ABB Power Technol, SE-72182 Vasteras, Sweden

[3] ABB Corporate Res, Power Technol, SE-72178 Vasteras, Sweden

来源：

IEEE TRANSACTIONS ON INDUSTRY APPLICATIONS | 2008年 / 44卷 / 01期

关键词：

cascade controller; dynamic sag compensators; power quality; vector current controller (VCC); voltage-source converter;

D O I：

10.1109/TIA.2007.912723

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Power electronic converters connected in series with the grid can provide protection of sensitive processes against voltage dips. In this paper, an advanced cascade controller for series-connected voltage-source converter (VSC), constituted by an outer voltage loop and an inner current loop, is presented. Positive and negative sequence components of voltage and current are controlled separately to achieve perfect compensation of unbalanced dips. Limitation of the VSC output voltage and compensation of the computational time delay are included in the current controller for both sequence components. Experimental results for the series-connected VSC with the proposed cascade controller. under balanced and unbalanced voltage dips are presented.

引用

页码：187 / 195

页数：9

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