Nonlinear Decoupled Control of Back-to-back Voltage Source Converter

被引：3

作者：

Yan Gan-gui ^{[1
]}

Jiang Gui-qiang ^{[1
]}

Mu Gang ^{[1
]}

Li Jun-hui ^{[1
]}

Chen Tao ^{[1
]}

Huang Ya-feng ^{[1
]}

Wang Jian ^{[1
]}

机构：

[1] NE Dianli Univ, Jilin 132012, Peoples R China

来源：

2008 IEEE ASIA PACIFIC CONFERENCE ON CIRCUITS AND SYSTEMS (APCCAS 2008), VOLS 1-4 | 2008年

关键词：

D O I：

10.1109/APCCAS.2008.4746002

中图分类号：

TP3 [计算技术、计算机技术];

学科分类号：

0812 ;

摘要：

A dynamic model of back-to-back voltage source converter under synchronous rotating d-q coordinate system is developed. The system is transformed to a new equivalent nonlinear system which consists of a linear decoupled subsystem and a nonlinear subsystem characterizing the dynamics of the dc-link voltage in terms of the state variables in the linear subsystem via the feedback linearization technique. Then a decoupled controller which consists of an outer loop for determination of d- and q-axis components of reference currents and an inner loop for tracking the reference currents is designed for active and reactive power exchange control between the VSC and the two ac systems. The validity of the proposed controller is demonstrated by the simulation results under electromagnetic software PSCAD/EMTDC and experimental results on a 30kVA/380V prototype system, respectively.

引用

页码：229 / 232

页数：4

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