Model-based digital generator control unit for a variable frequency synchronous generator with brushless exciter

被引：33

作者：

Rosado, Sebastian ^{[1
]}

Ma, Xiangfei ^{[2
]}

Francis, Gerald ^{[1
]}

Wang, Fei ^{[1
]}

Boroyevich, Dushan ^{[1
]}

机构：

[1] Virginia Tech, CPES, Dept Elect & Comp Engn, Blacksburg, VA 24061 USA

[2] Qualcomm Inc, San Diego, CA 92121 USA

来源：

IEEE TRANSACTIONS ON ENERGY CONVERSION | 2008年 / 23卷 / 01期

基金：

美国国家科学基金会;

关键词：

digital control; modeling; synchronous generator excitation; voltage control;

D O I：

10.1109/TEC.2006.888040

中图分类号：

TE [石油、天然气工业]; TK [能源与动力工程];

学科分类号：

0807 ; 0820 ;

摘要：

This paper presents the design and implementation of a digital signal processor (DSP)-based generator control unit (GCU) for a variable frequency synchronous generator with brushless exciter. A novel model-based control algorithm is proposed to better account for the wide operating frequency range and various load conditions. In addition to the model-based inner-loop exciter field current regulator and outer-loop generator voltage regulator, the control algorithm also adopts a generator-model-based d-axis current feed-forward loop to compensate for the load disturbance. Simulation and test results show a considerable performance improvement for the new controller when compared to the existing controllers, including better dynamics, better damping stability margin, and more uniform response over the operating range.

引用

页码：42 / 52

页数：11

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