Coordinated control of generator excitation and STATCOM for angle stability and voltage regulation enhancement

被引：0
|
作者：
Cong, L. [1 ]
Wang, Y. [1 ]
机构：
[1] Sch. of EEE, Nanyang Technol. Univ., Nanyang Avenue 639798, Singapore, Singapore
来源：
Dianli Xitong Zidonghua/Automation of Electric Power Systems | 2002年 / 26卷 / SUPPL.期
关键词：
Computer simulation - Control equipment - Electric excitation - Electric generators - Electric power generation - Feedback control - Linearization - Mathematical models - Robustness (control systems) - System stability - Voltage control;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
The coordinated control of STATCOM and generator excitation is investigated to achieve both the transient stability and the voltage regulation enhancement of power systems. Firstly, the nonlinear model of STATCOM installed in a power system is introduced. Then, by direct feedback linearization (DFL) technique, the nonlinearities of the generator and the STATCOM model are alleviated. With the help of robust control theory, the variation of system structure, the parameter uncertainties and the interconnection between generator and STATCOM are taken into consideration in the controller design. Only local measurements are required for the proposed controller. The simulation results gotten from a single-machine infinite-bus (SMIB) system show the proposed scheme is capable of improving the system transient stability and voltage regulation over a wide range of operating conditions.
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页码：22 / 27
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