Applications of modeling UPFC into multi-machine power systems

被引：71

作者：

Wang, HF ^{[1
]}

机构：

[1] Univ Bath, Dept Elect & Elect Engn, Bath BA2 7AY, Avon, England

来源：

IEE PROCEEDINGS-GENERATION TRANSMISSION AND DISTRIBUTION | 1999年 / 146卷 / 03期

关键词：

D O I：

10.1049/ip-gtd:19990170

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The paper establishes a non-linear dynamic model of a multi-machine power system with a unified power now controller (UPFC) installed. The linearised Phillips-Heffron model of the system is then derived and used to study oscillation stability. To demonstrate the applications of the models developed in the paper, a case study of a three-machine power system to be installed with a UPFC is presented. The impact of various UPFC control functions upon the power system oscillation stability is investigated based on the linearised model with confirmation by simulation from the non-linear dynamic model. It is found that the basic control function within the UPFC, the voltage control of the DC link capacitor, interacts negatively with PSS. Results of counteracting the negative interaction by the readjustment of PSS or the introduction of a damping function into the UPFC itself to regain a satisfactory damping of power system oscillations are given in the paper.

引用

页码：306 / 312

页数：7

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