The effective role of AVR and PSS in power systems: Frequency response analysis

被引：61
作者：
Dudgeon, Graham J. W. [1 ]
Leithead, William E.
Dysko, Adam
O'Reilly, John
McDonald, James R.
机构：
[1] Univ Strathclyde, Dept Elect & Elect Engn, Inst Energy & Envirom, Glasgow G1 1XW, Lanark, Scotland
[2] Univ Glasgow, Dept Elect & Elect Engn, Glasgow G12 8LT, Lanark, Scotland
[3] MathWorks Inc, Cambridge, MA USA
来源：
IEEE TRANSACTIONS ON POWER SYSTEMS | 2007年 / 22卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
automatic voltage regulators; Bode frequency-response analysis; electromechanical oscillations; power system stabilizers; transient stability;
D O I：
10.1109/TPWRS.2007.908404
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：
Two tradeoffs in the effectiveness of automatic voltage regulators (AVRs) and power system stabilizers (PSSs) are investigated together for the first time. The first is the effect of a high-gain fast response AVR on decreasing power system oscillation stability as well as increasing transient stability, and vice versa. The second is that a PSS can reduce transient stability by overriding the voltage signal to the exciter as well as increasing oscillation stability, and vice versa. In essence, the actions of the AVR and PSS devices are dynamically interlinked. A novel Bode frequency response framework for dynamic analysis of AVR and PSS performance and tradeoffs is presented. Bode frequency response also assists with the determination of suitable generator locations for PSSs and the assessment of robustness under changing power system operating conditions.
引用
收藏
页码：1986 / 1994
页数：9
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