COORDINATION OF MULTIPLE ADAPTIVE PSS UNITS USING A DECENTRALIZED CONTROL SCHEME

被引:16
作者
TRUDNOWSKI, DJ [1 ]
PIERRE, DA [1 ]
SMITH, JR [1 ]
ADAPA, R [1 ]
机构
[1] ELECT POWER RES INST,PALO ALTO,CA 94303
关键词
ADAPTIVE CONTROL; DECENTRALIZED CONTROL; POWER SYSTEM STABILIZERS (PSS);
D O I
10.1109/59.141717
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
This paper presents a method of coordinating multiple adaptive PSS units in a power system. The method is based on a decentralized adaptive control scheme. Self-tuning adaptive controllers are used as PSS units on given generators. The generators that tend to strongly dynamically interact are coordinated by communicating the controlled inputs between them. The communicated information is used in such a way that the controllers are not dependent on one another and are robust to any communication failures. Simulation results that compare noncoordinated controllers with coordinated ones are presented for a 17 machine system. Two different system operating points are tested. It is shown that better system damping is obtained if the adaptive PSS units on the strongly coupled generators are coordinated.
引用
收藏
页码:294 / 300
页数:7
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