Compatible Decentralized Control of AVR and PSS for Improving Power System Stability

被引：8
|
作者：
Liu, Hui [1 ]
Su, Jinshuo [1 ]
Yang, Yude [1 ]
Qin, Zhijun [1 ]
Li, Canbing [2 ]
机构：
[1] Guangxi Univ, Sch Elect Engn, Nanning 530004, Peoples R China
[2] Shanghai Jiao Tong Univ, Sch Elect Informat & Elect Engn, Shanghai 200240, Peoples R China
来源：
IEEE SYSTEMS JOURNAL | 2021年 / 15卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Power system stability; Generators; Voltage measurement; Power system dynamics; Power measurement; Voltage control; Phasor measurement units; Automatic voltage regulator (AVR); compatible decentralized control (CDC); power system stabilizer (PSS); synchronous phasor measurement unit (PMU); AUTOMATIC VOLTAGE REGULATOR; DESIGN;
D O I：
10.1109/JSYST.2020.3001429
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Automatic voltage regulator (AVR) and power system stabilizer (PSS) as the most common excitation controllers have implemented incompatible decentralized control (IDC) due to the asynchronous sampling by the voltage/current transformer. However, IDC results in the incompatibility of decentralized AVR and PSS in regulating generator dynamics, which seriously reduces the capability of AVR and PSS in improving the power system stability. In this article, the concept of compatible decentralized control (CDC) based on synchronous local measurements is first proposed for the decentralized AVR and PSS to improve the power system stability. The mathematical models on IDC and CDC are, respectively, modeled to represent the compatible characteristics of CDC. The distinguishing feature of the proposed CDC is that the decentralized AVR and PSS can be compatible with one another in regulating generator dynamics. Simulation results on four IEEE benchmark systems show the advantages of CDC in improving power system stability compared with IDC.
引用
收藏
页码：2410 / 2419
页数：10
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