电力系统及其自动化学报2019，Vol.31Issue(5)：137-142,6.DOI:10.19635/j.cnki.csu-epsa.000048
恒无功功率附加控制对PSS阻尼影响分析
Influence of Supplementary Constant Reactive Power Control on PSS Damping
张俊峰 1陈蔓2
作者信息
- 1. 广东电网有限责任公司电力科学研究院,广州 510080
- 2. 中国电力科学研究院,武汉 430074
- 折叠
摘要
Abstract
At present,the parameter setting of a power system stabilizer(PSS)is completed in excitation system auto?matic mode. When switching to the supplementary constant reactive power control,it is necessary to determine whether the PSS still plays a normal damping role. In this paper,the model of constant reactive power control is extended to the Phillips-Heffron model. Based on the superposition principle,the influences of control parameters(e.g.,proportional P,integral I,and differential D)in the constant reactive power closed-loop control on the space torque vector of PSS are analyzed one by one. The research result shows that integral I and differential D have greater influences on the PSS damping effect,thus there is a risk of overturning the PSS damping polarity. In addition,the correctness of theoretical analysis is proved with the combination of a specific case study.关键词
无功功率附加控制/电力系统稳定器/发电机无补偿特性/空间力矩矢量/低频振荡Key words
supplementary reactive power control/power system stabilizer(PSS)/uncompensated characteristic of gen⁃erator/space torque vector/low-frequency oscillation分类
信息技术与安全科学引用本文复制引用
张俊峰,陈蔓..恒无功功率附加控制对PSS阻尼影响分析[J].电力系统及其自动化学报,2019,31(5):137-142,6.
