一种有效的电力系统鲁棒稳定性检验方法——(Ⅱ)在PSS设置中的应用

AN EFFECTIVE METHOD OF ROBUST STABILITY TEST FOR POWER SYSTEM——(Ⅱ) THE AppLICATION IN THE DESIGN OF POWER SYSTEM STABILISERS

本文首先探讨了电力系统多变量奈魁斯特(Nyquist)图相角变化率与其反馈模型开环、闭环极点的关系,在此基础上,给出了一种利用文献[1]提出的电力系统鲁棒稳定性判据设置PSS的新方法.

In this paper, the relationship between the rate of change of the phase angle of Nyquist plot and the poles of the elosed loop system is investigated and a nwe method to indentify optimal stabiliser placement and to tune suitable parameters is obtained by means of the robust stability test criterion[1].