Small signal stability becomes one of the important factors influencing transmission capacity because low frequency oscillation in power systems is always caused by small interference.

小的干扰能够引发电力系统发生低频机电振荡，因此小干扰稳定是限制电力传输容量的主要因素之一。

youdao

Low frequency oscillation is harmful to power system security and stability, and as one of solutions power system stabilizer (PSS) can effectively restrain such a phenomena.

低频振荡是一种不利于电力系统安全和稳定运行的现象，而电力系统稳定器(PSS)可以有效抑制低频振荡。

youdao

A new type of extended small signal stability region (E-SSSR) is presented so that it can consider the low frequency oscillation phenomena captured in power system operations.

引入一种新的扩展小扰动稳定域的概念，以弥补原有小扰动稳定域无法考虑电力系统(超)低频振荡的不足。

youdao