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。
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。
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。
A combinational electric system stable machinery GPSS is designed to fight back low frequency oscillation and to improve electric system stability.
为了抑制电力系统因负阻尼而产生的低频振荡，提高电力系统稳定性，设计了一种组合电力系统稳定器gpss。
Synchronizing torque and damping torque are two concepts widely used in dynamic stability studies and especially important to low-frequency oscillation analysis.
同步转矩及阻尼转矩是两个在动态稳定研究中广泛应用的概念，它们对于电力系统低频振荡分析尤为重要。
The technical scheme can effectively inhibit the oscillation frequency of the port and reduce influence on the stability of a communication device and the whole network by port oscillation.
根据本发明提供的技术方案，可以有效抑制端口的震荡频率，并减小端口震荡对通信设备及整个网络稳定性的影响。
Analysis of dynamic simulation shows that this optimal excitation system can increase the system damping, improving stability, with good low-frequency oscillation suppression and robustness.
动态仿真分析表明，设计出的最优励磁系统能够有效地增加系统的阻尼，提高系统的稳定性，且能够很好地抑制系统的低频振荡，并具有较好的鲁棒性。
Analysis of dynamic simulation shows that this optimal excitation system can increase the system damping, improving stability, with good low-frequency oscillation suppression and robustness.
动态仿真分析表明，设计出的最优励磁系统能够有效地增加系统的阻尼，提高系统的稳定性，且能够很好地抑制系统的低频振荡，并具有较好的鲁棒性。
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