二区域四机的仿真结果证明施加这种控制策略的电力系统稳定器抑制振荡能力更强，进入稳态时间更短。
Simulation results in two-area four-machine proves that power system stabilizer under this strategy has stronger capacity of checking shocks and becomes stable more quickly.
现有电力系统稳定控制模式可分为以下三类模式：集中控制模式、区域控制模式以及就地控制模式。
Stability control mode of power system can be divided into three sorts: centralized control mode; regional control mode and local control mode.
本文通过对某钢铁企业南变电力系统的稳定性分析，给出了低频减载和区域安全稳定控制两种方案。
Through analysis of the stability of NanBian power supply system in a steel enterprise, under-frequency load-shedding plans and regional security and stability control plans are adopted in this paper.
它运用初等灾变理论中分岔的概念找出决定电力系统稳定的控制参数的分岔值，从而确定了系统的稳定区域，由稳定区域即可进行系统的稳定判断。
It applied bifurcation approach of elementary catastrophe theory to find out control parameters' bifurcation values, which decide stability of power systems, further, stability region can be obtained.
它运用初等灾变理论中分岔的概念找出决定电力系统稳定的控制参数的分岔值，从而确定了系统的稳定区域，由稳定区域即可进行系统的稳定判断。
It applied bifurcation approach of elementary catastrophe theory to find out control parameters' bifurcation values, which decide stability of power systems, further, stability region can be obtained.
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