分析了电力系统在周期性负荷扰动下的振荡失稳问题。
The power system instability caused by oscillation under periodical load disturbance was analyzed.
作者研究了在周期性负荷扰动下电力系统安全盆的分形侵蚀，通过数值仿真给出了不同的扰动值对安全盆的侵蚀程度。
The fractal erosion of safe basin in a power system disturbed by a periodical load is studied, and the erosion extent induced by different disturbance values is numerically analyzed.
研究表明波状界面和涡街是由界面处的剪力流速度分布和周期性扰动所造成的。
The results show that the wavy interface and vortex street are caused by the velocity distribution of shear flow and periodic disturbance at the interface.
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