The method performs active power perturbation analysis respectively on the stable equilibrium point of pre-fault system, the trajectory of fault-on system and transient stability of post-fault system.
应用暂态能量函数分析给出了注入空间上的实用动态安全判据，以此来量化暂态稳定性指标，从而实现对事故后系统的有功功率小扰动分析。
Using singular perturbation model, by the example of a simple power system losing stability in big disturbance, this paper analyses the mid-long term instability mechanisms affected by slow dynamics.
采用奇异摄动模型，通过一个简单电力系统在大干扰下发生中长期失稳的实例，分析了慢动态对系统中长期失稳的影响。
The results of simulation show that stability of power system and the controllers possess very high property of robustness for the perturbation in the system parameters.
研究表明，该方法是处理电力系统暂稳控制的有效手段，控制器对系统参数摄动具有良好的鲁棒性。
This paper investigates the orbits of sub-harmonic and chaos in power system under periodic and quasi-periodic perturbation.
研究了电力系统在周期和准周期扰动下的次谐和混沌轨道。
The elastic characteristics of corrugated shells are obtained by using the perturbation and power series method.
采用摄动法和幂级数方法，得到了波纹壳的弹性特征。
Stress intensity factors at the craek tips are computed by complex variable functions and perturbation method and formulas are given in power series forms.
采用复变函数及摄动方法，最后以幂级数形式给出应力强度因子的计算公式。
The shape, width and peak of the power gain spectra of modulation instability will be influenced by the size relationship of the perturbation frequencies of the two waves.
两光波扰动频率的大小关系会影响不稳定增益谱的谱宽、峰值和形状。
The elastic characteristics of circular corrugated plate are obtained by using the perturbation and power series method.
采用摄动法和幂级数方法，得到了波纹图板的弹性特征。
Using perturbation and observation method, a maximum power point tracking controller, the solar-cell can achieve maximum power control in accordance with illumination.
另使用扰动观察法作为最大功率追踪控制器，使太阳能电池达到最大功率控制。
The study of the flow of power-law fluid in a helical pipe with circular section with perturbation method.
采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。
The second order perturbation solution for the flow of power-law fluid in stillness a helical pipe is obtained with curvature and torsion as small parameter.
以曲率和挠率为小参数得到螺旋管道内幂律流体流动的二阶摄动解。
The flow of power-law fluid in a helical pipe with circular section has been studied using perturbation method.
采用摄动方法研究了圆截面螺旋管道内幂律流体的流动。
Classical and quantum oscillators of quartic anharmonicity are solved analytically up to the second power of (weak-coupling constant) by using the multiple-scale perturbation theory.
应用多尺度微扰理论，对于弱耦合常数的六次非简谐振子得到了其运动方程的经典和量子情况下的一阶解。
Given algorithm and simulation using perturbation and observation method to achieve maximum power point tracking of photovoltaic cells by controlling the duty cycle of Boost Circuit.
给出了采用扰动观察法通过控制Boost电路占空比实现光伏电池最大功率跟踪的算法并仿真验证。
Given algorithm and simulation using perturbation and observation method to achieve maximum power point tracking of photovoltaic cells by controlling the duty cycle of Boost Circuit.
给出了采用扰动观察法通过控制Boost电路占空比实现光伏电池最大功率跟踪的算法并仿真验证。
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