In the Lorentz invariant coupling model of the interaction between nucleon N(antinucleon) and neutral meson π~0,the authors thoroughly analyze the moment regularization of N-loop propagator in the moment renormalization,and find that traditional minus-dividing can be substituted by the matrix function expanding.
采用核子N(反核子N-)与中性介子π0相互作用的Lorentz不变耦合模型,对N-N-圈图传播子在“动量重整化方案”中的“动量正规化”作了深入细致的分析与考证,发现可以采用“矩阵函数展开法”来替代通常采用的“传统减除法”,并由此对N-N-圈图传播子函数中的“发散量”与“有限量”作了十分简捷有效的分离,获得了“重整化有限量”的一个具有“明确计算含义”的表达式。
Since the conditional small disturbance method can not analyze the behavior,the normal form of vector field and the singularly perturbation theory were used to analyze the non-linear interaction within the power system to understand the dynamic characteristics with consideration of influences of network structure and load characteristics.
应用向量场正规形方法和奇异摄动理论,计及网络结构和负荷特性的影响,通过分析电力系统内部模式间的非线性相关作用来认识和理解系统的动态特性,深化了线性化分析中的特征分析理论,为分析强非线性下系统的稳定性及非线性动态特性提供了一条新的有效途径。
In order to determine the influence of different load buses on voltage stability,the power system power flow equations are analyzed by using the theory of normal forms of vector fields.
为研究不同负荷节点对电压稳定性所具有的不同影响程度,首先应用向量场正规形理论分析电力系统潮流方程,提出了以节点电压非线性参与因子作为依据衡量负荷节点影响电压稳定性的程度的方法。
With theory of normal forms of vector fields, a novel method to solve this problem is proposed.
该文提出一种采用向量场正规形理论,以非线性参与因子为依据,确定SVC安装位置的新方法。
The authors propose a method to analyze such system by the theory of normal forms of vector fields to the system singularly perturbed differential equation (SPDE).
随着现代电力系统的日益复杂和非线性程度的增加,电力系统在运行点附近表现出了复杂的动态行为,采用传统小扰动法难以凑效,文中将向量场正规形方法应用于电力系统奇异摄动模型,通过分析电力系统基本响应模式间的非线性相关作用来认识和理解系统的动态特性,深化了线性化分析中的特征分析理论,为分析强非线性下系统的稳定性及非线性动态特性提供了一条新的有效途径。
