1) three-phase power flow
三相潮流计算
1.
In the second chapter, three-phase models for distribution system elements are established, which is the basis of three-phase power flow.
第二章建立了配电网络各种元件的三相数学模型,这是三相潮流计算的基础。
2) three phase power flow
三相潮流
1.
The application of three phase power flow calculation to distribution automation system;
三相潮流计算在配电网自动化中的应用
2.
According to the weak mutual coupling of the sequence coupled line in calculating the three phase power flow, three phase sequence decoupling-compensation models of unsymmetrical transmission lines were described.
针对三相潮流计算中,不对称输电线路间弱耦合关系处理难的问题,引入不对称输电线路的补偿注入电流模型,并提出基于节点注入序电流的牛顿-拉夫逊法。
3.
According to the principle of three phase power flow for distribution network,the distribution network topology analysis and three phase power flow are designed and implemented in this paper,and the implementation is based on the object oriented technique.
根据配电网三相潮流计算的基本原理 ,按面向对象技术设计并实现了配电网拓扑分析和三相潮流计算算法。
3) three-phase power flow
三相潮流
1.
Unbalanced three-phase power flow calculation for distributed power generation system;
分布式发电系统的不平衡三相潮流计算
2.
The three-phase power flow can be obtained by just finding the positive sequence power flow and then finding the negative sequence component fr.
该算法将现有配网三相潮流算法中的3n阶矩阵降为n阶,大大降低了计算量。
3.
A three-phase power flow application based on CIM has been developed using object-oriented techniques.
应用面向对象的程序设计方法实现了基于公共信息模型(CIM)建模的配电网三相潮流计 算。
4) power flow
潮流计算
1.
Integrated AC/DC systems power flow solution using improved Broyden approach;
基于改进布罗伊登法的交直流潮流计算
2.
An improved power flow algorithm for meshed distribution networks based on superposition principle and forward/backward sweep method;
基于叠加原理和前代后代法的环状配电网潮流计算
3.
The Application of Phasor Measurement Units in Power Flow;
PMU在电力系统潮流计算中的应用
5) power flow calculation
潮流计算
1.
Research on wind farm models for power flow calculation;
电力系统潮流计算中风电场模型研究
2.
Application of vectorizable programming techniques in power flow calculations for large-scale power grid;
向量化编程技术及其在大型电网潮流计算中的应用
3.
Comparison and study of preconditioning methods of Jacobian matrix of power flow calculation;
潮流计算雅可比矩阵预处理方法的比较研究
6) load flow calculation
潮流计算
1.
Improving Gauss-Sederal method of load flow calculation with approximate best accelerating factor;
近似最佳加速因子改进高斯-赛德尔法潮流计算
2.
Application of multi-slack load flow calculation in dispatcher power flow;
多平衡机潮流计算在调度员潮流中的应用
3.
Study on teaching software of load flow calculation developed by Foxpro 8.0;
浅谈用FOXPRO8.0开发电力系统潮流计算教学软件
补充资料:潮流计算牛顿—拉夫逊法
潮流计算牛顿—拉夫逊法
load flow Newton-Raphson method
X=(x1,为,…,x.)T其相应牛顿法求解的迭代格式为 F,(X(‘))△万(‘)=一F(X(‘)) X(‘+l)=X(,)+心万(‘)(2)其中f一工了上一不︵d 工J一dlJF‘(X(‘))=a九ax:a几日xZ(3)a人af.a为a几I一才(‘)为函数F(X)的偏导数矩阵,称为雅可比(Jacobi)矩阵.式(2)的第一式,是系数矩阵尸(X(t))和右端项一F(X(’))均已知的线性方程组,称为修正方程,求解后可得修正t△X(t),再通过式(2)的第二式,对变tx(。加以修正.依此类推,直至第k次迭代}}F(X(.))II或】}△万(’)}!小于给定的。时,x川即是方程组(1)的解。 潮流计算牛顿一拉夫逊法是应用数学上的牛顿一拉夫逊法求解电力潮流的方法。 直角坐标的潮流计算基本方程对潮流计算的导纳矩阵墓本方程万九亡一只一jQ 杏‘(i=1,2,…,九)(4)用Y。=汤+jB山,亡,=。+j几代人并展开,可得节点功率平衡方程△只△Q‘一尸‘一e,万(G禹一B.’几) 一五万(G泣人+凡动=一Q‘一关艺(G洒一凡几)0(5) +e,艺(G动人+Boe.,一‘6) 在一l 再补充尸一U节点和U一6节点的节点电压平衡方程 汉少于=U三一(e于+刀)=o(7) 山‘~e,一Uoeos氏=0(8) Of盆=f,一U.,sin6,v=O(9)式中U。,氏已知。 对于电压用极坐标表示的情况,亡一u.e”=U,(c 056.+jsin氏),同样可以导出极坐标形式的平衡方程。 牛顿法的修正方程潮流计算的牛顿法须首先建立式(2)的修正方程.对于潮流计算,每一节点有两个方程,则 、少 n︺ 目.1 了‘、、|父r|J T 、‘矛 F=(F一,F:一,…,Fz、,F2.,…,Fl,,FZ。)T X=(el,f,,…,e、,关,…,e。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条