Description: 牛顿－拉夫逊法潮流计算
基本步骤：
（1）形成节点导纳矩阵
（2）将各节点电压设初值U，
（3）将节点初值代入相关求式，求出修正方程式的常数项向量
（4）将节点电压初值代入求式，求出雅可比矩阵元素
（5）求解修正方程，求修正向量
（6）求取节点电压的新值
（7）检查是否收敛，如不收敛，则以各节点电压的新值作为初值自第3步重新开始进行狭义次迭代，否则转入下一步
（8）计算支路功率分布，PV节点无功功率和平衡节点柱入功率。-Newton-Raphson method flow calculation basic steps : (1) formation of nodal admittance matrix (2) to set up the initial node voltage U, (3) the initial node-generation-related demand. calculated that the constant term formula Vector (4) nodes will be incorporated into the initial voltage-seeking, calculated Jacobian matrix elements (5) solving that equation, seek to amend the vector (6) to strike a new node voltage value (7) to check whether convergence, if not restrained. concentrated in the nodes of the new voltage as the initial value since the first three steps to re-start the narrow iterations. Otherwise, turn into the next (8) Calculation branch power distribution, PV nodes reactive power and balance-node into power. Platform: |
Size: 2519 |
Author:asd |
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Description: 牛顿－拉夫逊法潮流计算
基本步骤：
（1）形成节点导纳矩阵
（2）将各节点电压设初值U，
（3）将节点初值代入相关求式，求出修正方程式的常数项向量
（4）将节点电压初值代入求式，求出雅可比矩阵元素
（5）求解修正方程，求修正向量
（6）求取节点电压的新值
（7）检查是否收敛，如不收敛，则以各节点电压的新值作为初值自第3步重新开始进行狭义次迭代，否则转入下一步
（8）计算支路功率分布，PV节点无功功率和平衡节点柱入功率。-Newton-Raphson method flow calculation basic steps : (1) formation of nodal admittance matrix (2) to set up the initial node voltage U, (3) the initial node-generation-related demand. calculated that the constant term formula Vector (4) nodes will be incorporated into the initial voltage-seeking, calculated Jacobian matrix elements (5) solving that equation, seek to amend the vector (6) to strike a new node voltage value (7) to check whether convergence, if not restrained. concentrated in the nodes of the new voltage as the initial value since the first three steps to re-start the narrow iterations. Otherwise, turn into the next (8) Calculation branch power distribution, PV nodes reactive power and balance-node into power. Platform: |
Size: 2048 |
Author:asd |
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Description: 利用MATLAB编程求雅可比矩阵，来完成电力系统的潮流计算-MATLAB Programming for the use of Jacobian matrix, to complete the power system load flow calculation Platform: |
Size: 3072 |
Author:柳三喜 |
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Description: 电力系统 最优潮流计算 稳定计算 源码-UWPFLOW is a research tool that has been designed to calculate local bifurcations related to system limits or singularities in the system Jacobian. The program also generates a series of output files that allow further analyses, such as tangent vectors, left and right eigenvectors at a singular bifurcation point, Jacobians, power flow solutions at different loading levels, voltage stability indices, etc. Platform: |
Size: 908288 |
Author:drjiang |
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Description: This section describes the development and extension of a basic power flow program in Matlab. To the extent feasible, complex vector operations are used, even for the calculation of the Jacobian matrix .-This section describes the development and extension of a basic power flow program in Matlab. To the extent feasible, complex vector operations are used, even for the calculation of the Jacobian matrix . Platform: |
Size: 51200 |
Author:sina mehrabi |
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Description: 采用C语言编写的用于处理潮流计算问题的代码,包括生成导纳矩阵和求解雅克比方程组.-Using C language to deal with the issue of power flow calculation code, including admittance to generate Jacobian matrix and solving equations. Platform: |
Size: 21504 |
Author:魏刚 |
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Description: 此程序为潮流计算中的雅克比矩阵程序，也是潮流计算的核心部分。-This program for the power flow calculation of the Jacobian matrix program, but also the core of the power flow calculation. Platform: |
Size: 40960 |
Author:毕志鹏 |
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Description: Solving the power flow of an electric system using Gaussian-Jacobian method.
files include:
busdata6.m
gaussppg.m
linedata6.m
pol2rect.m
ybusppg.m Platform: |
Size: 3072 |
Author:socosmo |
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Description: 7节点潮流运算的MATLAB程序,包括导纳、雅克比矩阵生成，运算结果输出等部分-7-node system flow calculation procedures, including the admittance matrix, such as the generation of Jacobian matrix, and finally output the results of current operations Platform: |
Size: 2048 |
Author:陈云 |
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Description: MATLAB实现对该系统的潮流计算。需要MATLAB语言编制程序形成节点导纳矩阵、形成雅克比矩阵、用高斯消去法解修正方程式，并编写输出程序用以输出节点导纳矩阵、节点电压（包括电压的相角和幅值）、以及各支路的首端功率、末端功率和功率损耗-MATLAB implementation of the system flow calculation. MATLAB programming language requires the formation of the node admittance matrix, Jacobian matrix formed by modified Gaussian elimination method for solving equations, and write out procedures for the admittance matrix of the output node, the node voltage (including the voltage phase angle and amplitude), and the first end of each branch of power, end power and power loss Platform: |
Size: 1024 |
Author:高阳 |
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Description: 本程序的功能：在直角坐标系中，运用牛顿---拉夫逊法求解一般的潮流问题，
形成节点导纳矩阵、雅克比矩阵来建立修正方程，求解偏移量和电压新值，
进而求解电流、相角和输入功率、输出功率以及线路功率及其损耗问题。-This program features: In the Cartesian coordinate system, using Newton--- Raphson method for solving general trend of the problem, the formation of nodal admittance matrix, Jacobian matrix to create a correction equation, solving voltage offset and new values, thereby solving current, phase angle and the input power, output power and line power and loss issues. Platform: |
Size: 10240 |
Author:angelica |
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Description: 连续潮流：又称为延拓潮流，是电力系统电压稳定性分析的有力工具，它通过在常规潮流基础上引入一个负荷增长系数来克服雅可比矩阵奇异，从而克服接近稳定极限运行状态时的收敛问题，解决了常规潮流在崩溃点外无解和在崩溃点附近不能可靠收敛的问题。-Continuous flow: also known as extension tide, is a powerful tool for system voltage stability analysis of power, it is by introducing a load factor in the growth trend basis to overcome the conventional Jacobian matrix is singular, thus overcoming the convergence close to steady state operation of the limit problem, to solve the conventional trend points outside the crash and no solution can not be reliably near the breaking point of convergence problems. Platform: |
Size: 3072 |
Author:余先生 |
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Description: 实现含风电场RX模型的系统潮流计算，风电场采用RX模型，此模型充分考虑风力发电机的输出功率特性，比其他模型完善，在模型中将迭代过程分为两步:常规潮流迭代计算和异步风力发电机的滑差迭代计算。- In short, the algorithm carried out to simulate the wind farmas an RX bus is as follows:
1)Begin with s=snorm in each machine, snorm being the rated slip of the same. With this value, calculate the impedance Z.
2)With these values, model the wind farm as an RX bus including the admittances of the machines in the admittance matrix and in the corresponding terms of the jacobian.
3)As a result of the first power flow, the voltages in the buses can be obtained. With these, can calculate the mechanical power of the machine.
4)With the value of s, calculate the power extracted the wind with .
5)Compare both powers and, if they are not equal, recalculate，by means of (G) and go to step 2. If they are equal, he algorithm finishes. Platform: |
Size: 409600 |
Author:guojizu |
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Search - jacobian power flow