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电力系统导论实验报告.doc


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电力系统导论实验报告
电力系统导论实验报告
电力系统导论实验报告
Experiment
Introduction to power systems

学生姓名:                nce program to you.

Figure : One—line diagram of power system
For example ,from the textbook “power system analysis” No.2 edition 3 on page 61~62
Table 1:Transformer and transmissssion Line data
From Bus#
To Bus#
R(p。u)
X(p。u)
B(p。u)or ratio K
Others


0。1
0。4
j0.01528

3
0


1




2
4
0.08

J0.01413
 NodalAdmittanceMatrix =  
   1.0421 — 8.2429i    —0。5882 +         0 + 3.6667i    — + 1。8911i 
  - + 2。3529i    1。0690 -           0                        0                
   0 +                          0       0 — 3。3333i             0   
   -0。4539 + 1.8911i          0            0    0。9346 - 
5.The flow chart
Figure : The flow chart of Forming Nodal Admittance Matrix
电力系统导论实验报告
电力系统导论实验报告
电力系统导论实验报告
The program is:
%function OutPut=The_Node_Admittance_Matrix(handles)
%is a subroutine of PowerSystemCalculation
function OutPut=The_Node_Admittance_Matrix(handles)
%the following program is open a data  get the Number of
% Node and Branch data to form a nodal addmittance matrix
%the following code is open a  read the data of power system network
[fname,pname] = uigetfile('*.dbf','Select the network parametre data-file’);
TopoStructureAndBranchPara= csvread(fname);
[NumberOfBranch,NumberOfPara]=size(TopoStructureAndBranchPara);
Temporary1=max(TopoStructureAndBranchPara(:,1));
Temporary2=max(TopoStructureAndBranchPara(:,2));
   if Temporary1 〉 Temporary2
NumberOfNode=Temporary1;
  else
     NumberOfNode=Temporary2;
end
%The following program is to form the Nodal Admittance Matrix 
% and the Topologic structure and Branch Parametres are arranged
% I,J,R,X,C/K, and pay attention to the inpedence of transformer is in the
% side of Node J and the ratio of 

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