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pf_build_data_structure.m
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% Copyright (c) 2016 the Institute of Power System Optimization, Guangxi University (the iPso)
% and original author(s). This file is licensed to you under the Apache License, Version
% 2.0 (the "License"); you may not use this file except in compliance with the License. You
% may obtain a copy of the License at
%
% http://www.apache.org/licenses/LICENSE-2.0
%
% Unless required by applicable law or agreed to in writing, software distributed under the
% License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
% either express or implied. See the License for the specific language governing permissions
% and limitations under the License.
% Created by Beicun Li (John Resse) at 2015-10-20 08:40. Contact mister.resse@outlook.com.
function [err,initialFe,Y,P,QAndU2,BLVoltages,U,N,BLNodes,PQNodes, PVNodes, QLimits, precision,maxIterTimes] = pf_build_data_structure(srcFilePath)
%========================================================================================================================%
% %
% 读取潮流计算源数据文件，并构造特定的数据格式。 %
% %
%========================================================================================================================%
% 参 | | %
% srcFilePath | string | 包含源数据的文本文件的绝对或相对路径。 %
% 数 | | %
%========================================================================================================================%
% | | %
% | | 错误代码，指出该函数是否正确返回。___________________________________________ %
% | | ________________| 0 - 正常返回 | %
% err | struct | | 1 - 具有多平衡节点 | %
% | | | 错误代码含义 2 - PV节点运行参数表未包含平衡节点| %
% | | |_______________ 其它数值 - 发生未知错误（未使用） | %
% | | |__________________________________________| %
% | | 除非 errCode == 0，否则所有其他返回值无效。 %
% __________________________________________________________________________________________________________________%
% | | %
% Y | matrix | 节点导纳矩阵（标幺值）。 %
% 返 __________________________________________________________________________________________________________________%
% | | | %
% P | vector | 给定有功向量（标幺值）。 | %
% _______________________________________________________________________________________________| 平衡节点处为 0。 %
% | | | %
% QAndU2 | vector | 给定无功（对于PQ节点）或电压平方（对于PV节点）向量（标幺值）。| %
% _______________________________________________________________________________________________|__________________%
% 回 | | %
% BLVoltages | vector | 平衡节点电压向量（标幺值）。 %
% __________________________________________________________________________________________________________________%
% | | %
% U | vector | PV节点给定电压幅值（标幺值）。 %
% __________________________________________________________________________________________________________________%
% | | %
% 值 N | integer | 总节点数目。 %
% __________________________________________________________________________________________________________________%
% | | %
% BLNodes | vector | 平衡节点（编号）列表。 %
% __________________________________________________________________________________________________________________%
% | | %
% PQNodes | vector | PQ节点（编号）列表。 %
% __________________________________________________________________________________________________________________%
% | | %
% PVNodes | vector | PV节点（编号）列表。 %
% __________________________________________________________________________________________________________________%
% | | %
% precision | float | 收敛精度。 %
% __________________________________________________________________________________________________________________%
% | | %
% maxIterTimes | integer | 最大迭代次数。 %
%========================================================================================================================%
[err,nodeNbr,branchNbr,baseCapacity,maxIterTimes,centralParam ,precision,functionClass, ...
blNodeNbr, blNodeIndexies, transmissionLineParams, groundedLineParams, transformerParams, nodeParams,pvAndBlNodeParams, generatorParams] ...
= pf_read_src_ipso(srcFilePath);
if(isstruct(err))
initialFe = 0;Y=0;P=0;QAndU2=0;BLVoltages=0;U=0;N=0;BLNodes=0;PQNodes=0;PVNodes=0;precision=0;maxIterTimes=0;QLimits=0;
return;
end
sizeOfTransmissionLineParams = common_element_count(transmissionLineParams);
sizeOfGroundedLineLineParams = common_element_count(groundedLineParams);
sizeOfNodeParams = common_element_count(nodeParams);
sizeOfpvAndBlNodeParams = common_element_count(pvAndBlNodeParams);
sizeOfGeneratorParams = common_element_count(generatorParams);
sizeOfTransformerParams = common_element_count(transformerParams);
blNodeNbr = 0;
pvNodeNbr = 0;
pqNodeNbr = 0;
%% Build matrix Y.
G = zeros(sizeOfNodeParams,sizeOfNodeParams);
B = zeros(sizeOfNodeParams,sizeOfNodeParams);
% Use the transmission line parameters.
for i = 1:sizeOfTransmissionLineParams
linedata = transmissionLineParams(i);
gij = linedata.R/(linedata.R*linedata.R + linedata.X*linedata.X);
bij = -linedata.X/(linedata.R*linedata.R + linedata.X*linedata.X);
nodeNoi = linedata.nodei;
nodeNoj = linedata.nodej;
bDiv2 = linedata.bDiv2;
G(nodeNoi, nodeNoj) = G(nodeNoi, nodeNoj) - gij;
G(nodeNoj, nodeNoi) = G(nodeNoj, nodeNoi) - gij;
G(nodeNoi, nodeNoi) = G(nodeNoi, nodeNoi) + gij;
G(nodeNoj, nodeNoj) = G(nodeNoj, nodeNoj) + gij;
B(nodeNoi, nodeNoj) = B(nodeNoi, nodeNoj) - bij;
B(nodeNoj, nodeNoi) = B(nodeNoj, nodeNoi) - bij;
B(nodeNoi, nodeNoi) = B(nodeNoi, nodeNoi) + bij + bDiv2;
B(nodeNoj, nodeNoj) = B(nodeNoj, nodeNoj) + bij + bDiv2;
end
% Done.
% Use the grounded line parameters.
for i = 1:sizeOfGroundedLineLineParams
glinedata = groundedLineParams(i);
nodeNoi = glinedata.nodeNo;
bij = glinedata.G;
B(nodeNoi, nodeNoi) = B(nodeNoi, nodeNoi) + bij;
end
% Done.
% Use the transformer parameters.
for i = 1:sizeOfTransformerParams
transdata = transformerParams(i);
nodeNoi = transdata.nodei;
nodeNoj = transdata.nodej;
kMin = transdata.kMin;
kMax = transdata.kMax;
k0 = transdata.k0;
r = transdata.R;
x = transdata.X;
gij = r/(r*r + x*x);
bij = -x/(r*r + x*x);
G(nodeNoi, nodeNoj) = G(nodeNoi, nodeNoj) - gij/k0;
B(nodeNoi, nodeNoj) = B(nodeNoi, nodeNoj) - bij/k0;
G(nodeNoj, nodeNoi) = G(nodeNoj, nodeNoi) - gij/k0;
B(nodeNoj, nodeNoi) = B(nodeNoj, nodeNoi) - bij/k0;
G(nodeNoi, nodeNoi) = G(nodeNoi, nodeNoi) + gij/k0/k0;
B(nodeNoi, nodeNoi) = B(nodeNoi, nodeNoi) + bij/k0/k0;
G(nodeNoj, nodeNoj) = G(nodeNoj, nodeNoj) + gij;
B(nodeNoj, nodeNoj) = B(nodeNoj, nodeNoj) + bij;
end
Y = sparse(G) + sparse(B)*j;
%% Build vector P, QAndU2, BLNodes, PVNodes, PQNodes, BLVoltages.
BLNodes = blNodeIndexies;
BLVoltages = [];
PQNodes = [];
PVNodes = [];
P = [];
QAndU2 = [];
U = [];
for i = 1:sizeOfNodeParams
node = nodeParams(i);
P(node.nodeNo) = (node.Pg - node.Pl)/baseCapacity;
QAndU2(node.nodeNo) = (node.Qg - node.Ql)/baseCapacity;
QMax(node.nodeNo) = (node.Qg - node.Ql)/baseCapacity;
QMin(node.nodeNo) = (node.Qg - node.Ql)/baseCapacity;
end
for i = 1:sizeOfpvAndBlNodeParams
node = pvAndBlNodeParams(i);
if(~common_contain(BLNodes,node.nodeNo,0))
pvNodeNbr = pvNodeNbr + 1;
PVNodes(pvNodeNbr) = node.nodeNo;
U(pvNodeNbr) = node.u;
QAndU2(node.nodeNo) = (node.u)*(node.u);
QMax(node.nodeNo) = node.QMax/baseCapacity;
QMin(node.nodeNo) = node.QMin/baseCapacity;
else
blNodeNbr = blNodeNbr + 1;
BLVoltages(blNodeNbr) = node.u;
QMax(node.nodeNo) = node.QMax/baseCapacity;
QMin(node.nodeNo) = node.QMin/baseCapacity;
end
end
for i = 1:common_element_count(blNodeIndexies)
P(blNodeIndexies(i)) = 0.0000;
QAndU2(blNodeIndexies(i)) = 0.0000;
end
N = sizeOfNodeParams;
for i = 1:N
if(~common_contain(BLNodes,i,0))
if(~common_contain(PVNodes,i,0))
pqNodeNbr = pqNodeNbr + 1;
PQNodes(pqNodeNbr) = i;
end
end
end
BLNodes = BLNodes';
BLVoltages = BLVoltages';
PVNodes = PVNodes';
PQNodes = PQNodes';
P = P';
QAndU2 = QAndU2';
U = U';
QMin = QMin';
QMax = QMax';
QLimits = [QMin,QMax];
initialFe = sparse(pf_set_init_values(N,1.0000,U,BLVoltages,PQNodes,PVNodes,BLNodes));
end