TEST_SE_14BUS Test state estimation on IEEE 14-bus system. NOTE: This test shows system can be not observable due to measurement issues. created by Rui Bo on Jan 6, 2010
0001 function test_se_14bus_err 0002 %TEST_SE_14BUS Test state estimation on IEEE 14-bus system. 0003 % NOTE: This test shows system can be not observable due to measurement 0004 % issues. 0005 % created by Rui Bo on Jan 6, 2010 0006 0007 % MATPOWER 0008 % $Id: test_se_14bus_err.m 1635 2010-04-26 19:45:26Z ray $ 0009 % by Rui Bo 0010 % Copyright (c) 2009-2010 by Rui Bo 0011 % 0012 % This file is part of MATPOWER. 0013 % See http://www.pserc.cornell.edu/matpower/ for more info. 0014 % 0015 % MATPOWER is free software: you can redistribute it and/or modify 0016 % it under the terms of the GNU General Public License as published 0017 % by the Free Software Foundation, either version 3 of the License, 0018 % or (at your option) any later version. 0019 % 0020 % MATPOWER is distributed in the hope that it will be useful, 0021 % but WITHOUT ANY WARRANTY; without even the implied warranty of 0022 % MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 0023 % GNU General Public License for more details. 0024 % 0025 % You should have received a copy of the GNU General Public License 0026 % along with MATPOWER. If not, see <http://www.gnu.org/licenses/>. 0027 % 0028 % Additional permission under GNU GPL version 3 section 7 0029 % 0030 % If you modify MATPOWER, or any covered work, to interface with 0031 % other modules (such as MATLAB code and MEX-files) available in a 0032 % MATLAB(R) or comparable environment containing parts covered 0033 % under other licensing terms, the licensors of MATPOWER grant 0034 % you additional permission to convey the resulting work. 0035 0036 %%------------------------------------------------------ 0037 % for IEEE 14-bus system 0038 %%------------------------------------------------------ 0039 % NOTE: 0040 % 1) all eight members of 'idx', 'measure' and 'sigma' must be 0041 % defined. They should be null vectors([]) if they do not have data 0042 % 2) all data used in this code are for testing purpose only 0043 %% which measurements are available 0044 idx.idx_zPF = [1;3;8;9;10;13;15;19]; 0045 idx.idx_zPT = [4;5;7;11]; 0046 idx.idx_zPG = [1;2]; 0047 idx.idx_zVa = []; 0048 idx.idx_zQF = [1;3;8;9;10;13;15;19]; 0049 idx.idx_zQT = [4;5;7;11]; 0050 idx.idx_zQG = [1;2]; 0051 idx.idx_zVm = [2;3]; 0052 0053 %% specify measurements 0054 measure.PF = [1.5708;0.734;0.2707;0.1546;0.4589;0.1834;0.2707;0.0188]; 0055 measure.PT = [-0.5427;-0.4081;0.6006;-0.0816]; 0056 measure.PG = [2.32;0.4]; 0057 measure.Va = []; 0058 measure.QF = [-0.1748;0.0594;-0.154;-0.0264;-0.2084;0.0998;0.148;0.0141]; 0059 measure.QT = [0.0213;-0.0193;-0.1006;-0.0864]; 0060 measure.QG = [-0.169;0.424]; 0061 measure.Vm = [1;1]; 0062 0063 %% specify measurement variances 0064 sigma.sigma_PF = 0.02; 0065 sigma.sigma_PT = 0.02; 0066 sigma.sigma_PG = 0.015; 0067 sigma.sigma_Va = []; 0068 sigma.sigma_QF = 0.02; 0069 sigma.sigma_QT = 0.02; 0070 sigma.sigma_QG = 0.015; 0071 sigma.sigma_Vm = 0.01; 0072 0073 %% check input data integrity 0074 nbus = 14; 0075 [success, measure, idx, sigma] = checkDataIntegrity(measure, idx, sigma, nbus); 0076 if ~success 0077 error('State Estimation input data are not complete or sufficient!'); 0078 end 0079 0080 %% run state estimation 0081 casename = 'case14.m'; 0082 type_initialguess = 2; % flat start 0083 [baseMVA, bus, gen, branch, success, et, z, z_est, error_sqrsum] = run_se(casename, measure, idx, sigma, type_initialguess);