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t_opf_mips_sc

PURPOSE ^

T_OPF_MIPS_SC Tests for step-controlled MIPS-based AC optimal power flow.

SYNOPSIS ^

function t_opf_mips_sc(quiet)

DESCRIPTION ^

T_OPF_MIPS_SC  Tests for step-controlled MIPS-based AC optimal power flow.

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function t_opf_mips_sc(quiet)
0002 %T_OPF_MIPS_SC  Tests for step-controlled MIPS-based AC optimal power flow.
0003 
0004 %   MATPOWER
0005 %   $Id: t_opf_mips_sc.m,v 1.7 2010/11/30 21:29:11 cvs Exp $
0006 %   by Ray Zimmerman, PSERC Cornell
0007 %   Copyright (c) 2004-2010 by Power System Engineering Research Center (PSERC)
0008 %
0009 %   This file is part of MATPOWER.
0010 %   See http://www.pserc.cornell.edu/matpower/ for more info.
0011 %
0012 %   MATPOWER is free software: you can redistribute it and/or modify
0013 %   it under the terms of the GNU General Public License as published
0014 %   by the Free Software Foundation, either version 3 of the License,
0015 %   or (at your option) any later version.
0016 %
0017 %   MATPOWER is distributed in the hope that it will be useful,
0018 %   but WITHOUT ANY WARRANTY; without even the implied warranty of
0019 %   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
0020 %   GNU General Public License for more details.
0021 %
0022 %   You should have received a copy of the GNU General Public License
0023 %   along with MATPOWER. If not, see <http://www.gnu.org/licenses/>.
0024 %
0025 %   Additional permission under GNU GPL version 3 section 7
0026 %
0027 %   If you modify MATPOWER, or any covered work, to interface with
0028 %   other modules (such as MATLAB code and MEX-files) available in a
0029 %   MATLAB(R) or comparable environment containing parts covered
0030 %   under other licensing terms, the licensors of MATPOWER grant
0031 %   you additional permission to convey the resulting work.
0032 
0033 if nargin < 1
0034     quiet = 0;
0035 end
0036 
0037 num_tests = 101;
0038 
0039 t_begin(num_tests, quiet);
0040 
0041 [PQ, PV, REF, NONE, BUS_I, BUS_TYPE, PD, QD, GS, BS, BUS_AREA, VM, ...
0042     VA, BASE_KV, ZONE, VMAX, VMIN, LAM_P, LAM_Q, MU_VMAX, MU_VMIN] = idx_bus;
0043 [GEN_BUS, PG, QG, QMAX, QMIN, VG, MBASE, GEN_STATUS, PMAX, PMIN, ...
0044     MU_PMAX, MU_PMIN, MU_QMAX, MU_QMIN, PC1, PC2, QC1MIN, QC1MAX, ...
0045     QC2MIN, QC2MAX, RAMP_AGC, RAMP_10, RAMP_30, RAMP_Q, APF] = idx_gen;
0046 [F_BUS, T_BUS, BR_R, BR_X, BR_B, RATE_A, RATE_B, RATE_C, ...
0047     TAP, SHIFT, BR_STATUS, PF, QF, PT, QT, MU_SF, MU_ST, ...
0048     ANGMIN, ANGMAX, MU_ANGMIN, MU_ANGMAX] = idx_brch;
0049 [PW_LINEAR, POLYNOMIAL, MODEL, STARTUP, SHUTDOWN, NCOST, COST] = idx_cost;
0050 
0051 casefile = 't_case9_opf';
0052 if quiet
0053     verbose = 0;
0054 else
0055     verbose = 0;
0056 end
0057 if have_fcn('octave')
0058     s1 = warning('query', 'Octave:load-file-in-path');
0059     warning('off', 'Octave:load-file-in-path');
0060 end
0061 
0062 t0 = 'MIPS-sc : ';
0063 mpopt = mpoption('OPF_VIOLATION', 1e-6, 'PDIPM_GRADTOL', 1e-8, ...
0064         'PDIPM_COMPTOL', 1e-8, 'PDIPM_COSTTOL', 1e-9);
0065 mpopt = mpoption(mpopt, 'OUT_ALL', 0, 'VERBOSE', verbose, 'OPF_ALG', 565);
0066 
0067 %% set up indices
0068 ib_data     = [1:BUS_AREA BASE_KV:VMIN];
0069 ib_voltage  = [VM VA];
0070 ib_lam      = [LAM_P LAM_Q];
0071 ib_mu       = [MU_VMAX MU_VMIN];
0072 ig_data     = [GEN_BUS QMAX QMIN MBASE:APF];
0073 ig_disp     = [PG QG VG];
0074 ig_mu       = (MU_PMAX:MU_QMIN);
0075 ibr_data    = (1:ANGMAX);
0076 ibr_flow    = (PF:QT);
0077 ibr_mu      = [MU_SF MU_ST];
0078 ibr_angmu   = [MU_ANGMIN MU_ANGMAX];
0079 
0080 %% get solved AC power flow case from MAT-file
0081 load soln9_opf;     %% defines bus_soln, gen_soln, branch_soln, f_soln
0082 
0083 %% run OPF
0084 t = t0;
0085 [baseMVA, bus, gen, gencost, branch, f, success, et] = runopf(casefile, mpopt);
0086 t_ok(success, [t 'success']);
0087 t_is(f, f_soln, 3, [t 'f']);
0088 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0089 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0090 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0091 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0092 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0093 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0094 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0095 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0096 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0097 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0098 
0099 %% run with automatic conversion of single-block pwl to linear costs
0100 t = [t0 '(single-block PWL) : '];
0101 mpc = loadcase(casefile);
0102 mpc.gencost(3, NCOST) = 2;
0103 r = runopf(mpc, mpopt);
0104 t_ok(success, [t 'success']);
0105 t_is(f, f_soln, 3, [t 'f']);
0106 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0107 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0108 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0109 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0110 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0111 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0112 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0113 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0114 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0115 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0116 xr = [r.var.val.Va;r.var.val.Vm;r.var.val.Pg;r.var.val.Qg;0;r.var.val.y];
0117 t_is(r.x, xr, 8, [t 'check on raw x returned from OPF']);
0118 
0119 %% get solved AC power flow case from MAT-file
0120 load soln9_opf_Plim;       %% defines bus_soln, gen_soln, branch_soln, f_soln
0121 
0122 %% run OPF with active power line limits
0123 t = [t0 '(P line lim) : '];
0124 mpopt1 = mpoption(mpopt, 'OPF_FLOW_LIM', 1);
0125 [baseMVA, bus, gen, gencost, branch, f, success, et] = runopf(casefile, mpopt1);
0126 t_ok(success, [t 'success']);
0127 t_is(f, f_soln, 3, [t 'f']);
0128 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0129 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0130 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0131 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0132 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0133 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0134 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0135 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0136 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0137 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0138 
0139 %%-----  test OPF with quadratic gen costs moved to generalized costs  -----
0140 mpc = loadcase(casefile);
0141 mpc.gencost = [
0142     2   1500    0   3   0.11    5   0;
0143     2   2000    0   3   0.085   1.2 0;
0144     2   3000    0   3   0.1225  1   0;
0145 ];
0146 [baseMVA, bus_soln, gen_soln, gencost, branch_soln, f_soln, success, et] = runopf(mpc, mpopt);
0147 branch_soln = branch_soln(:,1:MU_ST);
0148 
0149 A = sparse(0,0);
0150 l = [];
0151 u = [];
0152 nb = size(mpc.bus, 1);      % number of buses
0153 ng = size(mpc.gen, 1);      % number of gens
0154 thbas = 1;                thend    = thbas+nb-1;
0155 vbas     = thend+1;       vend     = vbas+nb-1;
0156 pgbas    = vend+1;        pgend    = pgbas+ng-1;
0157 qgbas    = pgend+1;       qgend    = qgbas+ng-1;
0158 nxyz = 2*nb + 2*ng;
0159 N = sparse((1:ng)', (pgbas:pgend)', mpc.baseMVA * ones(ng,1), ng, nxyz);
0160 fparm = ones(ng,1) * [ 1 0 0 1 ];
0161 [junk, ix] = sort(mpc.gen(:, 1));
0162 H = 2 * spdiags(mpc.gencost(ix, 5), 0, ng, ng);
0163 Cw = mpc.gencost(ix, 6);
0164 mpc.gencost(:, 5:7) = 0;
0165 
0166 %% run OPF with quadratic gen costs moved to generalized costs
0167 t = [t0 'w/quadratic generalized gen cost : '];
0168 [r, success] = opf(mpc, A, l, u, mpopt, N, fparm, H, Cw);
0169 [f, bus, gen, branch] = deal(r.f, r.bus, r.gen, r.branch);
0170 t_ok(success, [t 'success']);
0171 t_is(f, f_soln, 3, [t 'f']);
0172 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0173 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0174 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0175 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0176 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0177 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0178 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0179 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0180 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0181 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0182 t_is(r.cost.usr, f, 12, [t 'user cost']);
0183 
0184 %%-----  run OPF with extra linear user constraints & costs  -----
0185 %% single new z variable constrained to be greater than or equal to
0186 %% deviation from 1 pu voltage at bus 1, linear cost on this z
0187 %% get solved AC power flow case from MAT-file
0188 load soln9_opf_extras1;   %% defines bus_soln, gen_soln, branch_soln, f_soln
0189 A = sparse([1;1;2;2],[10;25;10;25],[-1;1;1;1],2,25);
0190 u = [Inf; Inf];
0191 l = [-1; 1];
0192 
0193 N = sparse(1, 25, 1, 1, 25);    %% new z variable only
0194 fparm = [1 0 0 1];              %% w = r = z
0195 H = sparse(1,1);                %% no quadratic term
0196 Cw = 100;
0197 
0198 t = [t0 'w/extra constraints & costs 1 : '];
0199 [r, success] = opf(casefile, A, l, u, mpopt, N, fparm, H, Cw);
0200 [f, bus, gen, branch] = deal(r.f, r.bus, r.gen, r.branch);
0201 t_ok(success, [t 'success']);
0202 t_is(f, f_soln, 3, [t 'f']);
0203 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0204 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0205 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0206 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0207 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0208 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0209 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0210 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0211 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0212 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0213 t_is(r.var.val.z, 0.025419, 6, [t 'user variable']);
0214 t_is(r.cost.usr, 2.5419, 4, [t 'user cost']);
0215 
0216 %%-----  test OPF with capability curves  -----
0217 mpc = loadcase('t_case9_opfv2');
0218 %% remove angle diff limits
0219 mpc.branch(1, ANGMAX) = 360;
0220 mpc.branch(9, ANGMIN) = -360;
0221 
0222 %% get solved AC power flow case from MAT-file
0223 load soln9_opf_PQcap;   %% defines bus_soln, gen_soln, branch_soln, f_soln
0224     
0225 %% run OPF with capability curves
0226 t = [t0 'w/capability curves : '];
0227 [baseMVA, bus, gen, gencost, branch, f, success, et] = runopf(mpc, mpopt);
0228 t_ok(success, [t 'success']);
0229 t_is(f, f_soln, 3, [t 'f']);
0230 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0231 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0232 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0233 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0234 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0235 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0236 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0237 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0238 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0239 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0240 
0241 %%-----  test OPF with angle difference limits  -----
0242 mpc = loadcase('t_case9_opfv2');
0243 %% remove capability curves
0244 mpc.gen(2:3, [PC1, PC2, QC1MIN, QC1MAX, QC2MIN, QC2MAX]) = zeros(2,6);
0245 
0246 %% get solved AC power flow case from MAT-file
0247 load soln9_opf_ang;   %% defines bus_soln, gen_soln, branch_soln, f_soln
0248     
0249 %% run OPF with angle difference limits
0250 t = [t0 'w/angle difference limits : '];
0251 [baseMVA, bus, gen, gencost, branch, f, success, et] = runopf(mpc, mpopt);
0252 t_ok(success, [t 'success']);
0253 t_is(f, f_soln, 3, [t 'f']);
0254 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0255 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0256 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0257 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  1, [t 'bus mu']);
0258 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0259 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0260 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0261 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0262 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0263 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0264 t_is(branch(:,ibr_angmu ), branch_soln(:,ibr_angmu ),  2, [t 'branch angle mu']);
0265 
0266 %%-----  test OPF with ignored angle difference limits  -----
0267 %% get solved AC power flow case from MAT-file
0268 load soln9_opf;   %% defines bus_soln, gen_soln, branch_soln, f_soln
0269 
0270 %% run OPF with ignored angle difference limits
0271 t = [t0 'w/ignored angle difference limits : '];
0272 mpopt1 = mpoption(mpopt, 'OPF_IGNORE_ANG_LIM', 1);
0273 [baseMVA, bus, gen, gencost, branch, f, success, et] = runopf(mpc, mpopt1);
0274 %% ang limits are not in this solution data, so let's remove them
0275 branch(1, ANGMAX) = 360;
0276 branch(9, ANGMIN) = -360;
0277 t_ok(success, [t 'success']);
0278 t_is(f, f_soln, 3, [t 'f']);
0279 t_is(   bus(:,ib_data   ),    bus_soln(:,ib_data   ), 10, [t 'bus data']);
0280 t_is(   bus(:,ib_voltage),    bus_soln(:,ib_voltage),  3, [t 'bus voltage']);
0281 t_is(   bus(:,ib_lam    ),    bus_soln(:,ib_lam    ),  3, [t 'bus lambda']);
0282 t_is(   bus(:,ib_mu     ),    bus_soln(:,ib_mu     ),  2, [t 'bus mu']);
0283 t_is(   gen(:,ig_data   ),    gen_soln(:,ig_data   ), 10, [t 'gen data']);
0284 t_is(   gen(:,ig_disp   ),    gen_soln(:,ig_disp   ),  3, [t 'gen dispatch']);
0285 t_is(   gen(:,ig_mu     ),    gen_soln(:,ig_mu     ),  3, [t 'gen mu']);
0286 t_is(branch(:,ibr_data  ), branch_soln(:,ibr_data  ), 10, [t 'branch data']);
0287 t_is(branch(:,ibr_flow  ), branch_soln(:,ibr_flow  ),  3, [t 'branch flow']);
0288 t_is(branch(:,ibr_mu    ), branch_soln(:,ibr_mu    ),  2, [t 'branch mu']);
0289 
0290 if have_fcn('octave')
0291     warning(s1.state, 'Octave:load-file-in-path');
0292 end
0293 
0294 t_end;
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