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t_cpf

PURPOSE ^

T_CPF Tests for continuation power flow.

SYNOPSIS ^

function res = t_cpf(quiet)

DESCRIPTION ^

T_CPF  Tests for continuation power flow.

CROSS-REFERENCE INFORMATION ^

This function calls: This function is called by:

SOURCE CODE ^

0001 function res = t_cpf(quiet)
0002 %T_CPF  Tests for continuation power flow.
0003 
0004 %   MATPOWER
0005 %   Copyright (c) 2013-2015 by Power System Engineering Research Center (PSERC)
0006 %   by Ray Zimmerman, PSERC Cornell
0007 %
0008 %   $Id: t_cpf.m 2662 2015-03-20 20:02:08Z ray $
0009 %
0010 %   This file is part of MATPOWER.
0011 %   Covered by the 3-clause BSD License (see LICENSE file for details).
0012 %   See http://www.pserc.cornell.edu/matpower/ for more info.
0013 
0014 if nargin < 1
0015     quiet = 0;
0016 end
0017 
0018 num_tests = 81;
0019 t_begin(num_tests, quiet);
0020 
0021 if have_fcn('matlab', 'vnum') < 7.001
0022     t_skip(num_tests, 'RUNCPF requires cellfun() construct not available before Matlab 7.1');
0023 else
0024     plot_nose_curve = 0;
0025     verbose = 0;
0026 
0027     casefile = 't_case9_pfv2';
0028     if have_fcn('octave')
0029         if have_fcn('octave', 'vnum') >= 4
0030             file_in_path_warn_id = 'Octave:data-file-in-path';
0031         else
0032             file_in_path_warn_id = 'Octave:load-file-in-path';
0033         end
0034         s1 = warning('query', file_in_path_warn_id);
0035         warning('off', file_in_path_warn_id);
0036     end
0037     mpopt = mpoption('out.all', 0, 'verbose', verbose);
0038     %mpopt = mpoption(mpopt, 'cpf.stop_at', 'FULL', );
0039     mpopt = mpoption(mpopt, 'cpf.step', 0.02);
0040     %mpopt = mpoption(mpopt, 'cpf.adapt_step', 1);
0041     %mpopt = mpoption(mpopt, 'cpf.error_tol', 2e-5);
0042     mpopt = mpoption(mpopt, 'cpf.plot.level', plot_nose_curve);
0043     %mpopt = mpoption(mpopt, 'cpf.plot.bus', 9);
0044 
0045     %% define named indices into bus, gen, branch matrices
0046     [PQ, PV, REF, NONE, BUS_I, BUS_TYPE, PD, QD, GS, BS, BUS_AREA, VM, ...
0047         VA, BASE_KV, ZONE, VMAX, VMIN, LAM_P, LAM_Q, MU_VMAX, MU_VMIN] = idx_bus;
0048     [F_BUS, T_BUS, BR_R, BR_X, BR_B, RATE_A, RATE_B, RATE_C, ...
0049         TAP, SHIFT, BR_STATUS, PF, QF, PT, QT, MU_SF, MU_ST, ...
0050         ANGMIN, ANGMAX, MU_ANGMIN, MU_ANGMAX] = idx_brch;
0051     [GEN_BUS, PG, QG, QMAX, QMIN, VG, MBASE, GEN_STATUS, PMAX, PMIN, ...
0052         MU_PMAX, MU_PMIN, MU_QMAX, MU_QMIN, PC1, PC2, QC1MIN, QC1MAX, ...
0053         QC2MIN, QC2MAX, RAMP_AGC, RAMP_10, RAMP_30, RAMP_Q, APF] = idx_gen;
0054 
0055     %% set up base and target cases
0056     mpcb = loadcase(casefile);
0057     %% add isolated bus to make sure int2ext works for V_p, V_c
0058     mpcb.bus = [mpcb.bus(1:3, :); mpcb.bus(3, :); mpcb.bus(4:end, :)];
0059     mpcb.bus(4, BUS_I) = 50;
0060     mpcb.bus(4, BUS_TYPE) = NONE;
0061     % r = runpf(mpcb, mpopt);
0062     % mpcb.gen(1, [PG QG]) = r.gen(1, [PG QG]); %% solved values for slack gen
0063     mpct = mpcb;
0064     factor = 2.5;
0065     mpct.gen(:, [PG QG]) = mpct.gen(:, [PG QG]) * factor;
0066     mpct.bus(:, [PD QD]) = mpct.bus(:, [PD QD]) * factor;
0067 
0068     %% run CPF
0069     t = 'Continuation PF to lambda = 0.7 (natural) : ';
0070     mpopt = mpoption(mpopt, 'cpf.stop_at', 0.7, 'cpf.parameterization', 1);
0071     r = runcpf(mpcb, mpct, mpopt);
0072     iterations = 35;
0073     t_ok(r.success, [t 'success']);
0074     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0075     t_is(r.cpf.max_lam, 0.7, 12, [t 'max_lam']);
0076     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0077     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0078     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0079     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0080 
0081     t = 'Continuation PF to lambda = 0.7 (arc length) : ';
0082     mpopt = mpoption(mpopt, 'cpf.stop_at', 0.7, 'cpf.parameterization', 2);
0083     r = runcpf(mpcb, mpct, mpopt);
0084     iterations = 41;
0085     t_ok(r.success, [t 'success']);
0086     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0087     t_is(r.cpf.max_lam, 0.7, 12, [t 'max_lam']);
0088     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0089     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0090     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0091     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0092 
0093     t = 'Continuation PF to lambda = 0.7 (pseudo arc length) : ';
0094     mpopt = mpoption(mpopt, 'cpf.stop_at', 0.7, 'cpf.parameterization', 3);
0095     r = runcpf(mpcb, mpct, mpopt);
0096     iterations = 41;
0097     t_ok(r.success, [t 'success']);
0098     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0099     t_is(r.cpf.max_lam, 0.7, 12, [t 'max_lam']);
0100     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0101     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0102     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0103     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0104 
0105     t = 'Continuation PF to nose point (arc length) : ';
0106     mpopt = mpoption(mpopt, 'cpf.stop_at', 'NOSE', 'cpf.parameterization', 2);
0107     mpopt = mpoption(mpopt, 'cpf.adapt_step', 1);
0108     r = runcpf(mpcb, mpct, mpopt);
0109     iterations = 22;
0110     t_ok(r.success, [t 'success']);
0111     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0112     t_is(r.cpf.max_lam, 0.99025, 3, [t 'max_lam']);
0113     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0114     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0115     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0116     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0117 
0118     t = 'Continuation PF to nose point (pseudo arc length) : ';
0119     mpopt = mpoption(mpopt, 'cpf.stop_at', 'NOSE', 'cpf.parameterization', 3);
0120     mpopt = mpoption(mpopt, 'cpf.adapt_step', 1);
0121     r = runcpf(mpcb, mpct, mpopt);
0122     iterations = 22;
0123     t_ok(r.success, [t 'success']);
0124     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0125     t_is(r.cpf.max_lam, 0.99025, 3, [t 'max_lam']);
0126     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0127     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0128     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0129     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0130 
0131     t = 'Continuation PF (full trace) (arc length) : ';
0132     mpopt = mpoption(mpopt, 'cpf.stop_at', 'FULL', 'cpf.parameterization', 2);
0133     r = runcpf(mpcb, mpct, mpopt);
0134     iterations = 45;
0135     t_ok(r.success, [t 'success']);
0136     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0137     t_is(r.cpf.max_lam, 0.99025, 3, [t 'max_lam']);
0138     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0139     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0140     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0141     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0142 
0143     t = 'Continuation PF (full trace) (pseudo arc length) : ';
0144     mpopt = mpoption(mpopt, 'cpf.stop_at', 'FULL', 'cpf.parameterization', 3);
0145     r = runcpf(mpcb, mpct, mpopt);
0146     iterations = 45;
0147     t_ok(r.success, [t 'success']);
0148     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0149     t_is(r.cpf.max_lam, 0.99025, 3, [t 'max_lam']);
0150     t_is(size(r.cpf.V_p), [10 iterations+1], 12, [t 'size(V_p)']);
0151     t_is(size(r.cpf.V_c), [10 iterations+1], 12, [t 'size(V_c)']);
0152     t_is(size(r.cpf.lam_p), [1 iterations+1], 12, [t 'size(lam_p)']);
0153     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0154 
0155     t = '1 user callback : ';
0156     mpopt = mpoption(mpopt, 'cpf.stop_at', 0.7, 'cpf.parameterization', 3);
0157     mpopt = mpoption(mpopt, 'cpf.adapt_step', 1);
0158     mpopt = mpoption(mpopt, 'cpf.user_callback', 't_cpf_cb1');
0159     r = runcpf(mpcb, mpct, mpopt);
0160     iterations = 7;
0161     t_ok(r.success, [t 'success']);
0162     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0163     t_is(r.cpf.max_lam, 0.7, 12, [t 'max_lam']);
0164     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0165     t_ok(isfield(r.cpf, 'cb1'), [t 'isfield cpf.cb1']);
0166     t_ok(isstruct(r.cpf.cb1), [t 'isstruct cpf.cb1']);
0167     t_ok(isfield(r.cpf.cb1, 'initial'), [t 'isfield cpf.cb1.initial']);
0168     t_ok(isfield(r.cpf.cb1, 'iteration'), [t 'isfield cpf.cb1.iteration']);
0169     t_ok(isfield(r.cpf.cb1, 'final'), [t 'isfield cpf.cb1.final']);
0170     t_is(r.cpf.cb1.initial, 1, 12, [t 'r.cpf.cb1.initial']);
0171     t_is(r.cpf.cb1.iteration, iterations, 12, [t 'r.cpf.cb1.iterations']);
0172     t_is(r.cpf.cb1.final, 1, 12, [t 'r.cpf.cb1.final']);
0173 
0174     t = '2 user callbacks (with args) : ';
0175     mpopt = mpoption(mpopt, 'cpf.user_callback', {'t_cpf_cb1', 't_cpf_cb2'});
0176     cb_args = struct('cb2', struct('initial', 20, 'iteration', 2, 'final', 200));
0177     mpopt = mpoption(mpopt, 'cpf.user_callback_args', cb_args);
0178     r = runcpf(mpcb, mpct, mpopt);
0179     iterations = 7;
0180     t_ok(r.success, [t 'success']);
0181     t_is(r.cpf.iterations, iterations, 12, [t 'iterations']);
0182     t_is(r.cpf.max_lam, 0.7, 12, [t 'max_lam']);
0183     t_is(size(r.cpf.lam_c), [1 iterations+1], 12, [t 'size(lam_c)']);
0184     t_ok(isfield(r.cpf, 'cb1'), [t 'isfield cpf.cb1']);
0185     t_ok(isstruct(r.cpf.cb1), [t 'isstruct cpf.cb1']);
0186     t_ok(isfield(r.cpf.cb1, 'initial'), [t 'isfield cpf.cb1.initial']);
0187     t_ok(isfield(r.cpf.cb1, 'iteration'), [t 'isfield cpf.cb1.iteration']);
0188     t_ok(isfield(r.cpf.cb1, 'final'), [t 'isfield cpf.cb1.final']);
0189     t_is(r.cpf.cb1.initial, 1, 12, [t 'r.cpf.cb1.initial']);
0190     t_is(r.cpf.cb1.iteration, iterations, 12, [t 'r.cpf.cb1.iterations']);
0191     t_is(r.cpf.cb1.final, 1, 12, [t 'r.cpf.cb1.final']);
0192     t_ok(isfield(r.cpf, 'cb2'), [t 'isfield cpf.cb2']);
0193     t_ok(isstruct(r.cpf.cb2), [t 'isstruct cpf.cb2']);
0194     t_ok(isfield(r.cpf.cb2, 'initial'), [t 'isfield cpf.cb2.initial']);
0195     t_ok(isfield(r.cpf.cb2, 'iteration'), [t 'isfield cpf.cb2.iteration']);
0196     t_ok(isfield(r.cpf.cb2, 'final'), [t 'isfield cpf.cb2.final']);
0197     t_is(r.cpf.cb2.initial, 20, 12, [t 'r.cpf.cb2.initial']);
0198     t_is(r.cpf.cb2.iteration, 2*iterations, 12, [t 'r.cpf.cb2.iterations']);
0199     t_is(r.cpf.cb2.final, 200, 12, [t 'r.cpf.cb2.final']);
0200 
0201     if have_fcn('octave')
0202         warning(s1.state, file_in_path_warn_id);
0203     end
0204 end
0205 
0206 t_end;
0207 
0208 if nargout
0209     res = r;
0210 end
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