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math_model_opf_accs.m
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math_model_opf_accs.m
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classdef math_model_opf_accs < mp.math_model_opf_acc
% mp.math_model_opf_accs - OPF **math model** for AC-cartesian-power formulation.
%
% Implements formulation-specific and OPF-specific node balance constraint
% and node balance price methods.
% MATPOWER
% Copyright (c) 2021-2024, Power Systems Engineering Research Center (PSERC)
% by Ray Zimmerman, PSERC Cornell
%
% This file is part of MATPOWER.
% Covered by the 3-clause BSD License (see LICENSE file for details).
% See https://matpower.org for more info.
% properties
% end
methods
function tag = form_tag(obj)
%
tag = 'accs';
end
function name = form_name(obj)
%
name = 'AC-cartesian-power';
end
function add_node_balance_constraints(obj, nm, dm, mpopt)
%
%% power balance constraints
nn = nm.node.N; %% number of nodes
fcn_mis = @(x)obj.nodal_power_balance_fcn(x, nm);
hess_mis = @(x, lam)obj.nodal_power_balance_hess(x, lam, nm);
obj.add_nln_constraint({'Pmis', 'Qmis'}, [nn;nn], 1, fcn_mis, hess_mis);
end
function [lam_p, lam_q] = node_power_balance_prices(obj, nm)
%
%% shadow prices on node power balance
nne = obj.get_idx('nle');
lambda = obj.soln.lambda;
lam_p = lambda.eqnonlin(nne.i1.Pmis:nne.iN.Pmis);
lam_q = lambda.eqnonlin(nne.i1.Qmis:nne.iN.Qmis);
end
end %% methods
end %% classdef