Beispiel #1
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    def test_solution(self):
        """ Test AC OPF solution.
        """
        msg = self.case_name
        solution = self.solver.solve()
        lmbda = solution["lmbda"]

        f = mmread(join(DATA_DIR, self.case_name, "opf", "f_AC.mtx"))
        x = mmread(join(DATA_DIR, self.case_name, "opf", "x_AC.mtx"))

        diff = 1e-4

        # FIXME: Improve accuracy.
        self.assertAlmostEqual(solution["f"], f[0], places=3)
        self.assertTrue(mfeq1(solution["x"], x.flatten(), diff))

        if len(lmbda["mu_l"]) > 0:
            mu_l = mmread(join(DATA_DIR, self.case_name, "opf", "mu_l_AC.mtx"))
            self.assertTrue(mfeq1(lmbda["mu_l"], mu_l.flatten(), diff), msg)

        if len(lmbda["mu_u"]) > 0:
            mu_u = mmread(join(DATA_DIR, self.case_name, "opf", "mu_u_AC.mtx"))
            self.assertTrue(mfeq1(lmbda["mu_u"], mu_u.flatten(), diff), msg)

        if len(lmbda["lower"]) > 0:
            muLB = mmread(join(DATA_DIR, self.case_name, "opf", "muLB_AC.mtx"))
            # FIXME: Improve accuracy.
            self.assertTrue(mfeq1(lmbda["lower"], muLB.flatten(), diff), msg)

        if len(lmbda["upper"]) > 0:
            muUB = mmread(join(DATA_DIR, self.case_name, "opf", "muUB_AC.mtx"))
            # FIXME: Improve accuracy.
            self.assertTrue(mfeq1(lmbda["upper"], muUB.flatten(), diff), msg)
Beispiel #2
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    def test_var_bounds(self):
        """ Test bounds on optimisation variables.
        """
        msg = self.case_name
        _, xmin, xmax = self.solver._var_bounds()

        mpxmin = mmread(join(DATA_DIR, self.case_name, "opf", "xmin_AC.mtx"))
        mpxmax = mmread(join(DATA_DIR, self.case_name, "opf", "xmax_AC.mtx"))

        self.assertTrue(mfeq1(xmin, mpxmin.flatten()), msg)
        self.assertTrue(mfeq1(xmax, mpxmax.flatten()), msg)
Beispiel #3
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    def test_var_bounds(self):
        """ Test bounds on optimisation variables.
        """
        _, xmin, xmax = self.solver._var_bounds()

#        mpx0 = mmread(join(DATA_DIR, self.case_name, "opf", "x0_DC.mtx"))
        mpxmin = mmread(join(DATA_DIR, self.case_name, "opf", "xmin_DC.mtx"))
        mpxmax = mmread(join(DATA_DIR, self.case_name, "opf", "xmax_DC.mtx"))

#        self.assertTrue(alltrue(x0 == mpx0.flatten()), self.case_name)
        self.assertTrue(mfeq1(xmin, mpxmin.flatten()), self.case_name)
        self.assertTrue(mfeq1(xmax, mpxmax.flatten()), self.case_name)
Beispiel #4
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    def test_constraints(self):
        """ Test equality and inequality constraints.
        """
        AA, ll, uu = self.solver._linear_constraints(self.om)

        mpA = mmread(join(DATA_DIR, self.case_name, "opf", "A_DC.mtx"))
        mpl = mmread(join(DATA_DIR, self.case_name, "opf", "l_DC.mtx"))
        mpu = mmread(join(DATA_DIR, self.case_name, "opf", "u_DC.mtx"))

        self.assertTrue(mfeq2(AA, mpA.tocsr()), self.case_name)
        self.assertTrue(mfeq1(ll, mpl.flatten()), self.case_name)
        self.assertTrue(mfeq1(uu, mpu.flatten()), self.case_name)
Beispiel #5
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    def testVa(self):
        """ Test voltage angle variable.
        """
        msg = self.case_name
        bs, _, _ = self.opf._remove_isolated(self.case)
        _, refs = self.opf._ref_check(self.case)
        Va = self.opf._get_voltage_angle_var(refs, bs)

        mpVa0 = mmread(join(DATA_DIR, self.case_name, "opf", "Va0.mtx"))
        mpVal = mmread(join(DATA_DIR, self.case_name, "opf", "Val.mtx"))
        mpVau = mmread(join(DATA_DIR, self.case_name, "opf", "Vau.mtx"))

        self.assertTrue(mfeq1(Va.v0, mpVa0.flatten()), msg)
        self.assertTrue(mfeq1(Va.vl, mpVal.flatten()), msg)
        self.assertTrue(mfeq1(Va.vu, mpVau.flatten()), msg)
Beispiel #6
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    def testPg(self):
        """ Test active power variable.
        """
        msg = self.case_name
        self.case.sort_generators() # ext2int
        _, _, gn = self.opf._remove_isolated(self.case)
        Pg = self.opf._get_pgen_var(gn, self.case.base_mva)

        mpPg0 = mmread(join(DATA_DIR, self.case_name, "opf", "Pg0.mtx"))
        mpPmin = mmread(join(DATA_DIR, self.case_name, "opf", "Pmin.mtx"))
        mpPmax = mmread(join(DATA_DIR, self.case_name, "opf", "Pmax.mtx"))

        self.assertTrue(mfeq1(Pg.v0, mpPg0.flatten()), msg)
        self.assertTrue(mfeq1(Pg.vl, mpPmin.flatten()), msg)
        self.assertTrue(mfeq1(Pg.vu, mpPmax.flatten()), msg)
Beispiel #7
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    def testVLConstPF(self):
        """ Test dispatchable load, constant power factor constraints.
        """
        msg = self.case_name
        _, _, gn = self.opf._remove_isolated(self.case)
        vl = self.opf._const_pf_constraints(gn, self.case.base_mva)

        if vl.A.shape[0] != 0:
            Avl = mmread(join(DATA_DIR, self.case_name, "opf", "Avl.mtx"))
            self.assertTrue(mfeq2(vl.A, Avl.tocsr()), msg)

        lvl = mmread(join(DATA_DIR, self.case_name, "opf", "lang.mtx"))
        self.assertTrue(mfeq1(vl.l, lvl.flatten()), msg)

        uvl = mmread(join(DATA_DIR, self.case_name, "opf", "uang.mtx"))
        self.assertTrue(mfeq1(vl.u, uvl.flatten()), msg)
Beispiel #8
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    def testPfPt(self):
        """ Test branch flow limit constraints.
        """
        msg = self.case_name
        _, ln, _ = self.opf._remove_isolated(self.case)
        _, Bf, _, Pfinj = self.case.Bdc
        Pf, Pt = self.opf._branch_flow_dc(ln, Bf, Pfinj, self.case.base_mva)

        lpf = mmread(join(DATA_DIR, self.case_name, "opf", "lpf.mtx"))
        upf = mmread(join(DATA_DIR, self.case_name, "opf", "upf.mtx"))
        upt = mmread(join(DATA_DIR, self.case_name, "opf", "upt.mtx"))

        self.assertTrue(mfeq1(Pf.l, lpf.flatten()), msg)
        self.assertTrue(mfeq1(Pf.u, upf.flatten()), msg)
        self.assertTrue(mfeq1(Pt.l, lpf.flatten()), msg)
        self.assertTrue(mfeq1(Pt.u, upt.flatten()), msg)
Beispiel #9
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    def testPmis(self):
        """ Test active power mismatch constraints.
        """
        msg = self.case_name
        case = self.case
        case.sort_generators() # ext2int
        B, _, Pbusinj, _ = case.Bdc
        bs, _, gn = self.opf._remove_isolated(case)
        Pmis = self.opf._power_mismatch_dc(bs, gn, B, Pbusinj, case.base_mva)

        mpAmis = mmread(join(DATA_DIR, self.case_name, "opf", "Amis.mtx"))
        mpbmis = mmread(join(DATA_DIR, self.case_name, "opf", "bmis.mtx"))

        self.assertTrue(mfeq2(Pmis.A, mpAmis.tocsr(), 1e-12), msg)
        self.assertTrue(mfeq1(Pmis.l, mpbmis.flatten()), msg)
        self.assertTrue(mfeq1(Pmis.u, mpbmis.flatten()), msg)
Beispiel #10
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    def testNewtonV(self):
        """ Test the voltage vector solution from Newton's method.
        """
        solution = NewtonPF(self.case).solve()

        mpV = mmread(join(DATA_DIR, self.case_name, "V_Newton.mtx")).flatten()

        self.assertTrue(mfeq1(solution["V"], mpV), self.case_name)
Beispiel #11
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    def testVm(self):
        """ Test voltage magnitude variable.
        """
        bs, _, gn = self.opf._remove_isolated(self.case)
        Vm = self.opf._get_voltage_magnitude_var(bs, gn)

        mpVm0 = mmread(join(DATA_DIR, self.case_name, "opf", "Vm0.mtx"))

        self.assertTrue(mfeq1(Vm.v0, mpVm0.flatten()), self.case_name)
Beispiel #12
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    def testFastDecoupledPFVBX(self):
        """ Test the voltage vector solution from the fast-decoupled method
            (BX version).
        """
        solution = FastDecoupledPF(self.case, method=BX).solve()

        mpV = mmread(join(DATA_DIR, self.case_name, "V_BX.mtx")).flatten()

        self.assertTrue(mfeq1(solution["V"], mpV), self.case_name)
Beispiel #13
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    def testVang(self):
        """ Test voltage angle difference limit constraint.
        """
        msg = self.case_name
        self.opf.ignore_ang_lim = False
        bs, ln, _ = self.opf._remove_isolated(self.case)
        ang = self.opf._voltage_angle_diff_limit(bs, ln)

        if ang.A.shape[0] != 0:
            Aang = mmread(join(DATA_DIR, self.case_name, "opf", "Aang.mtx"))
        else:
            Aang = None
        lang = mmread(join(DATA_DIR, self.case_name, "opf", "lang.mtx"))
        uang = mmread(join(DATA_DIR, self.case_name, "opf", "uang.mtx"))

        if Aang is not None:
            self.assertTrue(mfeq2(ang.A, Aang.tocsr()), msg)
        self.assertTrue(mfeq1(ang.l, lang.flatten()), msg)
        self.assertTrue(mfeq1(ang.u, uang.flatten()), msg)
Beispiel #14
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    def test_pwl_costs(self):
        """ Test piecewise linear costs.
        """
        msg = self.case_name
        b, l, g, _ = self.solver._unpack_model(self.om)
        _, ipwl, _, _, _, ny, nxyz = self.solver._dimension_data(b, l, g)
        Npwl, Hpwl, Cpwl, fparm_pwl, _ = \
            self.solver._pwl_costs(ny, nxyz, ipwl)

        if Npwl is not None:
            mpNpwl = mmread(join(DATA_DIR, self.case_name, "opf", "Npwl.mtx"))
            mpHpwl = mmread(join(DATA_DIR, self.case_name, "opf", "Hpwl.mtx"))
            mpCpwl = mmread(join(DATA_DIR, self.case_name, "opf", "Cpwl.mtx"))
            mpfparm = mmread(join(DATA_DIR, self.case_name, "opf","fparm_pwl.mtx"))

            self.assertTrue(mfeq2(Npwl, mpNpwl.tocsr()), msg)
            self.assertTrue(mfeq2(Hpwl.todense(), mpHpwl), msg)
            self.assertTrue(mfeq1(Cpwl, mpCpwl.flatten()), msg)
            self.assertTrue(mfeq1(fparm_pwl.flatten(), mpfparm.flatten()), msg)
Beispiel #15
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    def test_initial_point(self):
        """ Test selection of an initial interior point.
        """
        b, l, g, _ = self.solver._unpack_model(self.om)
        _, LB, UB = self.solver._var_bounds()
        _, _, _, _, _, ny, _ = self.solver._dimension_data(b, l, g)
        x0 = self.solver._initial_interior_point(b, g, LB, UB, ny)

        mpx0 = mmread(join(DATA_DIR, self.case_name, "opf", "x0_AC.mtx"))

        self.assertTrue(mfeq1(x0, mpx0.flatten()), self.case_name)
Beispiel #16
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    def testV0(self):
        """ Test the initial voltage vector.
        """
        solver = _ACPF(self.case)
        b, _, g, _, _, _, _ = solver._unpack_case(self.case)
        self.case.index_buses(b)

        V0 = solver._initial_voltage(b, g)

        mpV0 = mmread(join(DATA_DIR, self.case_name, "V0.mtx")).flatten()

        self.assertTrue(mfeq1(V0, mpV0), self.case_name)
Beispiel #17
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    def test_solution(self):
        """ Test DC OPF solution.
        """
        msg = self.case_name
        solution = self.solver.solve()
        lmbda = solution["lmbda"]

        mpf = mmread(join(DATA_DIR, self.case_name, "opf", "f_DC.mtx"))
        mpx = mmread(join(DATA_DIR, self.case_name, "opf", "x_DC.mtx"))
        mpmu_l = mmread(join(DATA_DIR, self.case_name, "opf", "mu_l_DC.mtx"))
        mpmu_u = mmread(join(DATA_DIR, self.case_name, "opf", "mu_u_DC.mtx"))
        mpmuLB = mmread(join(DATA_DIR, self.case_name, "opf", "muLB_DC.mtx"))
        mpmuUB = mmread(join(DATA_DIR, self.case_name, "opf", "muUB_DC.mtx"))

        diff = 1e-09

        self.assertAlmostEqual(solution["f"], mpf[0], places=6)
        self.assertTrue(mfeq1(solution["x"], mpx.flatten(), diff), msg)
        self.assertTrue(mfeq1(lmbda["mu_l"], mpmu_l.flatten(), diff), msg)
        self.assertTrue(mfeq1(lmbda["mu_u"], mpmu_u.flatten(), diff), msg)
        self.assertTrue(mfeq1(lmbda["lower"], mpmuLB.flatten(), diff), msg)
        self.assertTrue(mfeq1(lmbda["upper"], mpmuUB.flatten(), diff), msg)
Beispiel #18
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    def testAy(self):
        """ Test basin constraints for piece-wise linear gen cost variables.
        """
        msg = self.case_name
        self.case.sort_generators() # ext2int
        _, _, gn = self.opf._remove_isolated(self.case)
        _, ycon = self.opf._pwl_gen_costs(gn, self.case.base_mva)

        if ycon is not None:
            Ay = mmread(join(DATA_DIR, self.case_name, "opf", "Ay_DC.mtx"))
            by = mmread(join(DATA_DIR, self.case_name, "opf", "by_DC.mtx"))

            self.assertTrue(mfeq2(ycon.A, Ay.tocsr()), msg)
            self.assertTrue(mfeq1(ycon.u, by.flatten()), msg)
Beispiel #19
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    def test_poly_costs(self):
        """ Test quadratic costs.
        """
        msg = self.case_name
        base_mva = self.om.case.base_mva
        b, l, g, _ = self.solver._unpack_model(self.om)
        ipol, _, _, _, _, _, nxyz = self.solver._dimension_data(b, l, g)
        Npol, Hpol, Cpol, fparm_pol, _, _ = \
            self.solver._quadratic_costs(g, ipol, nxyz, base_mva)

        if Npol is not None:
            mpNpol = mmread(join(DATA_DIR, self.case_name, "opf", "Npol.mtx"))
            mpHpol = mmread(join(DATA_DIR, self.case_name, "opf", "Hpol.mtx"))
            mpCpol = mmread(join(DATA_DIR, self.case_name, "opf", "Cpol.mtx"))
            mpfparm = mmread(join(DATA_DIR, self.case_name, "opf","fparm_pol.mtx"))

            self.assertTrue(mfeq2(Npol, mpNpol.tocsr()), msg)
            self.assertTrue(mfeq2(Hpol, mpHpol.tocsr()), msg)
            self.assertTrue(mfeq1(Cpol, mpCpol.flatten()), msg)
            self.assertTrue(mfeq2(fparm_pol, mpfparm), msg)
Beispiel #20
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    def test_combine_costs(self):
        """ Test combination of pwl and poly costs.
        """
        msg = self.case_name
        base_mva = self.om.case.base_mva
        b, l, g, _ = self.solver._unpack_model(self.om)
        ipol, ipwl, _, _, nw, ny, nxyz = self.solver._dimension_data(b, l, g)
        Npwl, Hpwl, Cpwl, fparm_pwl, any_pwl = self.solver._pwl_costs(ny, nxyz,
                                                                      ipwl)
        Npol, Hpol, Cpol, fparm_pol, _, npol = \
            self.solver._quadratic_costs(g, ipol, nxyz, base_mva)
        NN, HHw, CCw, ffparm = \
            self.solver._combine_costs(Npwl, Hpwl, Cpwl, fparm_pwl, any_pwl,
                                       Npol, Hpol, Cpol, fparm_pol, npol, nw)

        mpNN = mmread(join(DATA_DIR, self.case_name, "opf", "NN.mtx"))
        mpHHw = mmread(join(DATA_DIR, self.case_name, "opf", "HHw.mtx"))
        mpCCw = mmread(join(DATA_DIR, self.case_name, "opf", "CCw.mtx"))
        mpffparm = mmread(join(DATA_DIR, self.case_name, "opf", "ffparm.mtx"))

        self.assertTrue(mfeq2(NN, mpNN.tocsr()), msg)
        self.assertTrue(mfeq2(HHw, mpHHw.tocsr()), msg)
        self.assertTrue(mfeq1(CCw, mpCCw.flatten()), msg)
        self.assertTrue(mfeq2(ffparm, mpffparm), msg)
Beispiel #21
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    def test_coefficient_transformation(self):
        """ Test transformation of quadratic coefficients for w into
            coefficients for X.
        """
        msg = self.case_name
        base_mva = self.om.case.base_mva
        b, l, g, _ = self.solver._unpack_model(self.om)
        ipol, ipwl, _, _, nw, ny, nxyz = self.solver._dimension_data(b, l, g)
        Npwl, Hpwl, Cpwl, fparm_pwl, any_pwl = \
            self.solver._pwl_costs(ny, nxyz, ipwl)
        Npol, Hpol, Cpol, fparm_pol, polycf, npol = \
            self.solver._quadratic_costs(g, ipol, nxyz, base_mva)
        NN, HHw, CCw, ffparm = \
            self.solver._combine_costs(Npwl, Hpwl, Cpwl, fparm_pwl, any_pwl,
                                       Npol, Hpol, Cpol, fparm_pol, npol, nw)
        HH, CC, _ = \
            self.solver._transform_coefficients(NN, HHw, CCw, ffparm, polycf,
                                                any_pwl, npol, nw)

        mpHH = mmread(join(DATA_DIR, self.case_name, "opf", "HH.mtx"))
        mpCC = mmread(join(DATA_DIR, self.case_name, "opf", "CC.mtx"))

        self.assertTrue(mfeq2(HH, mpHH.tocsr()), msg)
        self.assertTrue(mfeq1(CC, mpCC.flatten()), msg)