NonImpedantBranchWithBreakerIssueTest.java
/**
* Copyright (c) 2021, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.openloadflow.ac;
import com.powsybl.iidm.network.Bus;
import com.powsybl.iidm.network.Network;
import com.powsybl.math.matrix.DenseMatrixFactory;
import com.powsybl.openloadflow.network.*;
import com.powsybl.openloadflow.network.impl.Networks;
import org.junit.jupiter.api.Test;
import static org.junit.jupiter.api.Assertions.assertEquals;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
class NonImpedantBranchWithBreakerIssueTest {
@Test
void busBreakerAndNonImpedantBranchIssue() {
Network network = NodeBreakerNetworkFactory.create3barsAndJustOneVoltageLevel();
network.getGenerator("G1").newMinMaxReactiveLimits().setMaxQ(100).setMinQ(-100).add();
network.getGenerator("G2").newMinMaxReactiveLimits().setMaxQ(100).setMinQ(-100).add();
LfNetworkParameters networkParameters = new LfNetworkParameters()
.setBreakers(true);
LfNetwork lfNetwork = Networks.load(network, networkParameters).get(0);
AcLoadFlowParameters acLoadFlowParameters = new AcLoadFlowParameters()
.setNetworkParameters(networkParameters)
.setMatrixFactory(new DenseMatrixFactory());
try (var context = new AcLoadFlowContext(lfNetwork, acLoadFlowParameters)) {
new AcloadFlowEngine(context)
.run();
}
lfNetwork.updateState(new LfNetworkStateUpdateParameters(false, false, false, false, false, false, false, false, ReactivePowerDispatchMode.Q_EQUAL_PROPORTION, false, ReferenceBusSelectionMode.FIRST_SLACK, false));
for (Bus bus : network.getBusView().getBuses()) {
assertEquals(400, bus.getV(), 0);
assertEquals(0, bus.getAngle(), 0);
}
assertEquals(-100, network.getGenerator("G1").getTerminal().getQ(), 0);
assertEquals(-100, network.getGenerator("G2").getTerminal().getQ(), 0);
}
@Test
void busBreakerAndNonImpedantBranchIssueRef() {
Network network = NodeBreakerNetworkFactory.create3barsAndJustOneVoltageLevel();
LfNetworkParameters networkParameters = new LfNetworkParameters();
LfNetwork lfNetwork = Networks.load(network, networkParameters).get(0);
AcLoadFlowParameters acLoadFlowParameters = new AcLoadFlowParameters()
.setNetworkParameters(networkParameters)
.setMatrixFactory(new DenseMatrixFactory());
try (var context = new AcLoadFlowContext(lfNetwork, acLoadFlowParameters)) {
new AcloadFlowEngine(context)
.run();
}
lfNetwork.updateState(new LfNetworkStateUpdateParameters(false, false, false, false, false, false, false, false, ReactivePowerDispatchMode.Q_EQUAL_PROPORTION, false, ReferenceBusSelectionMode.FIRST_SLACK, false));
assertEquals(-100, network.getGenerator("G1").getTerminal().getQ(), 0);
assertEquals(-100, network.getGenerator("G2").getTerminal().getQ(), 0);
}
}