AutomationSystemTest.java
/**
* Copyright (c) 2023, 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.*;
import com.powsybl.loadflow.LoadFlow;
import com.powsybl.loadflow.LoadFlowParameters;
import com.powsybl.loadflow.LoadFlowResult;
import com.powsybl.math.matrix.DenseMatrixFactory;
import com.powsybl.openloadflow.OpenLoadFlowParameters;
import com.powsybl.openloadflow.OpenLoadFlowProvider;
import com.powsybl.openloadflow.network.AutomationSystemNetworkFactory;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import static com.powsybl.openloadflow.util.LoadFlowAssert.assertCurrentEquals;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
class AutomationSystemTest {
private LoadFlow.Runner loadFlowRunner;
private LoadFlowParameters parameters;
@BeforeEach
void setUp() {
loadFlowRunner = new LoadFlow.Runner(new OpenLoadFlowProvider(new DenseMatrixFactory()));
parameters = new LoadFlowParameters();
OpenLoadFlowParameters.create(parameters)
.setSimulateAutomationSystems(true);
}
@Test
void testSwitchTripping() {
Network network = AutomationSystemNetworkFactory.create();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
assertCurrentEquals(298.953, l12.getTerminal1());
assertCurrentEquals(34.333, l34.getTerminal1()); // no more loop in LV network
assertTrue(network.getSwitch("br1").isOpen());
}
@Test
void testSwitchTripping2() {
Network network = AutomationSystemNetworkFactory.createWithSwitchToClose();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
assertCurrentEquals(175.408, l12.getTerminal1());
assertCurrentEquals(378.417, l34.getTerminal1());
assertFalse(network.getSwitch("br1").isOpen());
}
@Test
void testBranchTripping() {
Network network = AutomationSystemNetworkFactory.createWithBranchTripping();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
Line l33p = network.getLine("l33p");
assertCurrentEquals(298.973, l12.getTerminal1());
assertCurrentEquals(298.973, l12.getTerminal2());
assertCurrentEquals(34.448, l34.getTerminal1());
assertTrue(Double.isNaN(l33p.getTerminal1().getI()));
assertTrue(Double.isNaN(l33p.getTerminal2().getI()));
// both sides are disconnected after simulation and not only side two as expected.
assertFalse(l33p.getTerminal1().isConnected());
assertFalse(l33p.getTerminal2().isConnected());
}
@Test
void testBranchTripping2() {
Network network = AutomationSystemNetworkFactory.createWithBranchTripping2();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
Line l33p = network.getLine("l33p");
assertCurrentEquals(207.012, l12.getTerminal1());
assertCurrentEquals(272.484, l34.getTerminal1());
assertCurrentEquals(305.65, l33p.getTerminal1());
// both sides are re-connected after simulation and not only side two as expected.
assertTrue(l33p.getTerminal1().isConnected());
assertTrue(l33p.getTerminal2().isConnected());
}
@Test
void testNoTripping() {
Network network = AutomationSystemNetworkFactory.createWithBadAutomationSystems();
Substation s1 = network.getSubstation("s1");
s1.newOverloadManagementSystem()
.setId("l34_opens_l12")
.setEnabled(true)
.setMonitoredElementId("l56")
.setMonitoredElementSide(ThreeSides.ONE)
.newBranchTripping()
.setKey("l33p key")
.setBranchToOperateId("l33p")
.setSideToOperate(TwoSides.TWO)
.setCurrentLimit(200.)
.add()
.add();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
assertCurrentEquals(207.012, l12.getTerminal1());
assertCurrentEquals(272.485, l34.getTerminal1());
assertTrue(network.getLine("l33p").getTerminal1().isConnected());
assertTrue(network.getLine("l33p").getTerminal2().isConnected());
}
@Test
void testNoTripping2() {
Network network = AutomationSystemNetworkFactory.createWithBadAutomationSystems();
Substation s1 = network.getSubstation("s1");
s1.newOverloadManagementSystem()
.setId("l34_opens_l12")
.setEnabled(true)
.setMonitoredElementId("l34")
.setMonitoredElementSide(ThreeSides.ONE)
.newBranchTripping()
.setKey("key")
.setBranchToOperateId("l56")
.setSideToOperate(TwoSides.TWO)
.setCurrentLimit(200.)
.add()
.add();
LoadFlowResult result = loadFlowRunner.run(network, parameters);
assertSame(LoadFlowResult.ComponentResult.Status.CONVERGED, result.getComponentResults().get(0).getStatus());
Line l12 = network.getLine("l12");
Line l34 = network.getLine("l34");
assertCurrentEquals(207.012, l12.getTerminal1());
assertCurrentEquals(272.485, l34.getTerminal1());
assertTrue(network.getLine("l33p").getTerminal1().isConnected());
assertTrue(network.getLine("l33p").getTerminal2().isConnected());
}
}