LargestGeneratorSlackBusSelectorTest.java
/**
* Copyright (c) 2022, 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.network;
import com.powsybl.iidm.network.Country;
import com.powsybl.iidm.network.Network;
import com.powsybl.iidm.network.test.FourSubstationsNodeBreakerFactory;
import com.powsybl.openloadflow.network.impl.LfNetworkLoaderImpl;
import org.junit.jupiter.api.Test;
import java.util.*;
import java.util.stream.Collectors;
import static org.junit.jupiter.api.Assertions.*;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
class LargestGeneratorSlackBusSelectorTest {
@Test
void test() {
var network = DistributedSlackNetworkFactory.create();
var lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(), new LargestGeneratorSlackBusSelector(5000)).get(0);
var slackBus = lfNetwork.getSlackBus();
assertEquals("b2_vl_0", slackBus.getId());
}
@Test
void testFictitiousGenerator() {
var network = DistributedSlackNetworkFactory.create();
network.getGenerator("g2").setFictitious(true);
var lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(), new LargestGeneratorSlackBusSelector(5000)).get(0);
var slackBus = lfNetwork.getSlackBus();
assertEquals("b3_vl_0", slackBus.getId());
}
@Test
void testNonPlausibleMaxP() {
var network = DistributedSlackNetworkFactory.create();
network.getGenerator("g2").setMaxP(10000);
var lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(), new LargestGeneratorSlackBusSelector(5000)).get(0);
var slackBus = lfNetwork.getSlackBus();
assertEquals("b3_vl_0", slackBus.getId());
}
@Test
void testMultipleSlacks() {
var network = DistributedSlackNetworkFactory.create();
var parameters = new LfNetworkParameters()
.setSlackBusSelector(new LargestGeneratorSlackBusSelector(5000))
.setMaxSlackBusCount(3);
var lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(), parameters).get(0);
var slackBusIds = lfNetwork.getSlackBuses().stream().map(LfBus::getId).collect(Collectors.toList());
assertEquals(List.of("b2_vl_0", "b3_vl_0", "b1_vl_0"), slackBusIds);
}
@Test
void testCountryToFiler() {
Network network = FourSubstationsNodeBreakerFactory.create();
LfNetwork lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(),
new LargestGeneratorSlackBusSelector(5000)).get(0);
LfBus slackBus = lfNetwork.getSlackBus();
assertEquals("S2VL1_0", slackBus.getId());
network.getSubstation("S1").setCountry(Country.FR);
network.getSubstation("S2").setCountry(Country.BE);
network.getSubstation("S3").setCountry(Country.FR);
network.getSubstation("S4").setCountry(Country.FR);
lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(),
new LargestGeneratorSlackBusSelector(5000, Collections.singleton(Country.FR))).get(0);
slackBus = lfNetwork.getSlackBus();
assertEquals("S3VL1_0", slackBus.getId());
lfNetwork = LfNetwork.load(network, new LfNetworkLoaderImpl(),
new LargestGeneratorSlackBusSelector(5000,
Set.of(Country.BE, Country.FR))).get(0);
slackBus = lfNetwork.getSlackBus();
assertEquals("S2VL1_0", slackBus.getId());
}
}