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DC Sensitivity analysis: add unit test on IEEE14 #555

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merged 2 commits into from
Jun 15, 2022
Merged

DC Sensitivity analysis: add unit test on IEEE14 #555

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6ffaf5d
Add unit test.
annetill Jun 14, 2022
14b78fb
Fix message.
annetill Jun 14, 2022
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2 changes: 1 addition & 1 deletion src/main/java/com/powsybl/openloadflow/network/impl/LfBranchImpl.java
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ private static LfBranchImpl createLine(Line line, LfNetwork network, LfBus bus1,
double nominalV2 = line.getTerminal2().getVoltageLevel().getNominalV();
double r1 = 1;
if (addRatioToLinesWithDifferentNominalVoltageAtBothEnds && nominalV1 != nominalV2) {
LOGGER.trace("Line '{}' has a different nominal voltage at both ends ({} and {}): add a ration", line.getId(), nominalV1, nominalV2);
LOGGER.trace("Line '{}' has a different nominal voltage at both ends ({} and {}): add a ratio", line.getId(), nominalV1, nominalV2);
report.linesWithDifferentNominalVoltageAtBothEnds++;
r1 = 1 / Transformers.getRatioPerUnitBase(line);
}
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22 changes: 22 additions & 0 deletions src/test/java/com/powsybl/openloadflow/sensi/dc/DcSensitivityAnalysisContingenciesTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -10,6 +10,7 @@
import com.powsybl.commons.config.PlatformConfig;
import com.powsybl.commons.reporter.Reporter;
import com.powsybl.contingency.*;
import com.powsybl.ieeecdf.converter.IeeeCdfNetworkFactory;
import com.powsybl.iidm.network.*;
import com.powsybl.iidm.network.extensions.HvdcAngleDroopActivePowerControlAdder;
import com.powsybl.iidm.network.test.PhaseShifterTestCaseFactory;
Expand Down Expand Up @@ -2078,4 +2079,25 @@ void testContingencyOnHvdcInAcEmulation() {
assertEquals(result2.getBranchFlow1FunctionReferenceValue(null, "l25"), result.getBranchFlow1FunctionReferenceValue("hvdc34", "l25"), LoadFlowAssert.DELTA_POWER);
assertEquals(result2.getBranchFlow1FunctionReferenceValue(null, "l56"), result.getBranchFlow1FunctionReferenceValue("hvdc34", "l56"), LoadFlowAssert.DELTA_POWER);
}

@Test
void testIeeeCdf14() {
Network network = IeeeCdfNetworkFactory.create14();
network.getGeneratorStream().forEach(gen -> gen.setMaxP(5000));
SensitivityAnalysisParameters sensiParameters = createParameters(true);
sensiParameters.getLoadFlowParameters().getExtension(OpenLoadFlowParameters.class).setAddRatioToLinesWithDifferentNominalVoltageAtBothEnds(false);
List<SensitivityFactor> factors = createFactorMatrix(Stream.of("B1-G", "B2-G", "B3-G").map(network::getGenerator).collect(Collectors.toList()),
Stream.of("L1-5-1", "L2-3-1").map(network::getBranch).collect(Collectors.toList()));
List<Contingency> contingencies = List.of(new Contingency("L1-2-1", new BranchContingency("L1-2-1")));
SensitivityAnalysisResult result = sensiRunner.run(network, factors, contingencies, Collections.emptyList(), sensiParameters);

assertEquals(72.247, result.getBranchFlow1FunctionReferenceValue(null, "L1-5-1"), LoadFlowAssert.DELTA_POWER);
assertEquals(69.831, result.getBranchFlow1FunctionReferenceValue(null, "L2-3-1"), LoadFlowAssert.DELTA_POWER);

sensiParameters.getLoadFlowParameters().getExtension(OpenLoadFlowParameters.class).setAddRatioToLinesWithDifferentNominalVoltageAtBothEnds(true);
SensitivityAnalysisResult result2 = sensiRunner.run(network, factors, contingencies, Collections.emptyList(), sensiParameters);

assertEquals(72.224, result2.getBranchFlow1FunctionReferenceValue(null, "L1-5-1"), LoadFlowAssert.DELTA_POWER);
assertEquals(69.850, result2.getBranchFlow1FunctionReferenceValue(null, "L2-3-1"), LoadFlowAssert.DELTA_POWER);
}
}