diff --git a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/TransformerConversionTest.java b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/TransformerConversionTest.java
index 18160be481b..4a8eefb15ff 100644
--- a/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/TransformerConversionTest.java
+++ b/cgmes/cgmes-conversion/src/test/java/com/powsybl/cgmes/conversion/test/TransformerConversionTest.java
@@ -46,165 +46,134 @@ class TransformerConversionTest {
     private static final String DIR = "/issues/transformers/";
 
     @Test
-    void microGridBaseCaseBExfmr2ShuntDefault() {
-        Conversion.Config config = new Conversion.Config();
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
+    void t2wDefaultConfigTest() {
+        // Load network model with default config
+        Network n = networkModel(twoWindingTransformers());
+
+        // TRA is a transformer with a RatioTapChanger, PST is a phase shifter with PhaseTapChanger
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 927.034612, -339.274880, -911.542354, 422.345850));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2ShuntEnd1() {
+    void t2wShuntEnd1Test() {
+        // All shunt admittances to ground (g, b) at end1 (before transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2Shunt(Xfmr2ShuntInterpretationAlternative.END1);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2ShuntEnd2() {
+    void t2wShuntEnd2Test() {
+        // All shunt admittances to ground (g, b) at end2 (after transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2Shunt(Xfmr2ShuntInterpretationAlternative.END2);
-        // Same result as End1, IIDM model and LoadFlowParameters does not allow this configuration
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        // Same result as end1, IIDM model and LoadFlowParameters does not allow this configuration
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2ShuntEnd1End2() {
+    void t2wShuntEnd1End2Test() {
+        // Shunt admittances to ground (g, b) at the end where they are defined in Cgmes model
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2Shunt(Xfmr2ShuntInterpretationAlternative.END1_END2);
-        // Same result as End1, IIDM model and LoadFlowParameters does not allow this configuration
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        // Same result as end1, IIDM model and LoadFlowParameters does not allow this configuration
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2ShuntSplit() {
+    void t2wShuntSplitTest() {
+        // Split shunt admittances to ground (g, b) between end1 and end2.
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2Shunt(Xfmr2ShuntInterpretationAlternative.SPLIT);
         config.setXfmr3Shunt(Xfmr3ShuntInterpretationAlternative.SPLIT);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.970891, -15.839366, 94.275697, 20.952066);
-        assertTrue(ok);
-    }
+        Network n = networkModel(twoWindingTransformers(), config);
 
-    @Test
-    void microGridBaseCaseBExfmr2RatioPhaseDefault() {
-        Conversion.Config config = new Conversion.Config();
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        assertTrue(t2xCompareFlow(n, "TRA", -93.970891, -15.839366, 94.275697, 20.952066));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2RatioPhaseEnd1() {
+    void t2wRatioPhaseEnd1Test() {
+        // All tapChangers (ratioTapChanger and phaseTapChanger) are considered at end1 (before transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2RatioPhase(Xfmr2RatioPhaseInterpretationAlternative.END1);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -91.807775, 98.389959, 92.184500, -89.747219);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -91.807775, 98.389959, 92.184500, -89.747219));
+        assertTrue(t2xCompareFlow(n, "PST", 927.034612, -339.274880, -911.542354, 422.345850));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2RatioPhaseEnd2() {
+    void t2wRatioPhaseEnd2Test() {
+        // All tapChangers (ratioTapChanger and phaseTapChanger) are considered at end2 (after transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2RatioPhase(Xfmr2RatioPhaseInterpretationAlternative.END2);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 58.877292, -201.626411, -58.176878, 205.382102);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 58.877292, -201.626411, -58.176878, 205.382102));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2RatioPhaseEnd1End2() {
+    void t2wRatioPhaseEnd1End2Test() {
+        // TapChangers (ratioTapChanger and phaseTapChanger) are considered at the end where they are defined in CGMES
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2RatioPhase(Xfmr2RatioPhaseInterpretationAlternative.END1_END2);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 927.034612, -339.274880, -911.542354, 422.345850));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2RatioPhaseX() {
+    void t2wRatioPhaseXTest() {
+        // If x1 == 0 all tapChangers (ratioTapChanger and phaseTapChanger) are considered at the end1
+        // otherwise they are considered at end2
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2RatioPhase(Xfmr2RatioPhaseInterpretationAlternative.X);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 58.877292, -201.626411, -58.176878, 205.382102);
-        assertTrue(ok);
-    }
+        Network n = networkModel(twoWindingTransformers(), config);
 
-    @Test
-    void microGridBaseCaseBExfmr2Ratio0Default() {
-        Conversion.Config config = new Conversion.Config();
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 58.877292, -201.626411, -58.176878, 205.382102));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2Ratio0End1() {
+    void t2wRatio0End1Test() {
+        // Structural ratio always at end1 (before transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2StructuralRatio(Xfmr2StructuralRatioInterpretationAlternative.END1);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -0.849849, -0.138409, 0.852591, 0.184615);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 70.106993, -25.657663, -68.935391, 31.939905);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -0.849849, -0.138409, 0.852591, 0.184615));
+        assertTrue(t2xCompareFlow(n, "PST", 70.106993, -25.657663, -68.935391, 31.939905));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2Ratio0End2() {
+    void t2wRatio0End2Test() {
+        // Structural ratio always at end2 (after transmission impedance)
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2StructuralRatio(Xfmr2StructuralRatioInterpretationAlternative.END2);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 927.034612, -339.274880, -911.542354, 422.345850));
     }
 
     @Test
-    void microGridBaseCaseBExfmr2Ratio0X() {
+    void t2wRatio0XTest() {
+        // If x1 == 0 structural ratio at end1, otherwise at end2
         Conversion.Config config = new Conversion.Config();
         config.setXfmr2StructuralRatio(Xfmr2StructuralRatioInterpretationAlternative.X);
-        Network n = networkModel(CgmesConformity1Catalog.microGridBaseCaseBE(), config);
-        // RatioTapChanger
-        boolean ok = t2xCompareFlow(n, "e482b89a-fa84-4ea9-8e70-a83d44790957", -93.855301, -15.285520, 94.158074, 20.388478);
-        assertTrue(ok);
-        // PhaseTapChanger
-        ok = t2xCompareFlow(n, "a708c3bc-465d-4fe7-b6ef-6fa6408a62b0", 927.034612, -339.274880, -911.542354, 422.345850);
-        assertTrue(ok);
+        Network n = networkModel(twoWindingTransformers(), config);
+
+        assertTrue(t2xCompareFlow(n, "TRA", -93.855301, -15.285520, 94.158074, 20.388478));
+        assertTrue(t2xCompareFlow(n, "PST", 927.034612, -339.274880, -911.542354, 422.345850));
     }
 
     /**
@@ -339,7 +308,7 @@ void microGridBaseCaseBExfmr3Ratio0End3() {
     @Test
     void phaseAngleClockTest() {
         // A 2w- and a 3w-transformer with non-null phase angle clock value on respectively 2nd and 3rd winding
-        Network n = networkModelWithPhaseAngleClock(phaseAngleClock("PhaseAngleClock_EQ.xml"));
+        Network n = networkModel(phaseAngleClock("PhaseAngleClock_EQ.xml"), new PhaseAngleClock());
 
         // Phase angle clock values have been correctly read
         assertEquals(5, n.getTwoWindingsTransformer("T2W").getExtension(TwoWindingsTransformerPhaseAngleClock.class).getPhaseAngleClock());
@@ -354,7 +323,7 @@ void phaseAngleClockTest() {
     @Test
     void phaseAngleClockAllZeroTest() {
         // The same 2w- and a 3w-transformer as in phaseAngleClockTest() but with all phase angle clock equal to 0
-        Network n = networkModelWithPhaseAngleClock(phaseAngleClock("PhaseAngleClock_EQ_AllZero.xml"));
+        Network n = networkModel(phaseAngleClock("PhaseAngleClock_EQ_AllZero.xml"), new PhaseAngleClock());
 
         // No phase angle clock extension has been created since all values are equal to 0
         assertNull(n.getTwoWindingsTransformer("T2W").getExtension(TwoWindingsTransformerPhaseAngleClock.class));
@@ -368,7 +337,7 @@ void phaseAngleClockAllZeroTest() {
     @Test
     void phaseAngleClockAllNonZeroTest() {
         // The same 2w- and a 3w-transformer as in phaseAngleClockTest() but with non-null phase angle clock value on all windings
-        Network n = networkModelWithPhaseAngleClock(phaseAngleClock("PhaseAngleClock_EQ_AllNonZero.xml"));
+        Network n = networkModel(phaseAngleClock("PhaseAngleClock_EQ_AllNonZero.xml"), new PhaseAngleClock());
 
         // Non-null phase angle clock values on 1st winding are discarded, the other ones are correctly read
         assertEquals(5, n.getTwoWindingsTransformer("T2W").getExtension(TwoWindingsTransformerPhaseAngleClock.class).getPhaseAngleClock());
@@ -436,20 +405,24 @@ private boolean t3xCompareFlow(Network n, String id, double p1, double q1, doubl
         return ok;
     }
 
-    private Network networkModelWithPhaseAngleClock(GridModelReference gridModelReference) {
+    private Network networkModel(GridModelReference gridModelReference) {
+        return networkModel(gridModelReference, new Conversion.Config(), Collections.emptyList());
+    }
+
+    private Network networkModel(GridModelReference gridModelReference, CgmesImportPostProcessor postProcessor) {
         List<CgmesImportPostProcessor> postProcessors = new ArrayList<>();
-        postProcessors.add(new PhaseAngleClock());
+        postProcessors.add(postProcessor);
 
         return networkModel(gridModelReference, new Conversion.Config(), postProcessors);
     }
 
-    private Network networkModel(GridModelReference testGridModel, Conversion.Config config) {
-        return networkModel(testGridModel, config, Collections.emptyList());
+    private Network networkModel(GridModelReference gridModelReference, Conversion.Config config) {
+        return networkModel(gridModelReference, config, Collections.emptyList());
     }
 
-    private Network networkModel(GridModelReference testGridModel, Conversion.Config config, List<CgmesImportPostProcessor> postProcessors) {
+    private Network networkModel(GridModelReference gridModelReference, Conversion.Config config, List<CgmesImportPostProcessor> postProcessors) {
         config.setConvertSvInjections(true);
-        Network n = ConversionUtil.networkModel(testGridModel, config, postProcessors);
+        Network n = ConversionUtil.networkModel(gridModelReference, config, postProcessors);
 
         double threshold = 0.01;
         ValidationConfig vconfig = loadFlowValidationConfig(threshold);
@@ -459,6 +432,17 @@ private Network networkModel(GridModelReference testGridModel, Conversion.Config
         return n;
     }
 
+    private GridModelReferenceResources twoWindingTransformers() {
+        return new GridModelReferenceResources(
+                "TwoWindingsTransformers",
+                null,
+                new ResourceSet(DIR,
+                        "TwoWindingsTransformers_EQ.xml",
+                        "TwoWindingsTransformers_SSH.xml",
+                        "TwoWindingsTransformers_SV.xml",
+                        "TwoWindingsTransformers_TP.xml"));
+    }
+
     private GridModelReferenceResources phaseAngleClock(String phaseAngleClockEQ) {
         return new GridModelReferenceResources(
                 "PhaseAngleClock",
diff --git a/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_EQ.xml b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_EQ.xml
new file mode 100644
index 00000000000..098299fa15f
--- /dev/null
+++ b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_EQ.xml
@@ -0,0 +1,249 @@
+<rdf:RDF xmlns:cim="http://iec.ch/TC57/2013/CIM-schema-cim16#" xmlns:entsoe="http://entsoe.eu/CIM/SchemaExtension/3/1#" xmlns:md="http://iec.ch/TC57/61970-552/ModelDescription/1#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<md:FullModel rdf:about="urn:uuid:ModelID">
+    <md:Model.scenarioTime>2021-03-01T23:00:00Z</md:Model.scenarioTime>
+    <md:Model.created>2021-03-02T10:22:58Z</md:Model.created>
+    <md:Model.description>Two windings transformer</md:Model.description>
+    <md:Model.version>001</md:Model.version>
+    <md:Model.profile>http://entsoe.eu/CIM/EquipmentCore/3/1</md:Model.profile>
+    <md:Model.profile>http://entsoe.eu/CIM/EquipmentOperation/3/1</md:Model.profile>
+    <md:Model.modelingAuthoritySet>powsybl.org</md:Model.modelingAuthoritySet>
+</md:FullModel>
+<cim:GeographicalRegion rdf:ID="_GR">
+    <cim:IdentifiedObject.name>Geographical region</cim:IdentifiedObject.name>
+</cim:GeographicalRegion>
+<cim:SubGeographicalRegion rdf:ID="_SGR">
+    <cim:IdentifiedObject.name>Subgeographical region</cim:IdentifiedObject.name>
+    <cim:SubGeographicalRegion.Region rdf:resource="#_GR"/>
+</cim:SubGeographicalRegion>
+<cim:Substation rdf:ID="_ST">
+    <cim:IdentifiedObject.name>Substation</cim:IdentifiedObject.name>
+    <cim:Substation.Region rdf:resource="#_SGR"/>
+</cim:Substation>
+<cim:VoltageLevel rdf:ID="_VL_400">
+    <cim:IdentifiedObject.name>Voltage level 400 kV</cim:IdentifiedObject.name>
+    <cim:VoltageLevel.BaseVoltage rdf:resource="#_BV_400"/>
+    <cim:VoltageLevel.Substation rdf:resource="#_ST"/>
+</cim:VoltageLevel>
+<cim:VoltageLevel rdf:ID="_VL_110">
+    <cim:IdentifiedObject.name>Voltage level 110 kV</cim:IdentifiedObject.name>
+    <cim:VoltageLevel.BaseVoltage rdf:resource="#_BV_110"/>
+    <cim:VoltageLevel.Substation rdf:resource="#_ST"/>
+</cim:VoltageLevel>
+<cim:VoltageLevel rdf:ID="_VL_10_5">
+    <cim:IdentifiedObject.name>Voltage level 10.5 kV</cim:IdentifiedObject.name>
+    <cim:VoltageLevel.BaseVoltage rdf:resource="#_BV_10_5"/>
+    <cim:VoltageLevel.Substation rdf:resource="#_ST"/>
+</cim:VoltageLevel>
+<cim:PowerTransformer rdf:ID="_PST">
+    <cim:IdentifiedObject.name>Phase shifter</cim:IdentifiedObject.name>
+    <cim:Equipment.EquipmentContainer rdf:resource="#_ST"/>
+</cim:PowerTransformer>
+<cim:PowerTransformerEnd rdf:ID="_PST_E1">
+    <cim:IdentifiedObject.name>Phase shifter end 1</cim:IdentifiedObject.name>
+    <cim:PowerTransformerEnd.r>2.707692</cim:PowerTransformerEnd.r>
+    <cim:PowerTransformerEnd.x>14.518904</cim:PowerTransformerEnd.x>
+    <cim:PowerTransformerEnd.b>0</cim:PowerTransformerEnd.b>
+    <cim:PowerTransformerEnd.g>0</cim:PowerTransformerEnd.g>
+    <cim:PowerTransformerEnd.r0>2.72</cim:PowerTransformerEnd.r0>
+    <cim:PowerTransformerEnd.x0>14.516604</cim:PowerTransformerEnd.x0>
+    <cim:PowerTransformerEnd.b0>0</cim:PowerTransformerEnd.b0>
+    <cim:PowerTransformerEnd.g0>0</cim:PowerTransformerEnd.g0>
+    <cim:TransformerEnd.rground>0</cim:TransformerEnd.rground>
+    <cim:TransformerEnd.xground>0</cim:TransformerEnd.xground>
+    <cim:PowerTransformerEnd.ratedS>650</cim:PowerTransformerEnd.ratedS>
+    <cim:PowerTransformerEnd.ratedU>400</cim:PowerTransformerEnd.ratedU>
+    <cim:TransformerEnd.endNumber>1</cim:TransformerEnd.endNumber>
+    <cim:PowerTransformerEnd.phaseAngleClock>0</cim:PowerTransformerEnd.phaseAngleClock>
+    <cim:TransformerEnd.grounded>false</cim:TransformerEnd.grounded>
+    <cim:PowerTransformerEnd.connectionKind rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#WindingConnection.Y"/>
+    <cim:TransformerEnd.BaseVoltage rdf:resource="#_BV_400"/>
+    <cim:PowerTransformerEnd.PowerTransformer rdf:resource="#_PST"/>
+    <cim:TransformerEnd.Terminal rdf:resource="#_T_PST_E1"/>
+</cim:PowerTransformerEnd>
+<cim:Terminal rdf:ID="_T_PST_E1">
+    <cim:IdentifiedObject.name>Terminal PST_E1</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>1</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_PST"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_1"/>
+</cim:Terminal>
+<cim:ConnectivityNode rdf:ID="_CN_1">
+    <cim:IdentifiedObject.name>Node 1</cim:IdentifiedObject.name>
+    <cim:ConnectivityNode.ConnectivityNodeContainer rdf:resource="#_VL_400"/>
+</cim:ConnectivityNode>
+<cim:PowerTransformerEnd rdf:ID="_PST_E2">
+    <cim:IdentifiedObject.name>Phase shifter end 2</cim:IdentifiedObject.name>
+    <cim:PowerTransformerEnd.r>0</cim:PowerTransformerEnd.r>
+    <cim:PowerTransformerEnd.x>0</cim:PowerTransformerEnd.x>
+    <cim:PowerTransformerEnd.b>0</cim:PowerTransformerEnd.b>
+    <cim:PowerTransformerEnd.g>0</cim:PowerTransformerEnd.g>
+    <cim:PowerTransformerEnd.r0>0</cim:PowerTransformerEnd.r0>
+    <cim:PowerTransformerEnd.x0>0</cim:PowerTransformerEnd.x0>
+    <cim:PowerTransformerEnd.b0>0</cim:PowerTransformerEnd.b0>
+    <cim:PowerTransformerEnd.g0>0</cim:PowerTransformerEnd.g0>
+    <cim:TransformerEnd.rground>0</cim:TransformerEnd.rground>
+    <cim:TransformerEnd.xground>0</cim:TransformerEnd.xground>
+    <cim:PowerTransformerEnd.ratedS>650</cim:PowerTransformerEnd.ratedS>
+    <cim:PowerTransformerEnd.ratedU>110</cim:PowerTransformerEnd.ratedU>
+    <cim:TransformerEnd.endNumber>2</cim:TransformerEnd.endNumber>
+    <cim:PowerTransformerEnd.phaseAngleClock>0</cim:PowerTransformerEnd.phaseAngleClock>
+    <cim:TransformerEnd.grounded>false</cim:TransformerEnd.grounded>
+    <cim:PowerTransformerEnd.connectionKind rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#WindingConnection.Y"/>
+    <cim:TransformerEnd.BaseVoltage rdf:resource="#_BV_110"/>
+    <cim:PowerTransformerEnd.PowerTransformer rdf:resource="#_PST"/>
+    <cim:TransformerEnd.Terminal rdf:resource="#_T_PST_E2"/>
+</cim:PowerTransformerEnd>
+<cim:Terminal rdf:ID="_T_PST_E2">
+    <cim:IdentifiedObject.name>Terminal PST_E2</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>2</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_PST"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_2"/>
+</cim:Terminal>
+<cim:ConnectivityNode rdf:ID="_CN_2">
+    <cim:IdentifiedObject.name>Node 2</cim:IdentifiedObject.name>
+    <cim:ConnectivityNode.ConnectivityNodeContainer rdf:resource="#_VL_110"/>
+</cim:ConnectivityNode>
+<cim:PhaseTapChangerAsymmetrical rdf:ID="_PTC">
+    <cim:IdentifiedObject.name>Phase tap changer</cim:IdentifiedObject.name>
+    <cim:TapChanger.neutralU>400</cim:TapChanger.neutralU>
+    <cim:TapChanger.lowStep>1</cim:TapChanger.lowStep>
+    <cim:TapChanger.highStep>25</cim:TapChanger.highStep>
+    <cim:TapChanger.neutralStep>13</cim:TapChanger.neutralStep>
+    <cim:TapChanger.normalStep>10</cim:TapChanger.normalStep>
+    <cim:PhaseTapChangerNonLinear.voltageStepIncrement>1.25</cim:PhaseTapChangerNonLinear.voltageStepIncrement>
+    <cim:PhaseTapChangerNonLinear.xMin>14.518904</cim:PhaseTapChangerNonLinear.xMin>
+    <cim:PhaseTapChangerNonLinear.xMax>14.518904</cim:PhaseTapChangerNonLinear.xMax>
+    <cim:PhaseTapChangerAsymmetrical.windingConnectionAngle>90.000000</cim:PhaseTapChangerAsymmetrical.windingConnectionAngle>
+    <cim:PhaseTapChanger.TransformerEnd rdf:resource="#_PST_E1"/>
+    <cim:TapChanger.ltcFlag>true</cim:TapChanger.ltcFlag>
+    <cim:TapChanger.TapChangerControl rdf:resource="#_PTCC"/>
+</cim:PhaseTapChangerAsymmetrical>
+<cim:TapChangerControl rdf:ID="_PTCC">
+    <cim:IdentifiedObject.name>Phase tap changer control</cim:IdentifiedObject.name>
+    <cim:RegulatingControl.mode rdf:resource="http://iec.ch/TC57/CIM100#RegulatingControlModeKind.activePower" />
+    <cim:RegulatingControl.Terminal rdf:resource="#_T_PST_E1"/>
+</cim:TapChangerControl>
+<cim:PowerTransformer rdf:ID="_TRA">
+    <cim:IdentifiedObject.name>Power transformer</cim:IdentifiedObject.name>
+    <cim:Equipment.EquipmentContainer rdf:resource="#_ST"/>
+</cim:PowerTransformer>
+<cim:PowerTransformerEnd rdf:ID="_TRA_E1">
+    <cim:IdentifiedObject.name>Power transformer end 1</cim:IdentifiedObject.name>
+    <cim:PowerTransformerEnd.r>0.104711</cim:PowerTransformerEnd.r>
+    <cim:PowerTransformerEnd.x>5.843419</cim:PowerTransformerEnd.x>
+    <cim:PowerTransformerEnd.b>-0.0000830339</cim:PowerTransformerEnd.b>
+    <cim:PowerTransformerEnd.g>0.0000173295</cim:PowerTransformerEnd.g>
+    <cim:PowerTransformerEnd.r0>0.104711</cim:PowerTransformerEnd.r0>
+    <cim:PowerTransformerEnd.x0>5.843419</cim:PowerTransformerEnd.x0>
+    <cim:PowerTransformerEnd.b0>0</cim:PowerTransformerEnd.b0>
+    <cim:PowerTransformerEnd.g0>0</cim:PowerTransformerEnd.g0>
+    <cim:TransformerEnd.rground>0</cim:TransformerEnd.rground>
+    <cim:TransformerEnd.xground>0</cim:TransformerEnd.xground>
+    <cim:PowerTransformerEnd.ratedS>250</cim:PowerTransformerEnd.ratedS>
+    <cim:PowerTransformerEnd.ratedU>110.343750</cim:PowerTransformerEnd.ratedU>
+    <cim:TransformerEnd.endNumber>1</cim:TransformerEnd.endNumber>
+    <cim:PowerTransformerEnd.phaseAngleClock>0</cim:PowerTransformerEnd.phaseAngleClock>
+    <cim:TransformerEnd.grounded>false</cim:TransformerEnd.grounded>
+    <cim:PowerTransformerEnd.connectionKind rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#WindingConnection.Y"/>
+    <cim:TransformerEnd.BaseVoltage rdf:resource="#_BV_110"/>
+    <cim:PowerTransformerEnd.PowerTransformer rdf:resource="#_TRA"/>
+    <cim:TransformerEnd.Terminal rdf:resource="#_T_TRA_E1"/>
+</cim:PowerTransformerEnd>
+<cim:Terminal rdf:ID="_T_TRA_E1">
+    <cim:IdentifiedObject.name>Terminal TRA_E1</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>1</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_TRA"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_2"/>
+</cim:Terminal>
+<cim:PowerTransformerEnd rdf:ID="_TRA_E2">
+    <cim:IdentifiedObject.name>Power transformer end 2</cim:IdentifiedObject.name>
+    <cim:PowerTransformerEnd.r>0</cim:PowerTransformerEnd.r>
+    <cim:PowerTransformerEnd.x>0</cim:PowerTransformerEnd.x>
+    <cim:PowerTransformerEnd.b>0</cim:PowerTransformerEnd.b>
+    <cim:PowerTransformerEnd.g>0</cim:PowerTransformerEnd.g>
+    <cim:PowerTransformerEnd.r0>0</cim:PowerTransformerEnd.r0>
+    <cim:PowerTransformerEnd.x0>0</cim:PowerTransformerEnd.x0>
+    <cim:PowerTransformerEnd.b0>0</cim:PowerTransformerEnd.b0>
+    <cim:PowerTransformerEnd.g0>0</cim:PowerTransformerEnd.g0>
+    <cim:TransformerEnd.rground>0</cim:TransformerEnd.rground>
+    <cim:TransformerEnd.xground>0</cim:TransformerEnd.xground>
+    <cim:PowerTransformerEnd.ratedS>250</cim:PowerTransformerEnd.ratedS>
+    <cim:PowerTransformerEnd.ratedU>10.5</cim:PowerTransformerEnd.ratedU>
+    <cim:TransformerEnd.endNumber>2</cim:TransformerEnd.endNumber>
+    <cim:PowerTransformerEnd.phaseAngleClock>0</cim:PowerTransformerEnd.phaseAngleClock>
+    <cim:TransformerEnd.grounded>false</cim:TransformerEnd.grounded>
+    <cim:PowerTransformerEnd.connectionKind rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#WindingConnection.Y"/>
+    <cim:TransformerEnd.BaseVoltage rdf:resource="#_BV_10_5"/>
+    <cim:PowerTransformerEnd.PowerTransformer rdf:resource="#_TRA"/>
+    <cim:TransformerEnd.Terminal rdf:resource="#_T_TRA_E2"/>
+</cim:PowerTransformerEnd>
+<cim:Terminal rdf:ID="_T_TRA_E2">
+    <cim:IdentifiedObject.name>Terminal TRA_E2</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>2</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_TRA"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_3"/>
+</cim:Terminal>
+<cim:ConnectivityNode rdf:ID="_CN_3">
+    <cim:IdentifiedObject.name>Node 3</cim:IdentifiedObject.name>
+    <cim:ConnectivityNode.ConnectivityNodeContainer rdf:resource="#_VL_10_5"/>
+</cim:ConnectivityNode>
+<cim:RatioTapChanger rdf:ID="_RTC">
+    <cim:IdentifiedObject.name>Ratio tap changer</cim:IdentifiedObject.name>
+    <cim:TapChanger.neutralU>10.5</cim:TapChanger.neutralU>
+    <cim:TapChanger.lowStep>1</cim:TapChanger.lowStep>
+    <cim:TapChanger.highStep>33</cim:TapChanger.highStep>
+    <cim:TapChanger.neutralStep>17</cim:TapChanger.neutralStep>
+    <cim:TapChanger.normalStep>14</cim:TapChanger.normalStep>
+    <cim:RatioTapChanger.stepVoltageIncrement>0.8</cim:RatioTapChanger.stepVoltageIncrement>
+    <cim:TapChanger.ltcFlag>true</cim:TapChanger.ltcFlag>
+    <cim:TapChanger.TapChangerControl rdf:resource="#_RTCC"/>
+    <cim:RatioTapChanger.tculControlMode rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#TransformerControlMode.volt"/>
+    <cim:RatioTapChanger.TransformerEnd rdf:resource="#_TRA_E2"/>
+</cim:RatioTapChanger>
+<cim:TapChangerControl rdf:ID="_RTCC">
+    <cim:IdentifiedObject.name>Ratio tap changer control</cim:IdentifiedObject.name>
+    <cim:RegulatingControl.mode rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#RegulatingControlModeKind.voltage"/>
+    <cim:RegulatingControl.Terminal rdf:resource="#_T_TRA_E2"/>
+</cim:TapChangerControl>
+<cim:BusbarSection rdf:ID="_BBS_1">
+    <cim:IdentifiedObject.name>Busbar section 1</cim:IdentifiedObject.name>
+    <cim:Equipment.EquipmentContainer rdf:resource="#_VL_400"/>
+</cim:BusbarSection>
+<cim:Terminal rdf:ID="_T_BBS_1">
+    <cim:IdentifiedObject.name>Terminal BBS_1</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>1</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_BBS_1"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_1"/>
+</cim:Terminal>
+<cim:BusbarSection rdf:ID="_BBS_2">
+    <cim:IdentifiedObject.name>Busbar section 2</cim:IdentifiedObject.name>
+    <cim:Equipment.EquipmentContainer rdf:resource="#_VL_110"/>
+</cim:BusbarSection>
+<cim:Terminal rdf:ID="_T_BBS_2">
+    <cim:IdentifiedObject.name>Terminal BBS_2</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>1</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_BBS_2"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_2"/>
+</cim:Terminal>
+<cim:BusbarSection rdf:ID="_BBS_3">
+    <cim:IdentifiedObject.name>Busbar section 3</cim:IdentifiedObject.name>
+    <cim:Equipment.EquipmentContainer rdf:resource="#_VL_10_5"/>
+</cim:BusbarSection>
+<cim:Terminal rdf:ID="_T_BBS_3">
+    <cim:IdentifiedObject.name>Terminal BBS_3</cim:IdentifiedObject.name>
+    <cim:ACDCTerminal.sequenceNumber>1</cim:ACDCTerminal.sequenceNumber>
+    <cim:Terminal.ConductingEquipment rdf:resource="#_BBS_3"/>
+    <cim:Terminal.ConnectivityNode rdf:resource="#_CN_3"/>
+</cim:Terminal>
+<cim:BaseVoltage rdf:ID="_BV_400">
+    <cim:IdentifiedObject.name>400 kV</cim:IdentifiedObject.name>
+    <cim:BaseVoltage.nominalVoltage>400</cim:BaseVoltage.nominalVoltage>
+</cim:BaseVoltage>
+<cim:BaseVoltage rdf:ID="_BV_110">
+    <cim:IdentifiedObject.name>110 kV</cim:IdentifiedObject.name>
+    <cim:BaseVoltage.nominalVoltage>110</cim:BaseVoltage.nominalVoltage>
+</cim:BaseVoltage>
+<cim:BaseVoltage rdf:ID="_BV_10_5">
+    <cim:IdentifiedObject.name>10.5 kV</cim:IdentifiedObject.name>
+    <cim:BaseVoltage.nominalVoltage>10.5</cim:BaseVoltage.nominalVoltage>
+</cim:BaseVoltage>
+</rdf:RDF>
diff --git a/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SSH.xml b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SSH.xml
new file mode 100644
index 00000000000..4d890ef3939
--- /dev/null
+++ b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SSH.xml
@@ -0,0 +1,55 @@
+<rdf:RDF xmlns:cim="http://iec.ch/TC57/2013/CIM-schema-cim16#" xmlns:entsoe="http://entsoe.eu/CIM/SchemaExtension/3/1#" xmlns:md="http://iec.ch/TC57/61970-552/ModelDescription/1#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<md:FullModel rdf:about="urn:uuid:ModelID">
+    <md:Model.scenarioTime>2021-03-01T23:00:00Z</md:Model.scenarioTime>
+    <md:Model.created>2021-03-02T10:22:58Z</md:Model.created>
+    <md:Model.description>Two windings transformer</md:Model.description>
+    <md:Model.version>001</md:Model.version>
+    <md:Model.profile>http://entsoe.eu/CIM/SteadyStateHypothesis/1/1</md:Model.profile>
+    <md:Model.modelingAuthoritySet>powsybl.org</md:Model.modelingAuthoritySet>
+</md:FullModel>
+<cim:Terminal rdf:about="#_T_PTE_11">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_1">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_PTE_12">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_2">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_PTE_21">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_3">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_PTE_22">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_4">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_SEC_1">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_SEC_2">
+    <cim:ACDCTerminal.connected>true</cim:ACDCTerminal.connected>
+</cim:Terminal>
+<cim:RatioTapChanger rdf:about="#_RTC">
+    <cim:TapChanger.step>14</cim:TapChanger.step>
+    <cim:TapChanger.controlEnabled>true</cim:TapChanger.controlEnabled>
+</cim:RatioTapChanger>
+<cim:PhaseTapChangerSymmetrical rdf:about="#_PTC">
+    <cim:TapChanger.controlEnabled>true</cim:TapChanger.controlEnabled>
+    <cim:TapChanger.step>10</cim:TapChanger.step>
+</cim:PhaseTapChangerSymmetrical>
+<cim:TapChangerControl rdf:about="#_PTCC">
+    <cim:RegulatingControl.discrete>true</cim:RegulatingControl.discrete>
+    <cim:RegulatingControl.targetDeadband>35</cim:RegulatingControl.targetDeadband>
+    <cim:RegulatingControl.targetValueUnitMultiplier rdf:resource="http://iec.ch/TC57/2013/CIM-schema-cim16#UnitMultiplier.M"/>
+    <cim:RegulatingControl.enabled>true</cim:RegulatingControl.enabled>
+    <cim:RegulatingControl.targetValue>-65</cim:RegulatingControl.targetValue>
+</cim:TapChangerControl>
+</rdf:RDF>
diff --git a/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SV.xml b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SV.xml
new file mode 100644
index 00000000000..e14419012d0
--- /dev/null
+++ b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_SV.xml
@@ -0,0 +1,25 @@
+<rdf:RDF xmlns:cim="http://iec.ch/TC57/2013/CIM-schema-cim16#" xmlns:entsoe="http://entsoe.eu/CIM/SchemaExtension/3/1#" xmlns:md="http://iec.ch/TC57/61970-552/ModelDescription/1#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<md:FullModel rdf:about="urn:uuid:ModelID">
+    <md:Model.scenarioTime>2021-03-01T23:00:00Z</md:Model.scenarioTime>
+    <md:Model.created>2021-03-02T10:22:58Z</md:Model.created>
+    <md:Model.description>Two windings transformer</md:Model.description>
+    <md:Model.version>001</md:Model.version>
+    <md:Model.profile>http://entsoe.eu/CIM/StateVariables/4/1</md:Model.profile>
+    <md:Model.modelingAuthoritySet>powsybl.org</md:Model.modelingAuthoritySet>
+</md:FullModel>
+<cim:SvVoltage rdf:ID="_SV_1">
+    <cim:SvVoltage.angle>-6.780710</cim:SvVoltage.angle>
+    <cim:SvVoltage.v>412.989001</cim:SvVoltage.v>
+    <cim:SvVoltage.TopologicalNode rdf:resource="#_TN_1"/>
+</cim:SvVoltage>
+<cim:SvVoltage rdf:ID="_SV_2">
+    <cim:SvVoltage.angle>-9.391330</cim:SvVoltage.angle>
+    <cim:SvVoltage.v>115.5</cim:SvVoltage.v>
+    <cim:SvVoltage.TopologicalNode rdf:resource="#_TN_2"/>
+</cim:SvVoltage>
+<cim:SvVoltage rdf:ID="_SV_3">
+    <cim:SvVoltage.angle>-7.057180</cim:SvVoltage.angle>
+    <cim:SvVoltage.v>10.820805</cim:SvVoltage.v>
+    <cim:SvVoltage.TopologicalNode rdf:resource="#_TN_3"/>
+</cim:SvVoltage>
+</rdf:RDF>
diff --git a/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_TP.xml b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_TP.xml
new file mode 100644
index 00000000000..3fcf5f14db0
--- /dev/null
+++ b/cgmes/cgmes-conversion/src/test/resources/issues/transformers/TwoWindingsTransformers_TP.xml
@@ -0,0 +1,46 @@
+<rdf:RDF xmlns:cim="http://iec.ch/TC57/2013/CIM-schema-cim16#" xmlns:entsoe="http://entsoe.eu/CIM/SchemaExtension/3/1#" xmlns:md="http://iec.ch/TC57/61970-552/ModelDescription/1#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#">
+<md:FullModel rdf:about="urn:uuid:ModelID">
+    <md:Model.scenarioTime>2021-03-01T23:00:00Z</md:Model.scenarioTime>
+    <md:Model.created>2021-03-02T10:22:58Z</md:Model.created>
+    <md:Model.description>Two windings transformer</md:Model.description>
+    <md:Model.version>001</md:Model.version>
+    <md:Model.profile>http://entsoe.eu/CIM/Topology/4/1</md:Model.profile>
+    <md:Model.modelingAuthoritySet>powsybl.org</md:Model.modelingAuthoritySet>
+</md:FullModel>
+<cim:TopologicalNode rdf:ID="_TN_1">
+    <cim:IdentifiedObject.name>Topological node 1</cim:IdentifiedObject.name>
+    <cim:TopologicalNode.ConnectivityNodeContainer rdf:resource="#_VL_400"/>
+    <cim:TopologicalNode.BaseVoltage rdf:resource="#_BV_400"/>
+</cim:TopologicalNode>
+<cim:TopologicalNode rdf:ID="_TN_2">
+    <cim:IdentifiedObject.name>Topological node 2</cim:IdentifiedObject.name>
+    <cim:TopologicalNode.ConnectivityNodeContainer rdf:resource="#_VL_110"/>
+    <cim:TopologicalNode.BaseVoltage rdf:resource="#_BV_110"/>
+</cim:TopologicalNode>
+<cim:TopologicalNode rdf:ID="_TN_3">
+    <cim:IdentifiedObject.name>Topological node 3</cim:IdentifiedObject.name>
+    <cim:TopologicalNode.ConnectivityNodeContainer rdf:resource="#_VL_10_5"/>
+    <cim:TopologicalNode.BaseVoltage rdf:resource="#_BV_10_5"/>
+</cim:TopologicalNode>
+<cim:Terminal rdf:about="#_T_PST_E1">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_1"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_1">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_1"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_PST_E2">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_2"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_2">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_2"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_TRA_E1">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_2"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_TRA_E2">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_3"/>
+</cim:Terminal>
+<cim:Terminal rdf:about="#_T_BBS_3">
+    <cim:Terminal.TopologicalNode rdf:resource="#_TN_3"/>
+</cim:Terminal>
+</rdf:RDF>