diff --git a/VectoCore/VectoCore/Resources/XSD/VectoDeclarationDefinitions.2.6_Buses.xsd b/VectoCore/VectoCore/Resources/XSD/VectoDeclarationDefinitions.2.6_Buses.xsd
index 87b044d7fecc42820ee263367be0b9c315b6538f..d326dd477692891a60ebeaa3bba600af1ab05c09 100644
--- a/VectoCore/VectoCore/Resources/XSD/VectoDeclarationDefinitions.2.6_Buses.xsd
+++ b/VectoCore/VectoCore/Resources/XSD/VectoDeclarationDefinitions.2.6_Buses.xsd
@@ -138,7 +138,7 @@
 									</xs:complexType>
 								</xs:element>
 								<xs:sequence minOccurs="0">
-									<xs:element name="SmartAlternator">
+									<xs:element name="SmartAlternator" maxOccurs="unbounded">
 										<xs:complexType>
 											<xs:sequence>
 												<xs:element name="RatedCurrent" type="xs:integer">
diff --git a/VectoCore/VectoCore/Resources/XSD/VectoOutputMultistage.0.1.xsd b/VectoCore/VectoCore/Resources/XSD/VectoOutputMultistage.0.1.xsd
index e321102350a1968d758597ed7a698d1e4a149a78..e67ab7e478b5771be0a2aba511a1e958b5945243 100644
--- a/VectoCore/VectoCore/Resources/XSD/VectoOutputMultistage.0.1.xsd
+++ b/VectoCore/VectoCore/Resources/XSD/VectoOutputMultistage.0.1.xsd
@@ -121,7 +121,7 @@
 									</xs:complexType>
 								</xs:element>
 								<xs:sequence minOccurs="0">
-									<xs:element name="SmartAlternator">
+									<xs:element name="SmartAlternator" maxOccurs="unbounded">
 										<xs:complexType>
 											<xs:sequence>
 												<xs:element name="RatedCurrent" type="xs:integer">
diff --git a/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersionMultistage.0.1/vecto_multistage_primary_vehicle_stage_2_3.xml b/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersionMultistage.0.1/vecto_multistage_primary_vehicle_stage_2_3.xml
index 6824f8acd0cf299bf226c5ad50e5ee2e540b25db..690f75c117ec8f692aaac5eff3caaa49f7cd8d87 100644
--- a/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersionMultistage.0.1/vecto_multistage_primary_vehicle_stage_2_3.xml
+++ b/VectoCore/VectoCoreTest/TestData/XML/XMLReaderDeclaration/SchemaVersionMultistage.0.1/vecto_multistage_primary_vehicle_stage_2_3.xml
@@ -273,8 +273,6 @@ xsi:schemaLocation="urn:tugraz:ivt:VectoAPI:DeclarationOutput:VehicleInterimFile
 							<ElectricSystem>
 								<AlternatorTechnology>conventional</AlternatorTechnology>
 								<SupplyFromHEVPossible>false</SupplyFromHEVPossible>
-								<MaxAlternatorPower>15000</MaxAlternatorPower>
-								<ElectricStorageCapacity>50</ElectricStorageCapacity>
 							</ElectricSystem>
 							<PneumaticSystem>
 								<SizeOfAirSupply>Large Supply 2-stage</SizeOfAirSupply>