ifc:IfcElectricFlowStorageDeviceTypeEnum

<xs:simpleType name="IfcElectricFlowStorageDeviceTypeEnum">
  <xs:restriction base="xs:string">
    <xs:enumeration value="battery"/>
    <xs:enumeration value="capacitorbank"/>
    <xs:enumeration value="harmonicfilter"/>
    <xs:enumeration value="inductorbank"/>
    <xs:enumeration value="ups"/>
    <xs:enumeration value="userdefined"/>
    <xs:enumeration value="notdefined"/>
  </xs:restriction>
</xs:simpleType>