![]()  | Transformer Type Enum | 
![]()  | Enumération des types de transformateur | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 | 
|---|---|---|---|---|
| IfcTransformerTypeEnum | ||||
| INVERTER | ADDED | |||
| RECTIFIER | ADDED | 
The IfcTransformerTypeEnum defines the range of different types of transformer that can be specified.
HISTORY New type in IFC2x2.
| Constant | Description | 
|---|---|
| CURRENT | A transformer that changes the current between circuits. | 
| FREQUENCY | A transformer that changes the frequency between circuits. | 
| INVERTER | A transformer that converts from direct current (DC) to alternating current (AC). | 
| RECTIFIER | A transformer that converts from alternating current (AC) to direct current (DC). | 
| VOLTAGE | A transformer that changes the voltage between circuits. | 
| USERDEFINED | User-defined type. | 
| NOTDEFINED | Undefined type. | 
 <xs:simpleType name="IfcTransformerTypeEnum">
  <xs:restriction base="xs:string">
   <xs:enumeration value="current"/>
   <xs:enumeration value="frequency"/>
   <xs:enumeration value="inverter"/>
   <xs:enumeration value="rectifier"/>
   <xs:enumeration value="voltage"/>
   <xs:enumeration value="userdefined"/>
   <xs:enumeration value="notdefined"/>
  </xs:restriction>
 </xs:simpleType>
TYPE IfcTransformerTypeEnum = ENUMERATION OF (
 CURRENT, 
 FREQUENCY, 
 INVERTER, 
 RECTIFIER, 
 VOLTAGE, 
 USERDEFINED, 
 NOTDEFINED);
END_TYPE;