7.8.4.49 Pset_DistributionSystemTypeOverheadContactlineSystem
7.8.4.49.1 Semantic definition
Properties of an overhead contact line system. The property set is associated with the predefined type OVERHEAD_CONTACT_LINE_SYSTEM of IfcDistributionSystem.
7.8.4.49.2 Applicable entities
- IfcDistributionSystem/OVERHEAD_CONTACTLINE_SYSTEM
7.8.4.49.3 Properties
| Name | Property Type | Data Type | Description | |
|---|---|---|---|---|
| SpanNominalLength | IfcPropertySingleValue | IfcPositiveLengthMeasure |
The length of span as a design parameter for the overhead contactline system. |
|
| ContactWireStagger | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Lateral displacement of the contact wire to opposite sides of the track centre at successive supports. |
|
| ContactWireNominalDrop | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Vertical distance between the main catenary wire and the contact wire measured at a support point. |
|
| PressureRange | IfcPropertyBoundedValue | IfcPressureMeasure |
Allowable maximum and minimum working pressure (relative to ambient pressure). |
|
| ContactWireNominalHeight | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Nominal distance from the top of the rail to the lower face of the contact wire, measured perpendicular to the track. |
|
| ContactWireUplift | IfcPropertySingleValue | IfcNonNegativeLengthMeasure |
Vertical upward movement of the contact wire due to the force produced from the pantograph. |
|
| ElectricalClearance | IfcPropertySingleValue | IfcPositiveLengthMeasure |
The recommended air clearances between earth and the live parts of the overhead contactline system. |
|
| NumberOfOverlappingSpans | IfcPropertySingleValue | IfcCountMeasure |
Number of overlapping spans in the overhead contactline system. |
|
| PantographType | IfcPropertySingleValue | IfcLabel |
Indicates the type of pantograph as a design parameter for the overhead contactline system. |
|
| TensionLength | IfcPropertySingleValue | IfcPositiveLengthMeasure |
Length of overhead contactline between two terminating points. It is a design parameter for the overhead contactline system. |
|
| OCSType | IfcPropertyEnumeratedValue | PEnum_OverheadContactLineType |
Indicates the type of overhead contactline system (OCS). |