7.47 CompressorOperationalType ObjectType Definition

The CompressorOperationalType extends its supertype by compressor specific Variables and is formally defined in Table 99.

Table 99 – CompressorOperationalType Definition
Attribute Value
BrowseNameCompressorOperationalType
IsAbstractFalse
References Node Class BrowseName DataType TypeDefinition Other
Subtype of the OperationalType defined in 7.45, i.e. inheriting the InstanceDeclarations of that Node.
0:HasComponentVariableActivePressureBand0:UInt160:DataItemTypeO, RO
0:HasComponentVariableFlowRateRatio0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableIsentropicEfficiency0:Double0:BaseAnalogTypeO, RO
0:HasComponentVariableSpecificEnergyRequirement0:Double0:BaseAnalogTypeO, RO
The following nodes override nodes added by the OperationalType
0:HasComponentVariableOperatingStateCompressorOperatingStateEnum0:DataItemTypeO, RO

The following illustration of a state machine does not imply the actual function or state machine for a compressor. It serves as an example of how the actual state machines may function.

Figure 32 – CompressorOperationalType State Machine Illustration

The InstanceDeclarations of the CompressorOperationalType have additional Attributes defined in Table 100.

Table 100 – CompressorOperationalType Attribute values for child Nodes
Source Path Value Attribute Description
ActivePressureBandIndicates the actual active pressure band.
FlowRateRatioCalculated ratio of actual and maximum possible flow rate of a compressor.
IsentropicEfficiencyCalculated isentropic efficiency.
OperatingStateActual operating state of the compressor.
SpecificEnergyRequirementCalculated shaft input energy per unit of compressor actual rate of flow.