SynchronousMachine

An electromechanical device that operates with shaft rotating synchronously with the network. It is a single machine operating either as a generator or synchronous condenser or pump.

Type

Class

URI

cim:SynchronousMachine

CIM standard (perspective)

IEC61970 (Grid)

Slots

Associated classes
Figure 1. Associated classes
Name Cardinality Type Description

InstanceSet

1

InstanceSet

Dataset containing the data objects.

InitialReactiveCapabilityCurve

0..1

ReactiveCapabilityCurve

The default reactive capability curve for use by a synchronous machine.

SynchronousMachineDynamics

0..1

SynchronousMachineDynamics

Synchronous machine dynamics model used to describe dynamic behaviour of this synchronous machine.

aVRToManualLag

0..1

Seconds

Time delay required when switching from Automatic Voltage Regulation (AVR) to Manual for a lagging MVAr violation.

aVRToManualLead

0..1

Seconds

Time delay required when switching from Automatic Voltage Regulation (AVR) to Manual for a leading MVAr violation.

baseQ

0..1

ReactivePower

Default base reactive power value. This value represents the initial reactive power that can be used by any application function.

condenserP

0..1

ActivePower

Active power consumed when in condenser mode operation.

coolantCondition

0..1

float

Temperature or pressure of coolant medium.

coolantType

0..1

CoolantType

Method of cooling the machine.

earthing

0..1

boolean

Indicates whether or not the generator is earthed. Used for short circuit data exchange according to IEC 60909.

earthingStarPointR

0..1

Resistance

Generator star point earthing resistance (Re). Used for short circuit data exchange according to IEC 60909.

earthingStarPointX

0..1

Reactance

Generator star point earthing reactance (Xe). Used for short circuit data exchange according to IEC 60909.

ikk

0..1

CurrentFlow

Steady-state short-circuit current (in A for the profile) of generator with compound excitation during 3-phase short circuit. - Ikk=0: Generator with no compound excitation. - Ikk<>0: Generator with compound excitation. Ikk is used to calculate the minimum steady-state short-circuit current for generators with compound excitation. (4.6.1.2 in IEC 60909-0:2001). Used only for single fed short circuit on a generator. (4.3.4.2. in IEC 60909-0:2001).

manualToAVR

0..1

Seconds

Time delay required when switching from Manual to Automatic Voltage Regulation. This value is used in the accelerating power reference frame for powerflow solutions.

maxQ

0..1

ReactivePower

Maximum reactive power limit. This is the maximum (nameplate) limit for the unit.

maxU

0..1

Voltage

Maximum voltage limit for the unit.

minQ

0..1

ReactivePower

Minimum reactive power limit for the unit.

minU

0..1

Voltage

Minimum voltage limit for the unit.

mu

0..1

float

Factor to calculate the breaking current (Section 4.5.2.1 in IEC 60909-0). Used only for single fed short circuit on a generator (Section 4.3.4.2. in IEC 60909-0).

operatingMode

0..1

SynchronousMachineOperatingMode

Current mode of operation.

qPercent

0..1

PerCent

Part of the coordinated reactive control that comes from this machine. The attribute is used as a participation factor not necessarily summing up to 100% for the participating devices in the control.

r

0..1

Resistance

Equivalent resistance (RG) of generator. RG is considered for the calculation of all currents, except for the calculation of the peak current ip. Used for short circuit data exchange according to IEC 60909.

r0

0..1

Resistance

Zero sequence resistance of the synchronous machine.

r2

0..1

Resistance

Negative sequence resistance.

referencePriority

0..1

integer

Priority of unit for use as powerflow voltage phase angle reference bus selection. 0 = don t care (default) 1 = highest priority. 2 is less than 1 and so on.

satDirectSubtransX

0..1

PU

Direct-axis subtransient reactance saturated, also known as Xd"sat.

satDirectSyncX

0..1

PU

Direct-axes saturated synchronous reactance (xdsat); reciprocal of short-circuit ration. Used for short circuit data exchange, only for single fed short circuit on a generator. (4.3.4.2. in IEC 60909-0:2001).

satDirectTransX

0..1

PU

Saturated Direct-axis transient reactance. The attribute is primarily used for short circuit calculations according to ANSI.

shortCircuitRotorType

0..1

ShortCircuitRotorKind

Type of rotor, used by short circuit applications, only for single fed short circuit according to IEC 60909.

type

0..1

SynchronousMachineKind

Modes that this synchronous machine can operate in.

voltageRegulationRange

0..1

PerCent

Range of generator voltage regulation (PG in IEC 60909-0) used for calculation of the impedance correction factor KG defined in IEC 60909-0. This attribute is used to describe the operating voltage of the generating unit.

x0

0..1

Reactance

Zero sequence reactance of the synchronous machine.

x2

0..1

Reactance

Negative sequence reactance.

PrimeMovers

0..*

PrimeMover

Prime movers that drive this SynchronousMachine.

ReactiveCapabilityCurves

0..*

ReactiveCapabilityCurve

All available reactive capability curves for this synchronous machine.

AssetDatasheet

0..1

AssetInfo

Datasheet information for this power system resource.

BaseVoltage

0..1

BaseVoltage

Base voltage of this conducting equipment. Use only when there is no voltage level container used and only one base voltage applies. For example, not used for transformers.

EquipmentContainer

0..1

EquipmentContainer

Container of this equipment.

GeneratingUnit

0..1

GeneratingUnit

A synchronous machine may operate as a generator and as such becomes a member of a generating unit.

GroundingAction

0..1

GroundAction

Action involving grounding operation on this conducting equipment.

HydroPump

0..1

HydroPump

The synchronous machine drives the turbine which moves the water from a low elevation to a higher elevation. The direction of machine rotation for pumping may or may not be the same as for generating.

JumpingAction

0..1

JumperAction

Jumper action involving jumping operation on this conducting equipment.

Location

0..1

Location

Location of this power system resource.

Outage

0..1

Outage

The outage that is isolated by the outage isolation equipment.

PSRType

0..1

PSRType

Custom classification for this power system resource.

PropertiesCIMDataObject

0..1

ChangeSetMember

The single CIM data object in the appropriate dataset context.

RegulatingControl

0..1

RegulatingControl

The regulating control scheme in which this equipment participates.

aggregate

0..1

boolean

The aggregate flag provides an alternative way of representing an aggregated (equivalent) element. It is applicable in cases when the dedicated classes for equivalent equipment do not have all of the attributes necessary to represent the required level of detail. In case the flag is set to “true” the single instance of equipment represents multiple pieces of equipment that have been modelled together as an aggregate equivalent obtained by a network reduction procedure. Examples would be power transformers or synchronous machines operating in parallel modelled as a single aggregate power transformer or aggregate synchronous machine. The attribute is not used for EquivalentBranch, EquivalentShunt and EquivalentInjection.

aliasName

0..1

string

The aliasName is free text human readable name of the object alternative to IdentifiedObject.name. It may be non unique and may not correlate to a naming hierarchy. The attribute aliasName is retained because of backwards compatibility between CIM relases. It is however recommended to replace aliasName with the Name class as aliasName is planned for retirement at a future time.

controlEnabled

0..1

boolean

Specifies the regulation status of the equipment. True is regulating, false is not regulating.

description

0..1

string

The description is a free human readable text describing or naming the object. It may be non unique and may not correlate to a naming hierarchy.

inService

0..1

boolean

Specifies the availability of the equipment. True means the equipment is available for topology processing, which determines if the equipment is energized or not. False means that the equipment is treated by network applications as if it is not in the model.

mRID

0..1

string

Master resource identifier issued by a model authority. The mRID is unique within an exchange context. Global uniqueness is easily achieved by using a UUID, as specified in RFC 4122, for the mRID. The use of UUID is strongly recommended. For CIMXML data files in RDF syntax conforming to IEC 61970-552, the mRID is mapped to rdf:ID or rdf:about attributes that identify CIM object elements.

name

0..1

string

The name is any free human readable and possibly non unique text naming the object.

networkAnalysisEnabled

0..1

boolean

The equipment is enabled to participate in network analysis. If unspecified, the value is assumed to be true.

normallyInService

0..1

boolean

Specifies the availability of the equipment under normal operating conditions. True means the equipment is available for topology processing, which determines if the equipment is energized or not. False means that the equipment is treated by network applications as if it is not in the model.

p

0..1

ActivePower

Active power injection. Load sign convention is used, i.e. positive sign means flow out from a node. Starting value for a steady state solution.

q

0..1

ReactivePower

Reactive power injection. Load sign convention is used, i.e. positive sign means flow out from a node. Starting value for a steady state solution.

ratedPowerFactor

0..1

float

Power factor (nameplate data). It is primarily used for short circuit data exchange according to IEC 60909. The attribute cannot be a negative value.

ratedS

0..1

ApparentPower

Nameplate apparent power rating for the unit. The attribute shall have a positive value.

ratedU

0..1

Voltage

Rated voltage (nameplate data, Ur in IEC 60909-0). It is primarily used for short circuit data exchange according to IEC 60909. The attribute shall be a positive value.

AdditionalEquipmentContainer

0..*

EquipmentContainer

Additional equipment container beyond the primary equipment container. The equipment is contained in another equipment container, but also grouped with this equipment container.

Assets

0..*

Asset

All assets represented by this power system resource. For example, multiple conductor assets are electrically modelled as a single AC line segment.

Clearances

0..*

ClearanceDocument

All clearances applicable to this power system resource.

ConfigurationEvent

0..*

ConfigurationEvent

All configuration events created for this Power System resource.

ContingencyEquipment

0..*

ContingencyEquipment

The contingency equipments in which this equipment participates.

Controls

0..*

Control

The controller outputs used to actually govern a regulating device, e.g. the magnetization of a synchronous machine or capacitor bank breaker actuator.

DiagramObjects

0..*

DiagramObject

The diagram objects that are associated with the domain object.

EnergyComponent

0..*

EnergyComponent

n/a

EqiupmentLimitSeriesComponent

0..*

EquipmentLimitSeriesComponent

Equipment limit series calculation component to which this equipment contributes.

EquipmentUnavailabilitySchedule

0..*

EquipmentUnavailabilitySchedule

n/a

Faults

0..*

Fault

All faults on this equipment.

GenericAction

0..*

GenericAction

The generic action that is performed on the power system resource

LimitDependencyModel

0..*

LimitDependency

Limit dependencymodels organized under this equipment as a means for organizing the model in a tree view.

Measurements

0..*

Measurement

The measurements associated with this power system resource.

Names

0..*

Name

All names of this identified object.

OperatingShare

0..*

OperatingShare

The operating shares of this power system resource.

OperationalLimitSet

0..*

OperationalLimitSet

The operational limit sets associated with this equipment.

OperationalRestrictions

0..*

OperationalRestriction

All operational restrictions for this equipment.

OperationalTags

0..*

OperationalTag

All operational tags placed on this power system resource.

Outages

0..*

Outage

All outages in which this equipment is involved.

PSREvents

0..*

PSREvent

All events associated with this power system resource.

PinEquipment

0..*

PinEquipment

n/a

ProtectionEquipments

0..*

ProtectionEquipment

Protection equipment used to protect specific conducting equipment.

ProtectiveActionAdjustment

0..*

ProtectiveActionAdjustment

The operating condition to the Conducting Equipment is changed when protective action adjustment is activated. For ShuntCompensator or other conducting equipment that operates on discrete values (integer), the values given in float will be rounded.

ProtectiveActionEquipment

0..*

ProtectiveActionEquipment

Protective action is controlling equipment. This can be direct signals from the control center, or emulation of action done by protection equipment.

ReportingGroup

0..*

ReportingGroup

Reporting groups to which this power system resource belongs.

SvStatus

0..*

SvStatus

The status state variable associated with this conducting equipment.

TargetingCIMDataObject

0..*

ChangeSetMember

Data objects registered.

Terminals

0..*

Terminal

Conducting equipment have terminals that may be connected to other conducting equipment terminals via connectivity nodes or topological nodes.

UsagePoints

0..*

UsagePoint

All usage points connected to the electrical grid through this equipment.

VerificationAction

0..*

VerificationAction

The verification action that is performed on the power system resource

WeatherStation

0..*

WeatherStation

n/a


AdditionalEquipmentContainer

Additional equipment container beyond the primary equipment container. The equipment is contained in another equipment container, but also grouped with this equipment container.

URI

cim:Equipment.AdditionalEquipmentContainer

Cardinality

0..*

Type

EquipmentContainer

Inherited from

Equipment

aggregate

The aggregate flag provides an alternative way of representing an aggregated (equivalent) element. It is applicable in cases when the dedicated classes for equivalent equipment do not have all of the attributes necessary to represent the required level of detail. In case the flag is set to “true” the single instance of equipment represents multiple pieces of equipment that have been modelled together as an aggregate equivalent obtained by a network reduction procedure. Examples would be power transformers or synchronous machines operating in parallel modelled as a single aggregate power transformer or aggregate synchronous machine. The attribute is not used for EquivalentBranch, EquivalentShunt and EquivalentInjection.

URI

cim:Equipment.aggregate

Cardinality

0..1

Type

boolean

Inherited from

Equipment

aliasName

The aliasName is free text human readable name of the object alternative to IdentifiedObject.name. It may be non unique and may not correlate to a naming hierarchy. The attribute aliasName is retained because of backwards compatibility between CIM relases. It is however recommended to replace aliasName with the Name class as aliasName is planned for retirement at a future time.

URI

cim:IdentifiedObject.aliasName

Cardinality

0..1

Type

string

Inherited from

IdentifiedObject

AssetDatasheet

Datasheet information for this power system resource.

URI

cim:PowerSystemResource.AssetDatasheet

Cardinality

0..1

Type

AssetInfo

Inherited from

PowerSystemResource

Assets

All assets represented by this power system resource. For example, multiple conductor assets are electrically modelled as a single AC line segment.

URI

cim:PowerSystemResource.Assets

Cardinality

0..*

Type

Asset

Inherited from

PowerSystemResource

aVRToManualLag

Time delay required when switching from Automatic Voltage Regulation (AVR) to Manual for a lagging MVAr violation.

URI

cim:SynchronousMachine.aVRToManualLag

Cardinality

0..1

Type

Seconds

aVRToManualLead

Time delay required when switching from Automatic Voltage Regulation (AVR) to Manual for a leading MVAr violation.

URI

cim:SynchronousMachine.aVRToManualLead

Cardinality

0..1

Type

Seconds

baseQ

Default base reactive power value. This value represents the initial reactive power that can be used by any application function.

URI

cim:SynchronousMachine.baseQ

Cardinality

0..1

Type

ReactivePower

BaseVoltage

Base voltage of this conducting equipment. Use only when there is no voltage level container used and only one base voltage applies. For example, not used for transformers.

URI

cim:ConductingEquipment.BaseVoltage

Cardinality

0..1

Type

BaseVoltage

Inherited from

ConductingEquipment

Clearances

All clearances applicable to this power system resource.

URI

cim:PowerSystemResource.Clearances

Cardinality

0..*

Type

ClearanceDocument

Inherited from

PowerSystemResource

condenserP

Active power consumed when in condenser mode operation.

URI

cim:SynchronousMachine.condenserP

Cardinality

0..1

Type

ActivePower

ConfigurationEvent

All configuration events created for this Power System resource.

URI

cim:PowerSystemResource.ConfigurationEvent

Cardinality

0..*

Type

ConfigurationEvent

Inherited from

PowerSystemResource

ContingencyEquipment

The contingency equipments in which this equipment participates.

URI

cim:Equipment.ContingencyEquipment

Cardinality

0..*

Type

ContingencyEquipment

Inherited from

Equipment

controlEnabled

Specifies the regulation status of the equipment. True is regulating, false is not regulating.

URI

cim:RegulatingCondEq.controlEnabled

Cardinality

0..1

Type

boolean

Inherited from

RegulatingCondEq

Controls

The controller outputs used to actually govern a regulating device, e.g. the magnetization of a synchronous machine or capacitor bank breaker actuator.

URI

cim:PowerSystemResource.Controls

Cardinality

0..*

Type

Control

Inherited from

PowerSystemResource

coolantCondition

Temperature or pressure of coolant medium.

URI

cim:SynchronousMachine.coolantCondition

Cardinality

0..1

Type

float

coolantType

Method of cooling the machine.

URI

cim:SynchronousMachine.coolantType

Cardinality

0..1

Type

CoolantType

description

The description is a free human readable text describing or naming the object. It may be non unique and may not correlate to a naming hierarchy.

URI

cim:IdentifiedObject.description

Cardinality

0..1

Type

string

Inherited from

IdentifiedObject

DiagramObjects

The diagram objects that are associated with the domain object.

URI

cim:IdentifiedObject.DiagramObjects

Cardinality

0..*

Type

DiagramObject

Inherited from

IdentifiedObject

earthing

Indicates whether or not the generator is earthed. Used for short circuit data exchange according to IEC 60909.

URI

cim:SynchronousMachine.earthing

Cardinality

0..1

Type

boolean

earthingStarPointR

Generator star point earthing resistance (Re). Used for short circuit data exchange according to IEC 60909.

URI

cim:SynchronousMachine.earthingStarPointR

Cardinality

0..1

Type

Resistance

earthingStarPointX

Generator star point earthing reactance (Xe). Used for short circuit data exchange according to IEC 60909.

URI

cim:SynchronousMachine.earthingStarPointX

Cardinality

0..1

Type

Reactance

EnergyComponent

URI

cim:EnergyConnection.EnergyComponent

Cardinality

0..*

Type

EnergyComponent

Inherited from

EnergyConnection

EqiupmentLimitSeriesComponent

Equipment limit series calculation component to which this equipment contributes.

URI

cim:Equipment.EqiupmentLimitSeriesComponent

Cardinality

0..*

Type

EquipmentLimitSeriesComponent

Inherited from

Equipment

EquipmentContainer

Container of this equipment.

URI

cim:Equipment.EquipmentContainer

Cardinality

0..1

Type

EquipmentContainer

Inherited from

Equipment

EquipmentUnavailabilitySchedule

URI

cim:Equipment.EquipmentUnavailabilitySchedule

Cardinality

0..*

Type

EquipmentUnavailabilitySchedule

Inherited from

Equipment

Faults

All faults on this equipment.

URI

cim:Equipment.Faults

Cardinality

0..*

Type

Fault

Inherited from

Equipment

GeneratingUnit

A synchronous machine may operate as a generator and as such becomes a member of a generating unit.

URI

cim:RotatingMachine.GeneratingUnit

Cardinality

0..1

Type

GeneratingUnit

Inherited from

RotatingMachine

GenericAction

The generic action that is performed on the power system resource

URI

cim:PowerSystemResource.GenericAction

Cardinality

0..*

Type

GenericAction

Inherited from

PowerSystemResource

GroundingAction

Action involving grounding operation on this conducting equipment.

URI

cim:ConductingEquipment.GroundingAction

Cardinality

0..1

Type

GroundAction

Inherited from

ConductingEquipment

HydroPump

The synchronous machine drives the turbine which moves the water from a low elevation to a higher elevation. The direction of machine rotation for pumping may or may not be the same as for generating.

URI

cim:RotatingMachine.HydroPump

Cardinality

0..1

Type

HydroPump

Inherited from

RotatingMachine

ikk

Steady-state short-circuit current (in A for the profile) of generator with compound excitation during 3-phase short circuit. - Ikk=0: Generator with no compound excitation. - Ikk<>0: Generator with compound excitation. Ikk is used to calculate the minimum steady-state short-circuit current for generators with compound excitation. (4.6.1.2 in IEC 60909-0:2001). Used only for single fed short circuit on a generator. (4.3.4.2. in IEC 60909-0:2001).

URI

cim:SynchronousMachine.ikk

Cardinality

0..1

Type

CurrentFlow

InitialReactiveCapabilityCurve

The default reactive capability curve for use by a synchronous machine.

URI

cim:SynchronousMachine.InitialReactiveCapabilityCurve

Cardinality

0..1

Type

ReactiveCapabilityCurve

inService

Specifies the availability of the equipment. True means the equipment is available for topology processing, which determines if the equipment is energized or not. False means that the equipment is treated by network applications as if it is not in the model.

URI

cim:Equipment.inService

Cardinality

0..1

Type

boolean

Inherited from

Equipment

InstanceSet

Dataset containing the data objects.

URI

cim:IdentifiedObject.InstanceSet

Cardinality

1

Type

InstanceSet

Inherited from

IdentifiedObject

JumpingAction

Jumper action involving jumping operation on this conducting equipment.

URI

cim:ConductingEquipment.JumpingAction

Cardinality

0..1

Type

JumperAction

Inherited from

ConductingEquipment

LimitDependencyModel

Limit dependencymodels organized under this equipment as a means for organizing the model in a tree view.

URI

cim:Equipment.LimitDependencyModel

Cardinality

0..*

Type

LimitDependency

Inherited from

Equipment

Location

Location of this power system resource.

URI

cim:PowerSystemResource.Location

Cardinality

0..1

Type

Location

Inherited from

PowerSystemResource

manualToAVR

Time delay required when switching from Manual to Automatic Voltage Regulation. This value is used in the accelerating power reference frame for powerflow solutions.

URI

cim:SynchronousMachine.manualToAVR

Cardinality

0..1

Type

Seconds

maxQ

Maximum reactive power limit. This is the maximum (nameplate) limit for the unit.

URI

cim:SynchronousMachine.maxQ

Cardinality

0..1

Type

ReactivePower

maxU

Maximum voltage limit for the unit.

URI

cim:SynchronousMachine.maxU

Cardinality

0..1

Type

Voltage

Measurements

The measurements associated with this power system resource.

URI

cim:PowerSystemResource.Measurements

Cardinality

0..*

Type

Measurement

Inherited from

PowerSystemResource

minQ

Minimum reactive power limit for the unit.

URI

cim:SynchronousMachine.minQ

Cardinality

0..1

Type

ReactivePower

minU

Minimum voltage limit for the unit.

URI

cim:SynchronousMachine.minU

Cardinality

0..1

Type

Voltage

mRID

Master resource identifier issued by a model authority. The mRID is unique within an exchange context. Global uniqueness is easily achieved by using a UUID, as specified in RFC 4122, for the mRID. The use of UUID is strongly recommended. For CIMXML data files in RDF syntax conforming to IEC 61970-552, the mRID is mapped to rdf:ID or rdf:about attributes that identify CIM object elements.

URI

cim:IdentifiedObject.mRID

Cardinality

0..1

Type

string

Inherited from

IdentifiedObject

mu

Factor to calculate the breaking current (Section 4.5.2.1 in IEC 60909-0). Used only for single fed short circuit on a generator (Section 4.3.4.2. in IEC 60909-0).

URI

cim:SynchronousMachine.mu

Cardinality

0..1

Type

float

name

The name is any free human readable and possibly non unique text naming the object.

URI

cim:IdentifiedObject.name

Cardinality

0..1

Type

string

Inherited from

IdentifiedObject

Names

All names of this identified object.

URI

cim:IdentifiedObject.Names

Cardinality

0..*

Type

Name

Inherited from

IdentifiedObject

networkAnalysisEnabled

The equipment is enabled to participate in network analysis. If unspecified, the value is assumed to be true.

URI

cim:Equipment.networkAnalysisEnabled

Cardinality

0..1

Type

boolean

Inherited from

Equipment

normallyInService

Specifies the availability of the equipment under normal operating conditions. True means the equipment is available for topology processing, which determines if the equipment is energized or not. False means that the equipment is treated by network applications as if it is not in the model.

URI

cim:Equipment.normallyInService

Cardinality

0..1

Type

boolean

Inherited from

Equipment

operatingMode

Current mode of operation.

URI

cim:SynchronousMachine.operatingMode

Cardinality

0..1

Type

SynchronousMachineOperatingMode

OperatingShare

The operating shares of this power system resource.

URI

cim:PowerSystemResource.OperatingShare

Cardinality

0..*

Type

OperatingShare

Inherited from

PowerSystemResource

OperationalLimitSet

The operational limit sets associated with this equipment.

URI

cim:Equipment.OperationalLimitSet

Cardinality

0..*

Type

OperationalLimitSet

Inherited from

Equipment

OperationalRestrictions

All operational restrictions for this equipment.

URI

cim:Equipment.OperationalRestrictions

Cardinality

0..*

Type

OperationalRestriction

Inherited from

Equipment

OperationalTags

All operational tags placed on this power system resource.

URI

cim:PowerSystemResource.OperationalTags

Cardinality

0..*

Type

OperationalTag

Inherited from

PowerSystemResource

Outage

The outage that is isolated by the outage isolation equipment.

URI

cim:ConductingEquipment.Outage

Cardinality

0..1

Type

Outage

Inherited from

ConductingEquipment

Outages

All outages in which this equipment is involved.

URI

cim:Equipment.Outages

Cardinality

0..*

Type

Outage

Inherited from

Equipment

p

Active power injection. Load sign convention is used, i.e. positive sign means flow out from a node. Starting value for a steady state solution.

URI

cim:RotatingMachine.p

Cardinality

0..1

Type

ActivePower

Inherited from

RotatingMachine

PinEquipment

URI

cim:Equipment.PinEquipment

Cardinality

0..*

Type

PinEquipment

Inherited from

Equipment

PrimeMovers

Prime movers that drive this SynchronousMachine.

URI

cim:SynchronousMachine.PrimeMovers

Cardinality

0..*

Type

PrimeMover

PropertiesCIMDataObject

The single CIM data object in the appropriate dataset context.

URI

cim:IdentifiedObject.PropertiesCIMDataObject

Cardinality

0..1

Type

ChangeSetMember

Inherited from

IdentifiedObject

ProtectionEquipments

Protection equipment used to protect specific conducting equipment.

URI

cim:ConductingEquipment.ProtectionEquipments

Cardinality

0..*

Type

ProtectionEquipment

Inherited from

ConductingEquipment

ProtectiveActionAdjustment

The operating condition to the Conducting Equipment is changed when protective action adjustment is activated. For ShuntCompensator or other conducting equipment that operates on discrete values (integer), the values given in float will be rounded.

URI

cim:ConductingEquipment.ProtectiveActionAdjustment

Cardinality

0..*

Type

ProtectiveActionAdjustment

Inherited from

ConductingEquipment

ProtectiveActionEquipment

Protective action is controlling equipment. This can be direct signals from the control center, or emulation of action done by protection equipment.

URI

cim:Equipment.ProtectiveActionEquipment

Cardinality

0..*

Type

ProtectiveActionEquipment

Inherited from

Equipment

PSREvents

All events associated with this power system resource.

URI

cim:PowerSystemResource.PSREvents

Cardinality

0..*

Type

PSREvent

Inherited from

PowerSystemResource

PSRType

Custom classification for this power system resource.

URI

cim:PowerSystemResource.PSRType

Cardinality

0..1

Type

PSRType

Inherited from

PowerSystemResource

q

Reactive power injection. Load sign convention is used, i.e. positive sign means flow out from a node. Starting value for a steady state solution.

URI

cim:RotatingMachine.q

Cardinality

0..1

Type

ReactivePower

Inherited from

RotatingMachine

qPercent

Part of the coordinated reactive control that comes from this machine. The attribute is used as a participation factor not necessarily summing up to 100% for the participating devices in the control.

URI

cim:SynchronousMachine.qPercent

Cardinality

0..1

Type

PerCent

r

Equivalent resistance (RG) of generator. RG is considered for the calculation of all currents, except for the calculation of the peak current ip. Used for short circuit data exchange according to IEC 60909.

URI

cim:SynchronousMachine.r

Cardinality

0..1

Type

Resistance

r0

Zero sequence resistance of the synchronous machine.

URI

cim:SynchronousMachine.r0

Cardinality

0..1

Type

Resistance

r2

Negative sequence resistance.

URI

cim:SynchronousMachine.r2

Cardinality

0..1

Type

Resistance

ratedPowerFactor

Power factor (nameplate data). It is primarily used for short circuit data exchange according to IEC 60909. The attribute cannot be a negative value.

URI

cim:RotatingMachine.ratedPowerFactor

Cardinality

0..1

Type

float

Inherited from

RotatingMachine

ratedS

Nameplate apparent power rating for the unit. The attribute shall have a positive value.

URI

cim:RotatingMachine.ratedS

Cardinality

0..1

Type

ApparentPower

Inherited from

RotatingMachine

ratedU

Rated voltage (nameplate data, Ur in IEC 60909-0). It is primarily used for short circuit data exchange according to IEC 60909. The attribute shall be a positive value.

URI

cim:RotatingMachine.ratedU

Cardinality

0..1

Type

Voltage

Inherited from

RotatingMachine

ReactiveCapabilityCurves

All available reactive capability curves for this synchronous machine.

URI

cim:SynchronousMachine.ReactiveCapabilityCurves

Cardinality

0..*

Type

ReactiveCapabilityCurve

referencePriority

Priority of unit for use as powerflow voltage phase angle reference bus selection. 0 = don t care (default) 1 = highest priority. 2 is less than 1 and so on.

URI

cim:SynchronousMachine.referencePriority

Cardinality

0..1

Type

integer

RegulatingControl

The regulating control scheme in which this equipment participates.

URI

cim:RegulatingCondEq.RegulatingControl

Cardinality

0..1

Type

RegulatingControl

Inherited from

RegulatingCondEq

ReportingGroup

Reporting groups to which this power system resource belongs.

URI

cim:PowerSystemResource.ReportingGroup

Cardinality

0..*

Type

ReportingGroup

Inherited from

PowerSystemResource

satDirectSubtransX

Direct-axis subtransient reactance saturated, also known as Xd"sat.

URI

cim:SynchronousMachine.satDirectSubtransX

Cardinality

0..1

Type

PU

satDirectSyncX

Direct-axes saturated synchronous reactance (xdsat); reciprocal of short-circuit ration. Used for short circuit data exchange, only for single fed short circuit on a generator. (4.3.4.2. in IEC 60909-0:2001).

URI

cim:SynchronousMachine.satDirectSyncX

Cardinality

0..1

Type

PU

satDirectTransX

Saturated Direct-axis transient reactance. The attribute is primarily used for short circuit calculations according to ANSI.

URI

cim:SynchronousMachine.satDirectTransX

Cardinality

0..1

Type

PU

shortCircuitRotorType

Type of rotor, used by short circuit applications, only for single fed short circuit according to IEC 60909.

URI

cim:SynchronousMachine.shortCircuitRotorType

Cardinality

0..1

Type

ShortCircuitRotorKind

SvStatus

The status state variable associated with this conducting equipment.

URI

cim:ConductingEquipment.SvStatus

Cardinality

0..*

Type

SvStatus

Inherited from

ConductingEquipment

SynchronousMachineDynamics

Synchronous machine dynamics model used to describe dynamic behaviour of this synchronous machine.

URI

cim:SynchronousMachine.SynchronousMachineDynamics

Cardinality

0..1

Type

SynchronousMachineDynamics

TargetingCIMDataObject

Data objects registered.

URI

cim:IdentifiedObject.TargetingCIMDataObject

Cardinality

0..*

Type

ChangeSetMember

Inherited from

IdentifiedObject

Terminals

Conducting equipment have terminals that may be connected to other conducting equipment terminals via connectivity nodes or topological nodes.

URI

cim:ConductingEquipment.Terminals

Cardinality

0..*

Type

Terminal

Inherited from

ConductingEquipment

type

Modes that this synchronous machine can operate in.

URI

cim:SynchronousMachine.type

Cardinality

0..1

Type

SynchronousMachineKind

UsagePoints

All usage points connected to the electrical grid through this equipment.

URI

cim:Equipment.UsagePoints

Cardinality

0..*

Type

UsagePoint

Inherited from

Equipment

VerificationAction

The verification action that is performed on the power system resource

URI

cim:PowerSystemResource.VerificationAction

Cardinality

0..*

Type

VerificationAction

Inherited from

PowerSystemResource

voltageRegulationRange

Range of generator voltage regulation (PG in IEC 60909-0) used for calculation of the impedance correction factor KG defined in IEC 60909-0. This attribute is used to describe the operating voltage of the generating unit.

URI

cim:SynchronousMachine.voltageRegulationRange

Cardinality

0..1

Type

PerCent

WeatherStation

URI

cim:Equipment.WeatherStation

Cardinality

0..*

Type

WeatherStation

Inherited from

Equipment

x0

Zero sequence reactance of the synchronous machine.

URI

cim:SynchronousMachine.x0

Cardinality

0..1

Type

Reactance

x2

Negative sequence reactance.

URI

cim:SynchronousMachine.x2

Cardinality

0..1

Type

Reactance