Buses - University of Washington
Power System Application Data Dictionary
Version: 2.1
Date: July 1, 1995
• Analog Data
• Application Miscellaneous Data
• Bus Data
• Company Data
• Connectivity Node Data
• Equivalent AC Series Device Data
• Equivalent Injection/Shunt Device Data
• Generator Data
- Generator Capability Curve Data
- Generator Grouping Data
- Generator Heat Rate Curve Data
- Generator Output Allocation Data
- Generator Rating Data
• Group Data
• Interchange Control Data
• Line Data
- Line D.C. Data
- Line Mutual Coupling Data
• Load Data
- Load (Voltage Dependent Model) Data
- Load (Voltage and Frequency Dependent Model) Data
- Load (Tabular Definition of Power vs Voltage) Data
- Load (Induction Motor Model) Data
- Load (Generator Dependent Model) Data
• Ownership Data
• Rating Data
• Shunt (Nonsynchronous) Device Data
• Station Data
• Status Data
• Switching Device Data
• Transaction Data
• Transformer Data
- Transformer Grouping Data
- Transformer Winding
- Transformer Manually Adjusted Tap Data
- Transformer Winding Rating Data
- Transformer TCUL Data
- Transformer Maunally Adjusted Phase Shift Data
- Transformer Automatically Adjusted Phase Shift Data
Analog Data
|Name |Description |Units |Defaults |Constraints |Data Type |
|Analog Number |Unique number identifying the analog | | | |Integer |
|AnalogNumber |information | | | | |
|Analog Set number |Number identifying the set of analog | | | |Integer |
|AnalogSet |values referenced by a device | | | | |
|Analog Name |Name of analog information | | | |Text |
|AnalogName | | | | | |
|Analog value source |Source of analog value | |Defaults to zero| |Integer |
|AnalogSource |where: | | | | |
| |A = application solution | | | | |
| |T = telemetry | | | | |
| |P = pseudomeasurement | | | | |
| |S = schedule | | | | |
|Type |Indicates what type this is, where: | | |Mandatory |Text |
|AnalogType |VM = Voltage Magnitude, Kv | | | | |
| |MW = Megawatts | | | | |
| |MR = Megavoltamperes- reactive | | | | |
| |MA = Megavoltamperes | | | | |
| |A = Amp | | | | |
| |TR = Transformer voltage Ratio | | | | |
| |TA = Tranformer Phase angle | | | | |
| |TT = Transformer Tap position | | | | |
| |VA = Voltage Angle, deg. | | | | |
| |FQ = Frequency | | | | |
|Analog Assigned Device |Indicates device type which is associated | | | |Text |
|AnalogAssignDevice |with values, where: | | | | |
| |BS = Bus section | | | | |
| |LN = Line | | | | |
| |TR = Transformer | | | | |
| |SW = Switching device | | | | |
| |GN = Generator | | | | |
| |LD = Load | | | | |
| |SH = Shunt | | | | |
| |IA = Interchange Area | | | | |
|Analog Location |Indicates location of a measurement on | | |Bus Number or |Integer |
|AnalogLocation |devices where multiple locations exist | | |Connectivity Node | |
| |(i.e., buses, lines, etc.), where | | |number is provided | |
| |location is the connectivity node number | | |based on setting of | |
| |(ConnectivityNodeNumber) or bus number | | |ModelConnectivityType | |
| |(BusNumber)of a measurement. | | | | |
|Analog Value |Numeric value | | |Sign convention of |Real |
|AnalogValue | | | |“flow” values is | |
| | | | |typically positve out | |
| | | | |of the bus section for | |
| | | | |series devices and into| |
| | | | |bus for shunt devices | |
Analog Data (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Analog Sign Reversal |Indicates that the sign of the value | | | |Text |
|AnalogSignRev |should be reversed before being used at| | | | |
| |the location indicated due to available| | | | |
| |value opposite normal sign convention | | | | |
| |of AnalogValue, where, | | | | |
| |blank = no reversal | | | | |
| |- = reverse sign | | | | |
|Analog Quality Code |Indicates quality of value, where: | |Defaults to G |Optional |Text |
|AnalogQuality |G = Good | |(Good) | | |
| |B = Bad | | | | |
| |UA = Unavailable | | | | |
| |DV = Default Value | | | | |
| |OV = Override value | | | | |
|Analog Use Code |Indicates utilization instructions, | | |Optional |Text |
|AnalogUse |where: | | | | |
| |U = Use if Good | | | | |
| |F = Forced Use (e.g., as external | | | | |
| |system reg. voltage or | | | | |
| |pseudomeasurement | | | | |
| |I = Inhibit Use | | | | |
|Analog Standard Deviation |Indicates one standard assuming “bell” | | |Mandatory |Real |
|AnalogStdDev |shaped curve (no bias) | | | | |
|Analog Estimated Value |Numeric value of the estimated value | | |Optional |Real |
|AnalogEstValue | | | | | |
|Analog Normalized Residual |Numeric value of estimated value | | |Optional |Real |
|AnalogNormResidual |divided by covariance | | | | |
|Analog Estimated Value Quality |Indicates quality of estimated value, | | |Optional |Integer |
|Code |where: | | | | |
|AnalogEstQuality |G = Good | | | | |
| |S = Suspect | | | | |
| |TC = Telemetry Correction | | | | |
Application Miscellaneous Data
|Name |Description |Units |Defaults |Constraints |Data Type |
|Base MVA |MVA base for perfor unit derivation|MVA |100. |Mandatory if non-p.u. |Real |
|BaseMVA | | | |information (Mw, Amps,| |
| | | | |etc.) provided | |
|Case title |User defined case title for data | | | |Text |
|Title |provided | | | | |
|Model Connectivity Type |Indicates what form bus model | |Defaults to |If BusSection, |Text |
|ModelConnectivityType |connectivity data is provided in: | |BusModel |switching device data | |
| |BM or BusModel | | |must exist to define | |
| |BS or BusSection | | |bus sections. | |
| |BO or Both | | | | |
|Post-Contingency Generator MW Response |Indicates method of assigning | | |Mandatory if |Text |
|ContingencyGenMWResponse |generator response to contingency, | | |contingency cases | |
| |where: | | |defined | |
| |RF = Use gen. response factors | | | | |
| |PC = Proportional to gen Mw | | | | |
| |capacity | | | | |
| |PO = Proportional to gen Mw output | | | | |
| |AI = Per area interchange control | | | | |
Buses
|Name |Definition |Units |Default |Constraints |Data Type |
|Bus Identifier, |Loadflow integer identifier,bus number | | |Mandatory; must be unique |Integer |
|BusNumber | | | |and > zero | |
|Bus Name |Loadflow character identifier,bus name| | |Mandatory; must be unique |Text |
| | | | |when used in combination | |
|BusName | | | |with base voltage - BasekV | |
| Bus base voltage, |Base voltage line-to-line RMS if a.c. |kV | |Mandatory; must be unique |Real |
|BasekV |; Line-to-ground if d.c. | | |when used in combination | |
| | | | |with bus name -BusName | |
|Final Bus Island |Electrical island in which bus is | | | |Integer |
|FinalBusIsland |loacated | | | | |
|Bus split indicator |Number of primary bus (BusNumber) from | | |Used when |Integer |
| |which this bus was split. Informational| | |ModelConnectivityType is BM| |
|SplitBusIndicator | | | |(i.e.,bus model) since no | |
| | | | |topology process to resolve| |
| | | | |bus sections is assumed | |
|Status |Indicates whether the bus is in service| |Defaults to In | |Text |
| |or not; | | | | |
|BusStatus |Out = out of service | | | | |
| |In = in service | | | | |
|Voltage Magnitude solved, |Magnitude of bus voltage. Solved value |per unit |Defaults to |Calculated by power flow or|Real |
|BusVmagSolve | | |unity |state estimation solution. | |
| | | | |This attribute may be used | |
| | | | |instead of BusAnalogSet for| |
| | | | |solution values. | |
| Phase Angle |Phase angle of bus voltage; zero for |degrees |defaults to |-360 < value < 360 |Real |
|solved, |d.c. bus. Solved value | |zero |Calculated by power flow or| |
|BusVangleSolve | | | |state estimation solution. | |
| | | | |This attribute may be used | |
| | | | |instead of BusAnalogSetNo | |
| | | | |for solution values. | |
|Bus MW Mismatch |Net Mw not assigned to generator, load |MW | | |Real |
|BusMWMismatch |or shunt (or est. Mw on zero injection | | | | |
| |bus) | | | | |
|Bus Mvar Mismatch |Net Mvar not assigned to generator, |Mvar | | |Real |
|BusMvarMismatch |load or shunt (or est. Mvar on zero | | | | |
| |injection bus) | | | | |
|Bus Analog setVoltage Magnitude|Set number of analog measurement | | |Mandatory |IntegerReal |
|measured |forMagnitude of bus voltage. Measured | | | | |
|Mmag |bus voltages (AnalogSet) | | | | |
|BusAnalogSetNo | | | | | |
Buses (Continuted)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Bus Observability |Indication of bus observability from |degrees | |OptionalMandatory |Text |
|BusObservPhase Angle |State EstimationPhase angle of bus | | | | |
|measured |voltage; zero for d.c. bus. Measured | | | | |
| |value, where: | | | | |
|Mangle |U = Unobservable | | | | |
| |O = Observable | | | | |
| |OB = Observable Boundary | | | | |
|Bus Base Frequency |Bus base frequency; zero for d.c. bus |hertz |Defaults to | |Real |
|BusBaseFreq | | |system | | |
| | | |frequency | | |
| Bus actual frequency |Actual frequency at bus in per unit of |per unit |Defaults to | |Real |
|BusActualFreq |bus base frequency; zero for d.c. bus | |unity | | |
| Geographic Coordinate X |Approximate geographic location of the |not specified| | |Real |
| |bus along a given horizontal axis | | | | |
|BusCoordX | | | | | |
| Geographic Coordinate Y |Approximate geographic location of the |not specified| | |Real |
| |bus along a given vertical axis | | | | |
|BusCoordY | | | | | |
|Bus Location |Group set (GroupSet) number to which | | |Optional if |Integer |
|BusLocation |this bus belongs | | |BusStationLocation not used | |
| | | | |for defining stations | |
|Station Location |Station location (StationNumber) where | | |Optional. Should not be |Integer |
|BusStationLocation |Bus is located | | |used if BusLocation used to | |
| | | | |define stations | |
| Descriptive Text |Text describing this bus | | | |Text |
|BusDescription | | | | | |
| BusControl Objective Co Type |Type of BusType of voltage control | |Defaults to L | |Text |
|Code |objective | |or Load | | |
| |*L or Load (no control) | | | | |
|BusTypeCtrlCode | | | | | |
| |*CB or1 = control to target -Voltage| | | | |
| |target | | | | |
| |2 ControlToBand (Lower Voltage Control | | | | |
| |Limits, Upper Voltage Control Limit) | | | | |
| | | | | | |
| |*CT or ControlToTarget -(Voltage target| | | | |
| |- within Controlling Element limits) | | | | |
| | | | | | |
| |*S = Swing (Bus Fixed Voltage and | | | | |
| |Angle) | | | | |
| | | | | | |
| |*I = Isolated (Bus electrically | | | | |
| |isolated) | | | | |
|Voltage Target |Voltage magnitude setpoint |per unit | |Mandatory if control |Real |
|BusVoltTarget | | | |objective code (BusTypeCode)| |
| | | | |is CT1 or S | |
Buses (Continuted)
|Name |Description |Units |Defaults |Constraints |Data Type |
| Lower Voltage Control Limit |Voltage control band lower limit |per unit | |Mandatory if BusTypeCode |Real |
|BusLowVoltLim | | | |is CB | |
| Upper Voltage Control Limit |Voltage control band upper limit |per unit | |Mandatory if BusTypeCode |Real |
|BusUpVoltLim | | | |is CB | |
|Bus volt limit ID (1...N) |Rating number assigned to limit | | | |Integer |
|BusLimitId |(RatingNumber) | | | | |
| Bus Voltage limit Value (1...N) |Rating Value for limit of this bus |As defined by | | |Real |
|BusLimitValue |for corresponding Rating ID |rating units | | | |
|Control priority code |Character string containing letters T| | |No leading blanks. Up to 4|Text |
| |S N and C ordered left to right in | | |characters long | |
|BusControlPriorityCode |Controlling Element priority | | | | |
| |T= transformer | | | | |
| |S= Synchronous machine | | | | |
| |N =nonsynchronous shunt reactive | | | | |
| |device | | | | |
| |C= d.c. converter | | | | |
|Commissioning Date |Date the device goes into service |MM/DD/YY | | |Date |
|BusCommission | | | | | |
|Decommissioning Date |Date the device goes out of service |MM/DD/YY | | |Date |
|BusDecommission | | | | | |
|Bus Ownnwership |Ownnwer of this bus (OwnershipSet | |Default = 0 |Active attribute if 100 % |IntegerText |
|BusOwnershipSet |number if not 100%, set = 0) | | |ownership can be assumed, | |
| | | | |otherwise ownership set | |
| | | | |number | |
|Negative Sequence Voltage |Magnitude of negative sequence |per unit |Defaults to | |Real |
|BusNegSeqVolt |voltage | |zero | | |
| Negative Sequence Angle |Phase angle of negative sequence |degrees |Defaults to | |Real |
|BusNegSeqAng |voltage at this bus | |zero | | |
| Zero Sequence Voltage |Magnitude of zero sequence voltage |per unit |Defaults to | |Real |
|BusZeroSeqVolt | | |zero | | |
| Zero Sequence Angle |Phase angle of zero sequence voltage |degrees |Defaults to | |Real |
|BusZeroSeqAng |at this bus | |zero | | |
Company Data
|Name |Description |Units |Defaults |Constraints |Data Type |
|Company Number |Unique number identifying | | |Mandatory, if this type |Integer |
|CompanyNumber |Company data | | |data is used by Station | |
| | | | |(StationCompanyLocation). | |
| | | | |Use of Company object is | |
| | | | |optional if Group Object is| |
| | | | |used to group Station | |
| | | | |(StationLocation) | |
|Company Name |Name of Company | | |Optional |Text |
|CompanyName | | | | | |
Connectivity Node
|Name |Description |Units |Defaults |Constraints |Data Type |
|Connectivity Node Number |Unique number identifying | | |Mandatory, if this type|Integer |
|ConnectivityNodeNumber |Connectivity Node where terminals | | |data is used; Numbers | |
| |of equipment connect through zero | | |used must be unique | |
| |impedance connections | | |within a given bus | |
|Connectivity Node Name |Name describing Connectivity Node | | |Optional |Text |
|ConnectivityNodeName | | | | | |
|Connectivity Node Analog SetVoltage |Set number of analog forMagnitude | | |Mandatory |IntegerReal |
|Magnitude measured |of bus voltage. Measured | | | | |
|Mmag |connectivity node voltages | | | | |
|ConnectivityNodeAnalogSetNo |(AnalogSet) | | | | |
|Bus Location of Connectivity Node |Bus Number (BusNumber) at which | | | |Integer |
|ConnectivityNodeBusNumber |Connectivity Node is located | | | | |
Equivalent AC Series Element Data
|Name |Description |Units |Defaults |Constraints |Data Type |
|Equivalent series element number |Unique number for the equivalent | | |Mandatory |Integer |
|EquivSeriesNumber |series element | | | | |
|Equivalent Series element Name EquivSeriesName|Name of equivalent series element| | |Mandatory |text |
| From Bus Identifier |Number of "from" bus of this line| | |Mandatory; If From|Integer |
|EquivSeriesFromBusNo |branch | | |Bus Name is | |
| | | | |ommitted | |
|From Bus Name |Name of “from” bus of this line | | |Mandatory If From |Text |
|EquivSeriesFromBusName |branch | | |Bus Indentifier is| |
| | | | |ommitted | |
|From Bus Section Number |Number of “from” connectivity | | |Required if |Text |
|EquivSeriesFromNodeNo |node connection of this line | | |ModelConnectivityT| |
| | | | |ype equal BS or BO| |
| To Bus Identifier |Number of "to" bus of this line | | |Mandatory; if |Integer |
|EquivSeriesToBusNo | | | |EquivSeriesToBusNa| |
| | | | |me is omitted | |
|To Bus Name |Name of “to” bus of this line | | |Mandatory if | |
|EquivSeriesToBusName | | | |EquivSeriesToBusNo| |
| | | | |is omitted | |
|To Bus Section Number |Number of “to” connectivity node | | |Required if |Text |
|EquivSeriesToNodeNo |connection of this line | | |ModelConnectivityT| |
| | | | |ype equal BS or BO| |
| Circuit Identifier |Alphanumeric circuit identifier | | |Mandatory |Text |
| |to distinguish among several | | | | |
|EquivSeriesCircuit |linesbranches joining the same | | | | |
| |pair of buses | | | | |
| Equivalent series element Status |Identifies line’s status | |Defaults to |Primary use if |Integer |
| |information in Status measurement| |unity |ModelConnectivityT| |
|EquivSeriesStatus |data via StatusNumber entry | | |ype = BM model is | |
| | | | |used (i.e., bus | |
| | | | |model with no | |
| | | | |topology | |
| | | | |processing) | |
| Equivalent Series element Analog Values Set |Identifies the set of the line’s | | | |Integer |
| |analog information in analog | | | | |
|EquivSeriesAnalogSetNo |measurement data via AnalogSet | | | | |
Equivalent AC Series Element Data (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Equivalent series device From MW Flow solved, |Magnitude of equivalent |MW | |Calculated by power flow |Real |
|EquivSeriesFromMWSolve |series device MW flow at | | |or state estimation | |
| |From end. Solved value | | |solution. This attribute | |
| | | | |may be used instead of | |
| | | | |EquivSeriesAnalogSetNo | |
| | | | |for solution values. | |
| | | | |Positive out of bus. | |
|Equivalent series device From Mvar Flow |Magnitude of Equivalent |Mvar | |Calculated by power flow |Real |
|solved, |series device Mvar flow at | | |or state estimation | |
|EquivSeriesFromMvarSolve |From end. Solved value | | |solution. This attribute | |
| | | | |may be used instead of | |
| | | | |EquivSeriesAnalogSetNo | |
| | | | |for solution values. | |
| | | | |Positive out of bus. | |
|Equivalent series device To MW Flow solved, |Magnitude of Equivalent |MW | |Calculated by power flow |Real |
|EquivSeriesToMWSolve |series device MW flow at To| | |or state estimation | |
| |end. Solved value | | |solution. This attribute | |
| | | | |may be used instead of | |
| | | | |EquivSeriesAnalogSetNo | |
| | | | |for solution values. | |
| | | | |Positive out of bus. | |
|Equivalent series device To Mvar Flow solved, |Magnitude of Equivalent |Mvar | |Calculated by power flow |Real |
|EquivSeriesToMvarSolve |series device Mvar flow at | | |or state estimation | |
| |To end. Solved value | | |solution. This attribute | |
| | | | |may be used instead of | |
| | | | |EquivSeriesAnalogSetNo | |
| | | | |for solution values. | |
| | | | |Positive out of bus. | |
Equivalent AC Series Element Data (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Commissioning Date |Date the device goes into |MM/DD/YY | | |Date |
|EquivSeriesCommission |service | | | | |
|Decommissioning Date |Date the device goes out of|MM/DD/YY | | |Date |
|EquivSeriesDecommission |service | | | | |
|Equivalent Series Resistance, R |Series resistance of this |per unit on system base MVA| |Mandatory |Real |
|EquivSeriesSectionR |section |and section base voltage | | | |
|Equivalent Series Reactance, X |Series reactance of this |per unit on system base MVA| |Mandatory; for a |Real |
|EquivSeriesSectionX |section |and section base voltage | |d.c. line base | |
| | | | |frequency must be | |
| | | | |system frequency | |
| Shunt Conductance, +G |Total uniformly distributed|per unit on system base MVA|Defaults to | |Real |
| |shunt conductance of this |and section base voltage |zero | | |
|EquivSeriesLineShuntCond |series element | | | | |
| Shunt Susceptance, |Total uniformly distributed|per unit on system base MVA| |Mandatory; for a |Real |
|+B |shunt susceptance of this |and section base voltage | |d.c. line base | |
| |series element | | |frequency must be | |
|EquivSeriesLineShuntSuscept | | | |system frequency | |
Equivalent Injection/Shunt Element Data
|Name |Description |Units |Defaults |Constraints |Data Type |
|Equivalent inj/shunt element number |Unique number for the equivalent | | |Mandatory |Integer |
|EquivShuntNumber |inj/shunt element | | | | |
|Equivalent Inj/shunt element Name |Name of equivalent inj/shunt | | |Mandatory |text |
|EquivShuntName |element | | | | |
|Bus Identifier |Number of terminal bus (BusNumber) | | |Mandatory; If From|Integer |
|EquivShuntBusNo |of this line branch | | |Bus Name is | |
| | | | |ommitted | |
|Bus Name |Name of terminal bus of this line | | |Mandatory If From |Text |
|EquivShuntBusName |branch | | |Bus Indentifier is| |
| | | | |omitted | |
|Bus Section Number |Number of terminal bus section | | |Required if |Text |
|EquivShuntConnectivityNode |connection of this line branch | | |ModelConnectivityT| |
| | | | |ype not equal BM | |
|Commissioning Date |Date the device goes into service |MM/DD/YY | | |Date |
|EquivShuntCommission | | | | | |
|Decommissioning Date |Date the device goes out of service|MM/DD/YY | | |Date |
|EquivShuntDecommission | | | | | |
|Equivalent inj/status element Status |Identifies shunt’s status | |Defaults to |Primary use if |Integer |
|EquivShuntStatus |information in Status measurement | |unity |ModelConnectivityT| |
| |data via StatusNumber entry | | |ype = BM model is | |
| | | | |used (i.e., bus | |
| | | | |model with no | |
| | | | |topology | |
| | | | |processing) | |
| Equivalent Inj/Shunt element Analog |Identifies the set of the shunt’s | | | |Integer |
|Values Set |analog information in analog | | | | |
| |measurement data via AnalogSet if | | | | |
|EquivShuntAnalogSetNo | | | | | |
|Equivalent Injection/Shunt Type |Type of equivalent device, where | | |Mandatory |Integer |
|EquivShuntType |PQ = PQ Injection | | | | |
| |GB = Shunt GB Admittance | | | | |
|Equivalent Shunt Conductance, +G |Total uniformly distributed shunt |per unit on system base |Defaults to zero| |Real |
| |conductance of this series element |MVA and section base | | | |
|EquivShuntConductance |if type = 1 |voltage | | | |
|Equivalent Shunt Susceptance, |Total uniformly distributed shunt |per unit on system base | | |Real |
|+B |susceptance of this shunt element |MVA and section base | | | |
|EquivShuntSusceptance |if type = 1 |voltage | | | |
Equivalent Injection/Shunt Element Data (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Equivalent Shunt MW solved, |Magnitude of Equivalent Shunt MW. |MW | |Optional; Calculated by |Real |
|EquivShuntMWSolve |Solved value | | |power flow or state | |
| | | | |estimation solution. This| |
| | | | |attribute may be used | |
| | | | |instead of | |
| | | | |EquivShuntAnalogSetNo for| |
| | | | |solution values. Positive| |
| | | | |out of Bus. | |
|Equivalent Shunt Mvar solved, |Magnitude of Equivalent Shunt Mvar.|Mvar | |Optional; Calculated by |Real |
|EquivShuntMvarSolve |Solved value | | |power flow or state | |
| | | | |estimation solution. This| |
| | | | |attribute may be used | |
| | | | |instead of | |
| | | | |EquivShuntAnalogSetNo for| |
| | | | |solution values. Positive| |
| | | | |out of Bus. | |
Generators
|Name |Description |Units |Defaults |Constraints |Data Type |
|Generator Number GeneratorNumber |Unique Number representing | | | |integer |
| |generator | | | | |
|Generator Name GeneratorName |Unique Name for generator | | | |text |
|Bus Identifier GeneratorBusNo |number of bus (BusNumber) to | | |mandatory |integer |
| |which machine is connected | | | | |
|Bus Section Identifier |Indicates connectivity node | | |Mandatory when |integer |
|GeneratorConnectivitiyNode |connection point of generator | | |ModelConnectivityType equal BS | |
| |(ConnectivityNodeNumber) | | |or BO | |
|Machine Identifier |alphanumeric identifier to | | |Optional if Genertor number not |Text |
|GeneratorUnitNumber |distinguish among multiple | | |providedmandatory; must uniquely | |
| |machines at this bus | | |identify the machine when used in| |
| | | | |conjunction with bus identifier | |
|Generator |Identifies generator’s status | | |Primary use if |Integerinteger |
|Status |information in Status data via | | |ModelConnectivityType = BM model| |
|GeneratorElectricalStatus |StatusNumber entry indicates | | |is used (i.e., bus model with no | |
| |whether machine is connected; 0 | | |topology processing) | |
| |= disconnected 1 = connected | | | | |
|Machine Base MVA GeneratorBaseMVA |MVA base used in expressing |MVA | |mandatory; > 0 |real |
| |machine electrical parameters in| | | | |
| |per unit (may be system BaseMVA | | | | |
| |or machine base) | | | | |
|Machine Base Voltage GeneratorBasekV |voltage base used in expressing |kV | |mandatory; > 0 |real |
| |machine electrical parameters in| | | | |
| |per unit | | | | |
|Committment Group Identifier |Number of group GroupSet to | |defaults to | |integer |
|GeneratorCommitmentGroupSet |which this unit is assigned to | |zero | | |
| |indicate the unit changes status| | | | |
| |on or off-line together with the| | | | |
| |other machines assigned to this | | | | |
| |group | | | | |
|Generator MW output solved, |Magnitude of generator MW |MW | |Calculated by power flow or state|Real |
|GeneratorMWSolve |output. Solved value | | |estimation solution. This | |
| | | | |attribute may be used instead of | |
| | | | |GeneratorAnalogSetNo for solution| |
| | | | |values. | |
|Generator Mvar Output solved, |Magnitude of generator MW |Mvar | |Calculated by power flow or state|Real |
|GeneratorMvarSolve |output. Solved value | | |estimation solution. This | |
| | | | |attribute may be used instead of | |
| | | | |GeneratorAnalogSet for solution | |
| | | | |values. | |
Generators (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Generator Analog Values |Identifies generator’s analog information in Analog |MWMW | | |integer |
|GeneratorAnalogSetNoReal Power Output |data via AnalogSet entry real power flowing from | | | |real |
| |machine to bus identified | | | | |
|Dispatch Group Identifier |Number of group (GroupSet) to which this unit is | |defaults to | |real |
|GeneratorDispatchGroupSet |assigned to indicate that a single dispatch | |unity | | |
| |requirement is determined for the group as if all | | | | |
| |machines assigned to the group are dispatched as a | | | | |
| |single unit | | | | |
|Rated Power Factor |nameplate power factor | | | |real |
|GeneratorRatedPowerFactor | | | | | |
|Type Code or Codes |four-character code describing machine type | |as defined | |Text |
|GeneratorMachineType | | |under | | |
| |1st Character Type | |definition | | |
| | | | | | |
| |G Generator | | | | |
| |M Motor | | | | |
| |C Condenser | | | | |
| |P Pump/Generator | | | | |
| |O Other | | | | |
| |2nd Character | | | | |
| |S Synchronous | | | | |
| |I Induction | | | | |
| |O Other | | | | |
| |3rd and 4th Characters | | | | |
| |2P 2-pole machine | | | | |
| |4P 4-pole machine | | | | |
| |SD Salient pole with damping | | | | |
| |SN Salient pole - no damping | | | | |
| |HC Hydrogen cooled condenser | | | | |
| |AC Air cooled condenser | | | | |
| |CR Cylindrical rotor | | | | |
| |SR Squirrel cage rotor | | | | |
| |WR Wound rotor | | | | |
| |OT Other | | | | |
|Commissioning Date GeneratorCommission|Date the device goes into service |MM/DD/YY | | |Date |
|Decommissioning Date |Date the device goes out of service |MM/DD/YY | | |Date |
|GeneratorDecommission | | | | | |
|Generator Type GeneratorType |Identifier of generator type (Coal, Oil, Nuclear, | |Default = | |Text |
| |Combined Cycle, etc.) | |blank | | |
|Generator Ownership Set |Ownership set number (OwnershipSet) from Ownership | |Default = 0 | |Integer |
|GeneratorOwnershipSet |data (set = 0 implies 100% ownership by control area | | | | |
| |of terminal bus) | | | | |
|Generator Description |Text describing this unit | |Default is | |Text |
|GeneratorDescription | | |blank | | |
Generators (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Control Mode GeneratorControlMode |control model to be used | | | |integer |
| |PQ = hold Q constant at schedule real| | | | |
| |power output (PQ mode) | | | | |
| |PV = adjust Q to hold voltage Loband | | | | |
| |or voltage Hhiband at controlled bus| | | | |
| |respecting machine control parameters| | | | |
| |(PV mode) | | | | |
| |NL = adjust Q to hold voltage loband | | | | |
| |or voltage high band at controlled | | | | |
| |bus with no limits applied (PV mode) | | | | |
| |SW = case swing generator (adjust P | | | | |
| |and Q) | | | | |
| Controlled Bus Identifier |Number of bus (BusNumber) whose | |bus to which | |integer |
|GeneratorControlledBusNo |voltage is controlled by this machine| |this machine | | |
| | | |is connected | | |
|Generator Voltage Regulation |Generator Voltage control is | | | | |
|Conditions |activated: | | | | |
|GeneratorVoltageRegulationConditions |NO = not at all | | | | |
| |PR = pre-contingency only | | | | |
| |PP = Pre- and post- contingency | | | | |
| |PO = post-contingency only | | | | |
| Minimum Reactive Power Output |lower limit for reactive power |Mvar |defaults to |less than Maximum |real |
|GeneratorMinQOutput | | |zero |Reactive Power Output| |
|Maximum Reactive Power Output |upper limit for reactive power |Mvar |defaults to |greater than minimum |real |
|GeneratorMaxQOutput | | |zero |reactive power output| |
| Minimum Machine Operating Voltage |machine minimum operating voltage |per unit on machine|defaults to | |real |
|GeneratorMinOperatingVolt | |base voltage |0.5 | | |
|Maximum Machine Operating Voltage |machine maximum operating voltage |per unit on machine|defaults to | |real |
|GeneratorMaxOperatingVolt | |base voltage |1.5 | | |
|Generator MW solved, |Magnitude of generator output MW. |MW | |Optional; Calculated |Real |
|GeneratorMWSolve |Solved value | | |by power flow or | |
| | | | |state estimation | |
| | | | |solution. This | |
| | | | |attribute may be used| |
| | | | |instead of | |
| | | | |GeneratorAnalogSetNo | |
| | | | |for solution values. | |
| | | | |Positive into Bus | |
Generators (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Generator Mvar solved, |Magnitude of generator output |Mvar | |Optional; Calculated by |Real |
|GeneratorMvarSolve |Mvar. Solved value | | |power flow or state | |
| | | | |estimation solution. | |
| | | | |This attribute may be | |
| | | | |used instead of | |
| | | | |GeneratorAnalogSetNo for| |
| | | | |solution values. | |
| | | | |Positive into Bus. | |
|Real Power Participation Factor |number representing the | |defaults to | |real |
|GeneratorMWPartFactor |relative participation in this| |unity | | |
| |machine in adjustment of total| | | | |
| |real power flowing to this bus| | | | |
| |from all machines connected to| | | | |
| |it | | | | |
|Reactive Power Participation Factor |number representing the | |defaults to | |real |
|GeneratorMvarPartFactor |relative participation of this| |unity | | |
| |machine in adjustment of | | | | |
| |reactive power with respect to| | | | |
| |that of all other machines | | | | |
| |controlling voltage at the | | | | |
| |same bus | | | | |
|Generator Post-Contingency Response Factor |Percentage of generator MW | | | |real |
|GeneratorPostContRespFact |response to system | | | | |
| |post-contingency MW imbalance.| | | | |
| |Assume value will be | | | | |
| |normalized for each island, | | | | |
| |and does not need to add to | | | | |
| |100. | | | | |
|Low Control Power Limit MW |minimum real power at which |MW | |mandatory |real |
|GeneratorLowControlMW |machine should be operated | | | | |
|Low Economic Power Limit MW |minimum real power to which |MW | |mandatory |real |
|GeneratorLowEconMW |machine should be scheduled | | | | |
|High Economic Power Limit MW |maximum real power to which |MW | |mandatory |real |
|GeneratorHighEconMW |machine should be scheduled | | | | |
|High Control Power Limit MW |maximum real power at which |MW | |mandatory |real |
|GeneratorHighControlMW |machine should be operated | | | | |
|Commitment Priority Rank |commitment priority. 1 = | |defaults to | |integer |
|GeneratorCommitmentPriority |highest (i.e. must run) | |unity | | |
Generators (Continued)
|Name |Description |Units |Defaults |Constraints |Data Type |
|Startup Cost |cost per start |thousands of |defaults to zero | |real |
|GeneratorStartupCost | |dollars | | | |
|Effective Availability Factor |factor defining effective availability|dimensionless |defaults to unity | |real |
|GeneratorEffectiveAvailFactor |of the machine |probability | | | |
|Operating and Maintenance Cost |monthly O & M cost |thousands of |defaults to zero | |real |
|GeneratorOMCost | |dollars per month| | | |
|Real Power Dispatch Factor |factor representing the relative | |defaults to unity | |real |
|GeneratorMWDispatchFact |participation of the machines | | | | |
| |contribution in the total output of | | | | |
| |the dispatch group to which it is | | | | |
| |assigned | | | | |
|Fuel Cost |fuel cost |$ per million Btu| |mandatory |real |
|GeneratorFuelCost | | | | | |
|Scheduled Charging Power |scheduled real power flow from machine|MW | |mandatory; < 0 |real |
|GeneratorSchedChargingMW |to bus when charging; same sign | | | | |
| |convention as real power output for | | | | |
| |energy storage data | | | | |
|Scheduled Charging Reactive Power |scheduled reactive power flow from |Mvar | |mandatory |real |
|GeneratorSchedChargingMvar |machine to bus when charging; same | | | | |
| |sign convention as reactive power | | | | |
| |output | | | | |
|Minimum Charging Power |magnitude of smallest real power |MW | |mandatory |real |
|GeneratorMinChargingMW |output at which machine can be | | | | |
| |operated when charging | | | | |
|Maximum Charging Power |magnitude of largest real power output|MW | |mandatory |real |
|GeneratorMaxChargingMW |at which machine can be operated when | | | | |
| |charging | | | | |
|Transient Reactance |machine transient reactance |per unit on | |mandatory |real |
|GeneratorTransientX | |GeneratorBaseMVA | | | |
| | |and voltage base)| | | |
|Subtransient Reactance |machine subtransient reactance |per unit on | |mandatory; |real |
|GeneratorSubtransientX | |GeneratorBaseMVA | | ................
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