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Structures for power system modeling, simulation and analysis.
Structs§
- AGC
- AVRFixed
- Parameters of a AVR that returns a fixed voltage to the rotor winding
- AVRSimple
- Parameters of a simple proportional AVR in the derivative of EMF i.e. an integrator controller on EMF
- AVRTypeI
- Parameters of an Automatic Voltage Regulator Type I - Resembles IEEE Type DC1
- AVRTypeII
- Parameters of an Automatic Voltage Regulator Type II - Typical static exciter model
- Active
Power Droop - Parameters of an Active Power droop controller
- Active
PowerPI - Parameters of a Proportional-Integral Active Power controller for a specified power reference
- Active
Renewable ControllerAB - Parameters of Active Power Controller including REPCA1 and REECB1
- Anderson
Fouad Machine - Parameters of 6-states synchronous machine: Anderson-Fouad model
- Arc
- A topological Arc.
- Area
- A collection of buses for control purposes.
- Average
Converter - Parameters of an average converter model
- Base
Machine - Parameters of a Classic Machine: GENCLS in PSSE and PSLF
- BatteryEMS
- Data structure for a battery compatible with energy management formulations.
- Bus
- A power-system bus.
- Cmplx64
- Current
Mode Control - Parameters of an inner loop PI current control using based on Purba, Dhople, Jafarpour, Bullo and Johnson. “Reduced-order Structure-preserving Model for Parallel-connected Three-phase Grid-tied Inverters.” 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics (COMPEL): 1-7.
- ESAC1A
- This excitation systems consists of an alternator main exciter feeding its output via non-controlled rectifiers. The exciter does not employ self-excitation, and the voltage regulator power is taken from a source that is not affected by external transients. Parameters of IEEE Std 421.5 Type AC1A Excitacion System. This model corresponds to ESAC1A in PSSE and PSLF
- ESAC6A
- Modified AC6A. Used to represent field-controlled alternator-rectifier excitation systems with system-supplied electronic voltage regulators. Parameters of IEEE Std 421.5 Type AC6A Excitacion System. ESAC6A in PSSE and PSLF.
- ESDC1A
- Self-excited shunt fields with the voltage regulator operating in a mode commonly termed buck-boost. Parameters of IEEE Std 421.5 Type DC1A Excitacion System. This model corresponds to ESDC1A in PSSE and PSLF
- ESDC2A
- Is used to represent field-controlled dc commutator exciters with continuously acting voltage regulators having power supplies derived from the generator or auxiliaries bus. Parameters of IEEE Std 421.5 Type DC2A Excitacion System. This model corresponds to ESDC2A in PSSE and PSLF
- ESST1A
- This excitation system supplies power through a transformer from the generator terminals and its regulated by a controlled rectifier (via thyristors). Parameters of IEEE Std 421.5 Type ST1A Excitacion System. ESST1A in PSSE and PSLF
- ESST4B
- In these excitation systems, voltage (and also current in compounded systems) is transformed to an appropriate level. Rectifiers, either controlled or non-controlled, provide the necessary direct current for the generator field. Parameters of IEEE Std 421.5 Type ST4B Excitacion System. ESST4B in PSSE and PSLF
- EX4VSA
- IEEE Excitation System for Voltage Security Assesment
- EXAC1
- Modified ESAC1A. This excitation systems consists of an alternator main exciter feeding its output via non-controlled rectifiers. The exciter does not employ self-excitation, and the voltage regulator power is taken from a source that is not affected by external transients. Parameters of IEEE Std 421.5 Type AC1A. EXAC1 in PSSE and PSLF
- EXAC2
- Modified AC2. This excitation systems consists of an alternator main exciter feeding its output via non-controlled rectifiers. The exciter does not employ self-excitation, and the voltage regulator power is taken from a source that is not affected by external transients. Parameters of IEEE Std 421.5 Type AC2A Excitacion System. The alternator main exciter is used, feeding its output via non-controlled rectifiers. The Type AC2C model is similar to that of Type AC1C except for the inclusion of exciter time constant compensation and exciter field current limiting elements. EXAC2 in PSSE and PSLF.
- EXAC1A
- Modified ESAC1A. This excitation systems consists of an alternator main exciter feeding its output via non-controlled rectifiers. The exciter does not employ self-excitation, and the voltage regulator power is taken from a source that is not affected by external transients. Parameters of IEEE Std 421.5 Type AC1A Excitacion System. EXAC1A in PSSE and PSLF
- EXPIC1
- Generic Proportional/Integral Excitation System
- EXST1
- IEEE Type ST1 Excitation System (PTI version)
- Efficiency
- Five
Mass Shaft - Parameters of 5 mass-spring shaft model. /// It contains a High-Pressure (HP) steam turbine, Intermediate-Pressure (IP) /// steam turbine, Low-Pressure (LP) steam turbine, the Rotor and an Exciter (EX) mover.
- Fixed
Admittance - FixedDC
Source - Parameters of a Fixed DC Source that returns a fixed DC voltage
- Fixed
Frequency - Parameters of a Fixed Frequency Estimator (i.e. no PLL).
- Flow
Limit - FromTo
- Full
Machine - Parameter of a full order flux stator-rotor model without zero sequence flux in the stator. /// The derivative of stator fluxes (ψd and ψq) is NOT neglected. Only one q-axis damping circuit is considered. All parameters are in machine per unit. /// Refer to Chapter 3 of Power System Stability and Control by P. Kundur or Chapter 11 of Power System Dynamics: Stability and Control, by J. Machowski, J. Bialek and J. Bumby, for more details. /// Note that the models are somewhat different (but equivalent) due to the different Park Transformation used in both books.
- GasTG
- Parameters of Gas Turbine-Governor. GAST in PSSE and GAST_PTI in PowerWorld.
- General
GovModel - GE General Governor/Turbine Model. The GeneralGovModel (GGOV1) model is a general purpose governor model used for a variety of prime movers controlled by proportional-integral-derivative (PID) governors including gas turbines.
- Generic
Battery - Data structure for a generic battery
- HVDC
Line - a High voltage DC line.
- HotWarm
Cold - Hydro
Dispatch - Hydro
Energy Reservoir - Hydro
Pumped Storage - Hydro
Turbine Gov - Hydro Turbine-Governor.
- IEEEST
- IEEE Stabilizing Model PSS.
- IEEET1
- 1968 IEEE type 1 excitation system model
- IEEE
Turbine Gov1 - IEEE Type 1 Speed-Governing Model
- Infrastructure
Systems Internal - Interruptible
Load - KauraPLL
- Parameters of a Phase-Locked Loop (PLL) based on Kaura, Vikram, and Vladimir Blasko. “Operation of a phase locked loop system under distorted utility conditions.” IEEE Transactions on Industry applications 33.1 (1997): 58-63.
- L0L1
- LCFilter
- Parameters of a LCL filter outside the converter
- LCLFilter
- Parameters of a LCL filter outside the converter, the states are in the grid’s reference frame
- Line
- Load
Zone - A collection of buses for electricity price analysis.
- Marconato
Machine - Parameters of 6-states synchronous machine: Marconato model
- Market
BidCost - Data Structure Operational Cost to reflect market bids of energy and ancilliary services. Compatible with most US Market bidding mechanisms
- Metadata
- MinMax
- Monitored
Line - Multi
Start Cost - Data Structure Operational Cost Data which includes fixed, variable cost, multiple start up cost and stop costs.
- OneD
OneQ Machine - Parameters of 4-states synchronous machine: Simplified Marconato model /// The derivative of stator fluxes (ψd and ψq) is neglected and ωψd = ψd and /// ωψq = ψq is assumed (i.e. ω=1.0). This is standard when /// transmission network dynamics is neglected.
- Operational
Cost - PSSFixed
- Parameters of a PSS that returns a fixed voltage to add to the reference for the AVR
- PSSSimple
- Parameters of a PSS that returns a proportional droop voltage to add to the reference for the AVR
- Periodic
Variable Source - This struct acts as an infinity bus with time varying phasor values magnitude and angle V(t) heta(t). Time varying functions are represented using fourier series
- Phase
Shifting Transformer - Power
Load - Data structure for a static power load.
- RECurrent
ControlB - Parameters of the Inner Control part of the REECB model in PSS/E
- RLFilter
- Parameters of RL series filter in algebraic representation
- Reactive
Power Droop - Parameters of a Reactive Power droop controller
- Reactive
PowerPI - Parameters of a Proportional-Integral Reactive Power controller for a specified power reference
- Reactive
Renewable ControllerAB - Parameters of Reactive Power Controller including REPCA1 and REECB1
- Reduced
OrderPLL - Parameters of a Phase-Locked Loop (PLL) based on Purba, Dhople, Jafarpour, Bullo and Johnson. “Reduced-order Structure-preserving Model for Parallel-connected Three-phase Grid-tied Inverters.” 2017 IEEE 18th Workshop on Control and Modeling for Power Electronics (COMPEL): 1-7.
- Renewable
Dispatch - Renewable
Energy Converter TypeA - Parameters of a renewable energy generator/converter model, this model corresponds to REGCA1 in PSSE
- Renewable
Fix - Data Structure for fixed renewable generation technologies.
- Reserve
Demand Curve - Data Structure for a operating reserve with demand curve product for system simulations.
- Round
Rotor Machine - Parameters of 4-states round-rotor synchronous machine with quadratic/exponential saturation: IEEE Std 1110 §5.3.2 (Model 2.2). GENROU or GENROE model in PSSE and PSLF.
- SCRX
- This exciter is based on an IEEE type SCRX solid state exciter. The output field voltage is varied by a control system to maintain the system voltage at Vref. Please note that this exciter model has no initialization capabilities - this means that it will respond to whatever inputs it receives regardless of the state of the machine model.
- SEXS
- Parameters of Simplified Excitation System Model - SEXS in PSSE
- STAB1
- Speed-Sensitive Stabilizing Model
- Salient
Pole Machine - Parameters of 3-states salient-pole synchronous machine with quadratic/exponential saturation: IEEE Std 1110 §5.3.1 (Model 2.1). GENSAL or GENSAE model in PSSE and PSLF.
- Service
- SimpleAF
Machine - Parameters of 4-states simplified Anderson-Fouad (SimpleAFMachine) model. /// The derivative of stator fluxes (ψd and ψq) is neglected and ωψd = ψd and /// ωψq = ψq is assumed (i.e. ω=1.0). This is standard when transmission network /// dynamics is neglected. /// If transmission dynamics is considered use the full order Anderson Fouad model.
- Simple
Full Machine - Parameter of a full order flux stator-rotor model without zero sequence flux in the stator. /// The derivative of stator fluxes (ψd and ψq) is neglected. This is standard when /// transmission network dynamics is neglected. Only one q-axis damping circuit /// is considered. All per unit are in machine per unit. /// Refer to Chapter 3 of Power System Stability and Control by P. Kundur or Chapter 11 of Power System Dynamics: Stability and Control, by J. Machowski, J. Bialek and J. Bumby, for more details. /// Note that the models are somewhat different (but equivalent) due to the different Park Transformation used in both books.
- Simple
Marconato Machine - Parameters of 4-states synchronous machine: Simplified Marconato model /// The derivative of stator fluxes (ψd and ψq) is neglected and ωψd = ψd and /// ωψq = ψq is assumed (i.e. ω=1.0). This is standard when transmission network /// dynamics is neglected.
- Single
Mass - Parameters of single mass shaft model. Typically represents the rotor mass.
- Source
- This struct acts as an infinity bus.
- Startup
Shutdown - Static
Reserve - Data Structure for a proportional reserve product for system simulations.
- Static
Reserve Group - Data Structure for a group reserve product for system simulations.
- Static
Reserve NonSpinning - Data Structure for a non-spinning reserve product for system simulations.
- Steam
Turbine Gov1 - Steam Turbine-Governor. This model considers both TGOV1 or TGOV1DU in PSS/E.
- Storage
Management Cost - Data Structure for Operational Cost Data like variable cost and start - stop costs and energy storage cost.
- System
Data - TGFixed
- Parameters of a fixed Turbine Governor that returns a fixed mechanical torque /// given by the product of P_ref*efficiency
- TGTypeI
- Parameters of a Turbine Governor Type I.
- TGTypeII
- Parameters of a Turbine Governor Type II.
- TapTransformer
- Thermal
Multi Start - Data Structure for thermal generation technologies.
- Thermal
Standard - Data Structure for thermal generation technologies.
- Three
Part Cost - Data Structure Operational Cost Data in Three parts fixed, variable cost and start - stop costs.
- Time
Series Container - Time
Series Key - Transfer
- Transformer2W
- The 2-W transformer model uses an equivalent circuit assuming the impedance is on the High Voltage Side of the transformer. The model allocates the iron losses and magnetizing susceptance to the primary side.
- TwoPart
Cost - Data Structure Operational Cost Data in two parts: fixed and variable cost.
- UUID
- Units
Info - UpDown
- VSCDC
Line - As implemented in Milano’s Book, Page 397.
- Variable
Cost - Variable
Reserve - Data Structure for the procurement products for system simulations.
- Variable
Reserve NonSpinning - Data Structure for the procurement products for system simulations.
- Virtual
Inertia - Parameters of a Virtual Inertia with SRF using VSM for active power controller
- Voltage
Mode Control - Parameters of an inner loop current control PID using virtual impedance based on D’Arco, Suul and Fosso. “A Virtual Synchronous Machine implementation for distributed control of power converters in SmartGrids.” Electric Power Systems Research 122 (2015) 180–197.
- Zero
OrderBESS - Parameters for the DC-side with a Battery Energy Storage System from paper at https://arxiv.org/abs/2007.11776