NERC Modeling Assessments
capabilities
Interconnection-wide Modeling
Power engineers carry out a variety of acceptable models for interconnection-wide modeling utilizing software tools like Siemens PSSE, GE PSLF, PowerWorld Simulator PSSE, PowerWorld Simulator PSLF, PowerTech DSATools PSSE, PowerTech DSATools PSLF, V&R Energy POM PSSE, and V&R Energy POM PSLF. Below are some acceptable models according to the North American Electric Reliability Corporation. To download the latest list, visit the NERC Modeling Assessments page.
|
Model Type |
Model Description |
|
Machine Model |
Cross Compound WECC Type F |
|
Machine Model |
Generator Type F |
|
Machine Model |
Generator Type J |
|
Machine Model |
Salient Pole Frequency Changer Model |
|
Machine Model |
Synchronous Generator Model combining GENQSC and GENESC |
|
Machine Model |
“Two-cage” or “One-Cage” Induction Generator |
|
Signal Playback Models |
Play-In of Voltage and/or Frequency Signal |
|
Signal Playback Models |
Frequency Playback Model |
|
Signal Playback Models |
Play-In of Generator Field Voltage |
|
Signal Playback Models |
Delivers Played-In Signal to Dynamic Simulation Models |
|
Signal Playback Models |
Play-In of Voltage Regulator and Governor Reference Settings |
|
Signal Playback Models |
Play-In Turbine Power |
|
Signal Playback Models |
Thevenin Source of Defined Voltage Amplitude and Frequency |
|
Renewable Energy Resource Models |
Generic Type 1 WTG Generator Model (Fixed-speed induction generator) |
|
Renewable Energy Resource Models |
Generic Type 2 WTG Generator Model (Variable slip induction generator with variable rotor resistance) |
|
Renewable Energy Resource Models |
Generic Type 2 WTG Rotor Resistance Control Model |
|
Renewable Energy Resource Models |
Generic Type 1 Two Mass Turbine Model |
|
Renewable Energy Resource Models |
Generic Type 2 Two Mass Turbine Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Drive Train Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Drive Train Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Pitch Control Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Pitch Control Model |
|
Renewable Energy Resource Models |
Generic Type 2 and 2 WTG Pitch Control Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Aerodynamics Model |
|
Renewable Energy Resource Models |
Generic Type 3 and 4 WTG Torque Control Model |
|
Renewable Energy Resource Models |
Linearized Model of PV Panel Output Curve |
|
Renewable Energy Resource Models |
Linearized Model of PV Panel Solar Irradiance Profile |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Generator/Converter Model |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Generator/Converter Model |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Electrical Controls Model |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Plant Controller |
|
Renewable Energy Resource Models |
Generic Plant Control Model |
|
Renewable Energy Resource Models |
Generic Phase 2 Energy Storage Electrical Controls |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Electrical Controls Model |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Auxiliary Control Model – Type 3 WTGs |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Auxiliary Control Model – Type 4 WTGs and Solar PV |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Auxiliary Control Model – SVC |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Auxiliary Control Model – FACTS Device |
|
Renewable Energy Resource Models |
Generic Phase 2 Renewable Energy Auxiliary Control Model – Synchronous Condenser |
|
Renewable Energy Resource Models |
Solar Photovoltaic Generator/Converter Model |
|
Renewable Energy Resource Models |
Solar Photovoltaic Electrical Control Model |
|
Renewable Energy Resource Models |
Distributed photovoltaic system |
|
Renewable Energy Resource Models |
Distributed Energy Resource Generator/Converter Model |
|
Excitation System Models |
IEEE Std 421.5 Type AC1A |
|
Excitation System Models |
IEEE Std 421.5 Type AC1C |
|
Excitation System Models |
Modified IEEE Std 421.5 Type AC1A |
|
Excitation System Models |
IEEE Std 421.5 Type AC2A |
|
Excitation System Models |
IEEE Std 421.5 Type AC2C |
|
Excitation System Models |
IEEE Std 421.5 Type AC3A |
|
Excitation System Models |
IEEE Std 421.5 Type AC3C |
|
Excitation System Models |
IEEE Std 421.5 Type AC4A |
|
Excitation System Models |
IEEE Std 421.5 Type AC4C |
|
Excitation System Models |
IEEE Std 421.5 Type AC5A |
|
Excitation System Models |
IEEE Std 421.5 Type AC5C |
|
Excitation System Models |
IEEE Std 421.5 Type AC6A |
|
Excitation System Models |
IEEE Std 421.5 Type AC6C |
|
Excitation System Models |
Modified IEEE Std 421.5 Type AC6A (added speed multiplier) |
|
Excitation System Models |
IEEE Std 421.5 Type AC7B* |
|
Excitation System Models |
IEEE AC7B Excitation System Model w/ OEL for Brushless Exciters and GE EX2100 Controls |
|
Excitation System Models |
IEEE Std 421.5 Type AC7C |
|
Excitation System Models |
IEEE Std 421.5 Type AC8B |
|
Excitation System Models |
Modified IEEE Std 421.5 Type AC8B |
|
Excitation System Models |
IEEE Std 421.5 Type AC8C |
|
Excitation System Models |
IEEE Std 421.5 Type AC9C |
|
Excitation System Models |
IEEE Std 421.5 Type AC10C |
|
Excitation System Models |
IEEE Std 421.5 Type AC11C |
|
Excitation System Models |
IEEE Std 421.5 Type DC1A |
|
Excitation System Models |
IEEE Std 421.5 Type DC1C |
|
Excitation System Models |
IEEE Std 421.5 Type DC2A |
|
Excitation System Models |
IEEE Std 421.5 Type DC2C |
|
Excitation System Models |
IEEE Std 421.5 Type DC3A |
|
Excitation System Models |
IEEE Std 421.5 Type DC4B |
|
Excitation System Models |
IEEE Std 421.5 Type DC4C |
|
Excitation System Models |
IEEE Std 421.5 Type ST1A |
|
Excitation System Models |
IEEE Std 421.5 Type ST1C |
|
Excitation System Models |
IEEE Std 421.5 Type ST2A |
|
Excitation System Models |
IEEE Std 421.5 Type ST2C |
|
Excitation System Models |
IEEE Std 421.5 Type ST3A |
|
Excitation System Models |
IEEE Std 421.5 Type ST3C |
|
Excitation System Models |
IEEE Std 421.5 Type ST4B |
|
Excitation System Models |
Modified IEEE Std 421.5 Type ST4B (without OEL & UEL inputs and Vgmax) |
|
Excitation System Models |
IEEE Std 421.5 Type ST4C |
|
Excitation System Models |
IEEE Std 421.5 Type ST5B** |
|
Excitation System Models |
IEEE Proposed Type ST5B Excitation System |
|
Excitation System Models |
IEEE Std 421.5 Type ST5C |
|
Excitation System Models |
IEEE Std 421.5 Type ST6B |
|
Excitation System Models |
IEEE Std 421.5 Type ST6C |
|
Excitation System Models |
IEEE Std 421.5 Type ST7B |
|
Excitation System Models |
IEEE Std 421.5 Type ST7C |
|
Excitation System Models |
IEEE Std 421.5 Type ST8C |
|
Excitation System Models |
IEEE Std 421.5 Type ST9C |
|
Excitation System Models |
IEEE Std 421.5 Type ST10C |
|
Excitation System Models |
1968 IEEE Type 1+B127 |
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Excitation System Models |
Modified 1968 IEEE Type 1 |
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Excitation System Models |
Modified 1968 IEEE Type 1 |
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Excitation System Models |
1968 IEEE Type 2 |
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Excitation System Models |
1968 IEEE Type 3 |
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Excitation System Models |
1968 IEEE Type 4 |
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Excitation System Models |
Modified 1968 IEEE Type 4 |
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Excitation System Models |
Modified 1968 IEEE Type 4 |
|
Excitation System Models |
1981 IEEE Type AC1 |
|
Excitation System Models |
Modified 1981 IEEE Type AC1 (modified rate feedback source and with added speed multiplier) |
|
Excitation System Models |
Modified 1981 IEEE Type AC1 |
|
Excitation System Models |
1981 IEEE Type AC2 |
|
Excitation System Models |
1981 IEEE Type AC3 |
|
Excitation System Models |
Modified 1981 IEEE Type AC3 |
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Excitation System Models |
1981 IEEE Type AC4 |
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Excitation System Models |
1981 IEEE Type DC1 |
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Excitation System Models |
Modified 1981 IEEE Type DC1 |
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Excitation System Models |
Modified 1981 IEEE Type DC1 |
|
Excitation System Models |
1981 IEEE Type DC2 |
|
Excitation System Models |
Modified 1981 IEEE Type DC2 |
|
Excitation System Models |
1981 IEEE Type DC3 |
|
Excitation System Models |
1981 IEEE Type ST1 |
|
Excitation System Models |
1981 IEEE Type ST2 |
|
Excitation System Models |
Modified 1981 IEEE Type ST2 |
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Excitation System Models |
Modified 1981 IEEE Type ST2 |
|
Excitation System Models |
1981 IEEE Type ST3 |
|
Excitation System Models |
Modified 1981 IEEE Type ST3 |
|
Excitation System Models |
General Purpose Rotating Excitation System Model |
|
Excitation System Models |
General Purpose Rotating Excitation System Model |
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Excitation System Models |
Proportional/Integral Excitation System Model |
|
Excitation System Models |
Manual Excitation Control with Field Circuit Resistance |
|
Excitation System Models |
Bus or Solid Fed SCR Bridge Excitation System Model |
|
Excitation System Models |
Bus or Solid Fed SCR Bridge Excitation System Model Type NEBB (NVE) |
|
Excitation System Models |
Bus or Solid Fed SCR Bridge Excitation System Model Type NI (NVE) |
|
Excitation System Models |
IVO Excitation System Model |
|
Excitation System Models |
ELIN Excitation System |
|
Excitation System Models |
Basler Static Voltage Regulator Feeding DC or AC Rotating Exciter |
|
Excitation System Models |
Brown-Boveri Transformer-Fed Static Excitation System Model |
|
Excitation System Models |
Static PI Transformer Fed Excitation System |
|
Excitation System Models |
VATECH (ELIN) Static Excitation System with PSS |
|
Excitation System Models |
AEP Rockport excitation system |
|
Excitation System Models |
Czech Proportional/Integral Excitation System Model |
|
Excitation System Models |
High Dam Excitation System Model |
|
Power System Stabilizer |
Transient Excitation Boosting Stabilizer Model |
|
Power System Stabilizer |
Dual-Input Signal Power System Stabilizer Model |
|
Power System Stabilizer |
1981 IEEE Power System Stabilizer |
|
Power System Stabilizer |
IVO Stabilizer Model |
|
Power System Stabilizer |
Ontario Hydro Delta-Omega Power System Stabilizer |
|
Power System Stabilizer |
Ontario Hydro Delta-Omega Power System Stabilizer |
|
Power System Stabilizer |
IEEE Std 421.5-2005 Single-Input Stabilizer Model |
|
Power System Stabilizer |
1992 IEEE Type Dual-Input Signal Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2005 PSS2B Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS2C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2005 PSS3B Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS3C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2005 PSS4B Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS4C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS5C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS6C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
IEEE Std 421.5-2016 PSS7C Dual-Input Stabilizer Model |
|
Power System Stabilizer |
PTI Microprocess-Based Stabilizer Model |
|
Power System Stabilizer |
PTI Microprocess-Based Stabilizer Model |
|
Power System Stabilizer |
Speed Sensitive Stabilizer Model |
|
Power System Stabilizer |
ASEA Power Sensitive Stabilizer Model |
|
Power System Stabilizer |
Power Sensitive Stabilizer Model |
|
Power System Stabilizer |
Power Sensitive Stabilizer Model |
|
Power System Stabilizer |
Dual-Input Signal Power System Stabilizer Model |
|
Power System Stabilizer |
Dual Input Stabilizer (IEEE Type PSS2A) + Voltage Boost Signal Transient Stabilizer and Vcutoff |
|
Power System Stabilizer |
WECC Supplementary Signal for Static Var System |
|
Power System Stabilizer |
Synchronous Condenser Auxiliary Control Model |
|
Power System Stabilizer |
Single Input PSS for SVSMO1, SVSMO2, and SVSMO3 |
|
Current Compensation Models |
Cross-Current Compensation Model with Reactive Current Feedback |
|
Current Compensation Models |
Voltage Regulator Compensating Model |
|
Current Compensation Models |
Cross and Joint Current Compensation Model |
|
Current Compensation Models |
IEEE Std 421.5 Current Compensator |
|
Current Compensation Models |
Remote Bus Voltage Signal Model |
|
Turbine-Governor Models |
Steam Plant Boiler Turbine-Governor Model |
|
Turbine-Governor Models |
Combined Cycle Plant Steam Turbine Model |
|
Turbine-Governor Models |
General Purpose (Gas Turbine & Single Shaft CC) Turbine-Governor Model |
|
Turbine-Governor Models |
General Governor Model with Frequency-Dependent Fuel Flow Limit |
|
Turbine-Governor Models |
General Governor Model with GE Gas Turbine Control Features |
|
Turbine-Governor Models |
Single Shaft Combined Cycle Plant Model |
|
Turbine-Governor Models |
Woodward 2301 Governor and Basic Turbine Model |
|
Turbine-Governor Models |
Brown-Boveri Turbine-Governor Model |
|
Turbine-Governor Models |
Cross Compound Turbine-Governor Model |
|
Turbine-Governor Models |
Woodward Diesel Governor Model |
|
Turbine-Governor Models |
Woodward Diesel Governor Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor Lumped Parameter Model |
|
Turbine-Governor Models |
Fourth Order Lead-Lag Hydro-Turbine Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor Traveling Wave Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor Model |
|
Turbine-Governor Models |
Model to Manage Parameter Data for h6b Hydro Turbine-Governor Model |
|
Turbine-Governor Models |
Hydro Governor Model for up to 4 Units on Common Penstock |
|
Turbine-Governor Models |
Hydro Turbine-Governor (plants w/ straightforward penstock config + PID governor, blade angle for Kaplan) |
|
Turbine-Governor Models |
Hydro Turbine w/ Woodward Electro-Hydraulic PID Governor, Penstock, Surge Tank, and Inlet Tunnel |
|
Turbine-Governor Models |
1981 IEEE Type 3 General Mechanical-Hydraulic Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor (plants with straightforward penstock config + hydraulic govs of ‘dashpot’ type) |
|
Turbine-Governor Models |
IVO Turbine-Governor Model |
|
Turbine-Governor Models |
Hydro Turbine-Governor Model |
|
Turbine-Governor Models |
Pratt & Whitney Turboden Turbine-Governor Model |
|
Turbine-Governor Models |
Torsional-Elastic Shaft Model for 25 Masses |
|
Turbine-Governor Models |
Steam Turbine-Governor Model |
|
Turbine-Governor Models |
Czech Hydro or Steam Turbine-Governor Model |
|
Turbine-Governor Models |
Tail Water Depression Hydro Governor Model 1 |
|
Turbine-Governor Models |
Tail Water Depression Hydro Governor Model 2 |
|
Turbine-Governor Models |
Combined Cycle – Single Shaft Turbine-Governor Model |
|
Turbine-Governor Models |
Woodward Electronic Hydro Governor Model |
|
Turbine-Governor Models |
Woodward PID Hydro Governor Model |
|
Turbine-Governor Models |
WECC Double Derivative Hydro Governor Model |
|
Turbine-Governor Models |
Hydro Turbine with American Governor Company controller |
|
Turbine-Governor Models |
PID Governor, Double-Derivative Governor, and Turbine (WECC GP governor, WECC G2 turbine-governor) |
|
Turbine-Governor Models |
Modified IEEE Type 1 General Steam Turbine-Governor Model w/ Speed Deadband |
|
Load Controller Models |
Turbine Load Controller Model |
|
Load Models |
Induction Generator Model with Rotor Flux Transients |
|
Load Models |
Induction Motor Model with Rotor Flux Transients |
|
Load Models |
Induction Generator Model with Rotor Flux Transients |
|
Load Models |
Induction Motor Model with Rotor Flux Transients |
|
Load Models |
Induction Motor Model |
|
Load Models |
Induction Motor Model |
|
Load Models |
Induction Motor Model |
|
Load Models |
IEEE Load Model |
|
Load Models |
Load Frequency Model |
|
Load Models |
Extended-Term Load Reset Model |
|
Load Models |
Complex Load Model |
|
Load Models |
Composite Load Model |
|
Load Models |
Composite Load Model w/ DER Component |
|
Load Models |
Composite Load Model w/ Modular Capability |
|
Load Models |
Performance-Based Model of Single Phase Air Conditioner Motor Model |
|
Static Var Systems and FACTS |
WECC Generic Continuous Control SVC Model |
|
Static Var Systems and FACTS |
WECC Generic Discrete Control SVC Model |
|
Static Var Systems and FACTS |
WECC Generic STATCOM-Based SVC Model |
|
Static Var Systems and FACTS |
SCR Controlled Static VAR Source Model |
|
Static Var Systems and FACTS |
SCR Controlled Static VAR Source Model |
|
Static Var Systems and FACTS |
SCR Controlled Static VAR Source Model |
|
Static Var Systems and FACTS |
WECC Controlled Static VAR Source Model |
|
Static Var Systems and FACTS |
WECC Controlled Static VAR Source Model |
|
Static Var Systems and FACTS |
Switched Shunt Model |
|
Static Var Systems and FACTS |
American Superconductor DSMES Device |
|
Static Var Systems and FACTS |
Static Condenser FACTS Model |
|
Static Var Systems and FACTS |
Static Condenser (modeled as FACTS in power flow) |
|
Static Var Systems and FACTS |
ABB SVC Model |
|
Static Var Systems and FACTS |
SVC for Switched Shunt |
|
Static Var Systems and FACTS |
SVC for Switched Shunt |
|
Static Var Systems and FACTS |
EPRI Superconducting Electromagnetic Energy Storage FACTS Model |
|
Static Var Systems and FACTS |
EPRI Battery Energy Storage FACTS Model |
|
Protection and Other Models |
Generic Generator Protection System |
|
Protection and Other Models |
Under-/Over-Frequency Generator Bus Disconnection Relay |
|
Protection and Other Models |
Under-/Over-Frequency Generator Trip Relay |
|
Protection and Other Models |
Under-/Over-Voltage Generator Bus Disconnection Relay |
|
Protection and Other Models |
Under-/Over-Voltage Generator Trip Relay |
|
Protection and Other Models |
Time-Inverse Overcurrent Relay |
|
Protection and Other Models |
Definite Time Underfrequency Load Shedding Relay |
|
Protection and Other Models |
Definite Time Undervoltage Load Shedding Relay |
|
Protection and Other Models |
Definite Time Undervoltage Load Shedding Relay |
|
Protection and Other Models |
Out-of-Step Relay with 3 Zones (Lens, Tomato, or Circle) |
|
Protection and Other Models |
Out-of-Step Relay with 3 Zones (Lens, Tomato, Circle, or Rectangle) |
|
Protection and Other Models |
Out-of-Step Mho Relay with Blinders |
|
Protection and Other Models |
Metal Oxide Varistor and Bypass Protection for Series Capacitor |
|
Protection and Other Models |
Switched Capacitor Bank Model |
|
Protection and Other Models |
Mechanically Switched Capacitor |
|
Protection and Other Models |
Mechanically Switched Reactor |
|
Protection and Other Models |
Mechanically Switched Line Reactor |
|
Protection and Other Models |
Mechanically Switched Shunt |
|
Protection and Other Models |
Mechanically Switched Shunt |
|
Protection and Other Models |
Over-Excitation Limiter for Synchronous Machine Excitation System |
|
Protection and Other Models |
IEEE Std 421.5-2016 OEL1B Overexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 OEL2C Overexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 OEL3C Overexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 OEL4C Overexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 OEL5C Overexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 UEL1 Underexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 UEL2 Underexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 UEL2C Underexcitation Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 SCL1C Stator Current Limiter |
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Protection and Other Models |
IEEE Std 421.5-2016 SCL2C Stator Current Limiter |
|
Protection and Other Models |
IEEE Std 421.5-2016 DEC1A Discontinuous Excitation Control |
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Protection and Other Models |
IEEE Std 421.5-2016 DEC2A Discontinuous Excitation Control |
|
Protection and Other Models |
IEEE Std 421.5-2016 DEC3A Discontinuous Excitation Control |
|
Protection and Other Models |
Load Tap Changer Model |
|
Protection and Other Models |
Variable Frequency Transformer or Rotary Phase Shift Regulator |
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