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

Excitation System Models

  Modified 1968 IEEE Type 1

Excitation System Models

  Modified 1968 IEEE Type 1

Excitation System Models

1968 IEEE Type 2

Excitation System Models

1968 IEEE Type 3

Excitation System Models

1968 IEEE Type 4

Excitation System Models

  Modified 1968 IEEE Type 4

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

Excitation System Models

1981 IEEE Type AC4

Excitation System Models

1981 IEEE Type DC1

Excitation System Models

  Modified 1981 IEEE Type DC1

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

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

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

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

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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