Transient Stability Software

Transient Stability Software Dynamic Modeling

  • IEEE standard synchronous machine equivalent, transient & sub-transient models
  • Synchronous machine round rotor & salient pole models
  • Detailed Synchronous Motor Starter Modeling
  • Induction machine single-cage & double-cage dynamic models
  • IEEE type exciter and automatic voltage regulator (AVR) models
  • IEEE type turbine/engine-governor models
  • Vendor specific exciter & turbine/governor models
  • Power system stabilizers (PSS) models
  • Wind Turbine Generator (WTG) dynamic models & controllers for Type 1, Type 2, Type 3 & Type 4 machines
  • Inverter / 4Q Converter Based Energy Storage System Models
  • Motor mechanical load models
  • Machine torsion effect models
  • Simulate unlimited system disturbances & operations
  • 3-phase & Line-to-Ground faults
  • Segment (fractional) faults for cables & transmission lines
  • Apply and clear faults
  • Frequency-dependent modeling for synchronous machines (sub-transient models) and induction machines

ETAP provides services to build, link, simulate, and tune control systems for generators & Renewable Energy Sources using ETAP User-Defined Dynamic Modeling (UDM) and Vendor-specific ‘black box’ dynamic link libraries (DLL).

  • Operate circuit breakers & switches
  • Generator/load rejection
  • Generator power impact & ramp change
  • Generator & power grid voltage impact & ramp change
  • Governor isochronous/droop switching
  • Reference machine switching
Transient-Stability-Dynamic-Modeling

Industry Latest Turbine/Engine-Governor Models
Fully Verified & Validated by Field Measurements

Partial List of ETAP Turbine / Engine-Governor Models:

Below is a partial list of turbine / engine-governor / speed controllers included with ETAP transient stability software.

  • Combined Cycle Power Plant - CIGRE Report 238

  • CT251 - Combustion Turbine

  • DEGOV1

  • Detroit Diesel DDEC Governor Turbine

  • GOV2301FC

  • GP - Diesel-Engine

  • DT Woodward Steam-Turbine 505

  • GAST

  • GGOV1

  • GHH - BROSIG Steam Turbine Governor

  • GT - Gas-Turbine including Fuel System

  • GT2 - Gas-Turbine Governor

  • GT3 - Gas-Turbine Governor (non-windup limit)

  • GTF - General Purpose

  • GTH - GE Heavy Duty Governor - Gas Turbine

  • GTS - GE Simplified Heavy Duty Governor - Gas Turbine

  • HYDR - Woodward Hydraulic Governor and Turbine

  • HYGOV

  • HYGOVDD

  • HYGOVLL

  • HYGOVPID

  • HYGOVSPH

  • PL-A -PowerLogic Governor and Turbine Model A

  • Solar Turbine Governor Model (SGOV1)

  • Solar Turbine MARS Governor Set

  • ST - Steam-Turbine

  • ST1 - Compound Single-Reheat Steam-Turbine

  • ST2 - Compound Double-Reheat Steam-Turbine

  • ST3 - IEEE General Steam-Turbine

  • ST60 - Solar Taurus 60 Solonox Gas Fuel Turbine-Governor

  • ST70 - Solar Taurus 70 Solonox Gas Fuel Turbine-Governor

  • STM - Gas-Turbine

  • SGT - IEEE Gas-Turbine

  • TGOV1

  • UG8

  • WGOV1 - Westinghouse Turbine Governor Model

Partial List of ETAP Wind Turbine Generator & Solar Power Plant Models:

Below is a partial list of Wind Turbine Generator & Solar power plant models included with ETAP transient stability program.

WECC 2nd Generation
Type 3 & 4

  • Drive-train model - WTGT_A

  • Aero-dynamic model - WTGAR_A

  • Pitch-controller model - WTGPT_A

  • Torque model - WTGTRQ_A

WECC 1st Generation
Type 1, 2, 3 & 4

  • Generator model – WT1G

  • Electronic control – WT2E

  • Pitch-controller model – WT1P, WT2P

Wind turbines - Part 27-1:
Electrical simulation models
IEC 61400-27-1-ed1

  • Type 4A

  • Type 4B

  • WECC General Model – PVD1

Partial List of ETAP Energy Storage Models:

Below is a partial list of Energy Storage models included with ETAP transient stability program.

WECC Phase II

  • Generic generator/converter - REGC_A

  • Generic electrical control - REEC_C

  • Generic plant controller - REPC_A

Solar Turbines

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