ETAP includes detailed modeling and simulation of key transmission equipment for steady-state as well as dynamic system analysis.

Transmission Equipment Modeling Key Features

• High-Voltage DC Transmission Link (HVDC)
  • Current Source Converter
  • Voltage Source Converter
• Static Var Compensator (SVC)
• Series capacitor
• Switched shunt capacitor
• Transmission line tower configurations
• Transmission line constants calculation
• Numerical relays including Distance Relay
• Multiple generator dynamic models
• Complete synchronous & induction machine models
• Comprehensive dynamic load modeling including voltage and frequency dependent modeling
• Western Electric Coordinating Council (WECC) Wind Turbine Models
  • Type 1 wind turbine generator models (induction generator)
• Type 2 wind turbine generator models (induction generator with variable slip)
• Type 3 wind turbine generator models (induction generator with variable slip)
• Type 4 wind turbine generator models (full scale power converter)
• Comprehensive excitation system models including vendor specific UDM Models
• Comprehensive turbine/engine-governor models including vendor specific UDM Models
• Standard Power System Stabilizer (PSS) models
• AC & DC Photovoltaic and inverter modeling
• Two winding transformer with fixed tap or on-load tap changer
• Three winding transformer with fixed tap or on-load tap changer
• Four winding transformer (buried delta winding)
• Phase shifting transformers
• Insulated cables with cable constants calculation
• Multiple types of harmonic filters