eMT™

Electromagnetic Transients Program

eMT™ - Electromagnetic Transient

Electromagnetic Transients Program

ETAP eMT™ offers a dedicated Electromagnetic Transients Program (EMT) for the simulation and analysis of power system transients.
eMT - eMT is a simulator of AC power systems, low voltage power electronics systems, high voltage DC transmission (HVDC), flexible AC transmission systems (FACTS), distribution systems, and complex controllers

ETAP eMT provides an accurate and intuitive analysis software based on trusted EMT simulations powered by PSCAD's EMTDC engine.  eMT is a simulator of AC power systems, low voltage, power-electronics, high-voltage DC transmission (HVDC), flexible AC transmission systems (FACTS), distribution systems, and complex controllers.

When necessary, ETAP eMT integrates with ETAP's Transient Stability program to offer eMTCoSim™ - CoSimulation of Electromagnetic Transients and Phasors to collectively solve large, complex, and multi-disciplinary system models with higher fidelity.

 

eMT Cable Energization Trapped Charge

Line & Cable Systems

  • Insulation coordination 
  • Switching 
  • Design 
  • Wideband line & cable models 

 

eMT Capacitor Switching

Switching Transients / Surges

  • Deterministic 
  • Probabilistic 
  • Single-pole switching 
  • High-speed reclosing 
  • Capacitor switching 
  • Fault clearing
  • Transient-recovery voltages

 

eMT Type 1 WTG

Shaft Torsional Stress

  • Sub-synchronous resonance 
  • Switching-induced 
  • Unwanted modes

eMT lightning

Lightning Surges & Ferro-Resonance 

  • Backflash 
  • Induced surges 
  • Incoming surges at stations 
  • Power oscillations 
  • Saturation problems 
  • Surge arrester influences 
  • Ferro-resonance 
  • Transformer-charging and capacitor-energization inrush currents

 

eMT Salient Sync Machine

Switchgear & Synchronous Machines 

  • Shunt compensation 
  • Current chopping 
  • Delayed-current zero conditions 
  • Auto-excitation 
  • Non-linear and piecewise linear control systems 

 

Statcom

Power Electronics 

  • HVDC  
  • FACTS 
  • STATCOM 
  • eMT comes in several packages

eMT™ Unlimited Package

eMT software is a value-added feature to ETAP solutions and offered in two versions to simulate small to large networks.

eMT Pro Unlimited version offer the following capabilities: 

  • eMT™ Electromagnetic Transient Program - Professional License 
  • Unlimited Node with 8 Parallel Simulations*
  • eMTCoSim™ CoSimulation of Electromagnetic transients & phasors (requires transient stability module) 
  • ETAP – PSCAD One-way Data Exchange Interface 

 

eMT™ 200 Package

This version is perfect for simulating small systems and co-simulation studies. eMT 200 is fully featured and restricted to network size of 200 nodes (Note: control systems do not contribute to the node count). 

  • eMT™ Electromagnetic Transient Program - Professional License  
  • Total of 200 Nodes with 8 Parallel Simulations*
  • eMTCoSim™ CoSimulation of Electromagnetic transients & phasors (requires transient stability module) 
  • ETAP – PSCAD One-way Data Exchange Interface 

 

*Parallel Simulations 
The parallel simulations feature permits projects to be run over multiple computer cores simultaneously, resulting in significantly faster results than when run in series over a single core. Parallel computing feature can be expanded to 16, 32, and 64 Cores as an option. 

Videos

Efficient Design & Analysis with CoSimulation

Efficient Design & Analysis with CoSimulation

Co-simulation is the cooperative simulation of a system model through different software packages. Collaborative simulation, as such, spans more physics domains and offers more insight than single-domain engines alone. Therefore, the collective composition of its parts enables multi-domain, multi-physics simulation results.​ ETAP CoSim™ enables ETAP simulation engines to collaborate and interact. For example, the ETAP Time Domain Power Flow can co-simulate with ETAP Harmonic Analysis to assess harmonics distortion over time. ETAP CoSim platform also enables ETAP and 3rd party tools to co-simulate and solve large, complex, and multi-disciplinary system models—collectively via an efficient API surface. The ability to co-simulate with third-party software extends existing software capabilities into the multi-physics domain and greater situational awareness. This solution presentation will introduce the concepts of co-simulation and the flexible ETAP CoSim platform. The presentation will also highlight commercial use-cases of Phasor and Electromagnetic co-simulation using emtCoSim™ and Controller Hardware-in-the-Loop (CHIL).

eMT™ - Electromagnetic Transient Program

eMT™ - Electromagnetic Transient Program

This webinar demonstrates EMT simulations of AC power systems connected to power electronic interfaced renewables (both transmission or distribution levels), applications of FACTS devices, and synchronous condensers to mitigate network dynamic response concerns and representation of complex control systems.

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