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EMTP is capable to simulate electromechanical transients and it increases performance by allowing to model nonlinearities and unbalanced conditions.
Figure 1: EMTP diagram - Induction machine starting analysis
Figure 2: Induction machine - starting current
Figure 3: Induction machine - speed (rad/s)
EMTP is the only package offering the most accurate machine models due to its Newton based interfacing methods and predictor solution. It is the reference simulation tool in the industry.
EMTP software can calculate short-circuit currents and its scripting options allow to perform parametric short-circuit simulation by changing the fault location and/or the short-circuit impedance.
Figure 3: EMTP single line diagram - Parametric study (fault location)
For those who are unfamiliar with JavaScript can use the PAMSuite (Parametric Modelling Suite for EMTP) module for parametric short-circuit study.
Figure 4: Parametric study with PAMSuite
The LIOV (Lightning Induced Over-Voltage) toolbox of EMTP can simulate transient overvoltages on overhead distribution power lines caused by indirect lightning events, i.e. lightning hitting the ground or the objects near distribution lines.
Figure 5: Induced overvoltages on overhead distribution lines with lossless ground
The software EMTP is developed and commercialized by the EMTP Alliance. EMTP is a full-featured and technically advanced simulation and analysis professional software for power system transients.
The package is a sophisticated computer program for the simulation of electromagnetic, electromechanical and control systems transients in multiphase electric power systems. EMTP is used worldwide as a reference tool by the main actors of the power system industry (EDF, RTE, Hydro-Québec and many others). It is suited for a wide variety of power system studies whether they relate to project, design and engineering, or to solving problems and unexplained failures. Its capibility to to efficiently and quickly perform simulation of very large power systems, its numerical robustness and the stability of the simulation engine contribute to make of EMTP the reference for power systems transients. EMTP features a wide variety of modeling capabilities encompassing electromagnetic and electromechanical oscillations ranging in duration from microseconds to minutes.
