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Refer to the attached Digexdyn_Description_and_Example.zip. In PowerFactory the digexdyn interface allows for linking discrete-time models in RMS or EMT simulations: This interface can be used for…
In PowerFactory, the digexfun interface allows for continuous-time as well as discrete time models to be linked into RMS or EMT simulations: With this option you can define your own user defined DSL…
For PowerFactory 2021 and earlier please refer to this example and attached files. For PowerFactory 2022 and onwards, this example is not supported anymore. Instead, a much easier alternative is…
The integration method is determined by the setting “Damping factor” in the "Calculation of Initial Conditions" command dialog, page "Solver Options", as follows: - “Damping factor” = 1: trapezoidal…
Attached are two projects, one in English, one in German, with an EMT to RMS current and voltage signal converter implemented as a DSL model, which converts instantaneous currents and voltages…
The AC voltage source can be controlled in RMS simulation by applying different input values to signal sets (u0,f0) or (U0,F0Hz). The first set controls the per unit quantities, the second absolute…
It is not possible to change the voltage set point of an external grid during a simulation. The work around is to replace the external grid by an AC voltage source (ElmVac) and then use one of the…
The attached project shows how events can be created based on the status of the breaker. Please note that this works only if the breaker is set to "detailed for calculation". Else the breaker may be…
Since version 2017 a new module for scanning the simulation is available. Attached an example how the Fault Ride Through simulation scan can be used. The project contains two study cases, in the first…
Studies involving WAMS (Wide Area Measurement System) and PMU (Phase Measurement Units) are typically executed with RMS simulation as it is the faster than EMT simulation when dealing with larger…