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This example provides an introduction to the analysis of arc furnaces and their influence to the supplying power system. The analysis covers the identification of the injected harmonic currents, the…
DSL (DIgSILENT Simulation Language) is a very powerful possibility for modelling time continuous controls and processes. But modelling discrete controls rises some problems. There is on one hand the…
This example evaluates the flicker coefficients for the various operating conditions specified in Table A.1 - Annex A of the IEC/TR 61000-3-7 (Edition 2.0). Although the intention of this example is…
The attached example project contains the LCC-HVDC benchmark model. The project includes two study cases, one to study the load flow conditions (LoadFlow Conditions) and a second prepared to perform…
The A-stable integration algorithm is described in the PowerFactory User Manual, Chapter "Stability and EMT Simulations", Section "Algorithm control".…
A simple moving average discrete time filter is provided for your reference. It can be used for both RMS and EMT type simulations. The register model (ElmReg) could be used to calculate a moving…
Refer to the attached project. The options shown are: Direct start with star-delta switching: Parameter i_star = 1 (Star), i_star = 0 (Delta) Additional rotor resistance: signal rradd (can…
The Matlab Simulink - PowerFactory simulation interface is described in detail in the User Manual, Chapter "Models For Dynamic Simulations", Section "Matlab Interface". A simple Simulink Model…
If you want to simulate the synchronisation of two different systems, you can model and simulate both systems as separate networks. After some seconds you can then connect them with a circuit breaker…
- EMT SimulationThe model used permits the direct modification of the ignition angle (alpha).- RMS SimulationThis model is slightly different, as the application of a soft starter does not allow a…