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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…
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…
For RMS simulations the load type has to be set to 100% dynamic load, this means constant impedance Z. Additionally in the RMS dialogue of the load type the voltage dependency of P and Q can be set.…
Refer to the attached example. It describes an induction generator with the necessary dynamic models. The reactive power is balanced using a switched capacitor. The dynamic models are a shaft model…
A measurement file object (ElmFile) is used for this purpose. Attached you can find a small example which displays the first 3 channels of a ComTrade file. A measurement file object (ElmFile) is…