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The attached example shows a small industrial grid where1. At 0 seconds the connection to the external grid is opened2. At 1 second the diesel unit is connected to the internal grid. Before it was…
There are three ways of modelling an SVC system: Using the SVS Interface in PowerFactory. There are a number of standard controls for SVS in the library that can be used. You will also find two…
The attached example shows how an AC current source (ElmIac) is controlled during a RMS simulation. In the first study case the amplitude and the angle of all phases are equally controlled, requiring…
In the attached example project the battery is connected to the grid using a PWM converter. The grid contains a synchronous machine which supplies a load. After the initialization the synchronous…
For the first benchmark model refer to the PowerFactory example found in the application, by clicking in the main menu on File->Examples and changing to the "Examples from…
The A-stable integration algorithm is described in the PowerFactory User Manual, Chapter "Stability and EMT Simulations", Section "Algorithm control".…
Refer to the attached example. In order to understand the interface of the controller with the transformer, the following information needs to be considered: Based on the fact that we consider a…
The attached example shows a single generator infinite bus bar system that goes through three swings before it gets unstable. Power Swing Blocking: The relay is measuring the time of the impedance…
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…