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It is possible to represent photovoltaic (PV) systems in PowerFactory for the purpose of power system analysis. It is important to decide from the very beginning on the type of analyses being carried…
Please refer to the attached files, containing an EMT-Simulation example of a three-phase three-level neutral point clamped (3L-NPC) converter. The converter controller is available in Matlab Simulink…
This attached script can be used to compare results within one study case. Execute for this at first manually a simulation. After this change a parameter or event and repeat then the simulation by…
The example attached provides an example of a PLL capable of tracking a single phase EMT type signal. As such, the example is supporting only EMT type simulations. The PLL model is based on the Second…
Variable resistances can be modelled with the ElmSind. The grounding impedance represents a single phase model. Thus, the ElmSind is modelled as single phase element. The single Rin of the ElmSind is…
The time-domain response of a cable system and overhead line model can be validated based on impedance frequency sweep calculations. With the frequency sweep command your can calculate the transfer…
The duration of an EMT simulation depends on the complexity of the network and integration step size that is configured in the initialisation command (*.ComInc). The integration step size depends on…
The attached project includes a PV plant model connected to an external grid in a single-machine infinite-bus (SMIB) configuration. The template “WECC Large-scale PV Plant 110MVA 50Hz”, available in…
The short circuit trace feature in DIgSILENT PowerFactory is designed to provide a more accurate representation of protection device tripping sequences, tripping times, and fault clearance times than…
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The attached document shows the steps necessary to plot an impedance trajectory in the RX diagram. The steps are the same for RMS and EMT simulations and also explained below: 1. Locate the polarizing…