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The external grid is modelled as a voltage source with an internal impedance. The mechanical equations are equivalent as those for the synchronous machine. The Acceleration Time Constant (in s)…
The attached project contains a DPL script located in the Scripts library. The script performs the following tasks: - Execute the "Calculation of Initial Conditions" and "Run Simulation" commands. -…
The static generator allows to control the negative sequence currents via the input signals i2d_ref and i2q_ref. Internally is the cosref, sinref signal used for the transformation (which is typically…
The individual phases A, B and C of the AC voltage source (ElmVac) can be controlled in EMT and RMS simulation. For that purpose, a voltage source (ElmVac) is linked to composite model. The composite…
The individual phases of the AC voltage source (ElmVac) can be controlled in RMS/EMT simulations. For that purpose, the voltage source (ElmVac) is linked Fourier Sources (ElmFsrc) by a composite…
An UPFC (Unified Power Flow Controller) is a FACTS (Flexible AC Transmission System) device, which consists of two VSCs (Voltage-Sourced Converters). The VSCs are interconnected with each other on…
To change the tap position of a 3-winding transformer during a simulation define a parameter event (EvtParam) using the appropriate variable: e:nntap_int_h which corresponds to the tap-position HV…
Yes, it is possible to exchange variables between two composite models in the same way as it is done between two common models. It is only necessary to set up a frame in which the two frames are…
Attached you can a PowerFactory project containing the investigation for VDEW compliance of an asynchronous generator (Example 1) and an inverter-fed synchronous machine (Example 2)…
A common application for BESS consists in replacing the spinning reserve/primary reserve in a power system. This application becomes significantly important in small or island power systems with…