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A static load model is always equivalent to a constant impedance model. For modelling any different characteristic, you have to switch it over to 100 percent dynamic. A real constant PQ load model can…
PowerFactory provides a built-in functionality to adapt the power of selected loads to result in the measured values at the beginning of a feeder. Using the attached example, the following steps…
The example attached includes a measurement file drive in a 3-phase load. Import the project, save the data file loadmeas.txt to the hard disk and select this file in the measurement file object of…
PowerFactory provides the toolbox Quasi-dynamic Simulation to calculate a set of load flow calculations considering defined time characteristics.Almost for every element parameter, characteristics can…
In the attached example a random signal is generated using the sample and hold noise generator (ElmNoise) within a DSL model. The generated random signal is defined to change every 1/Frequency…
The slots in the standard frames are predefined slots for the different elements a synchronous machine controller may have, i.e. the element Power System Stabilizer (ElmPss), etc. The names of the…
Although both look very similar, there is an important difference between the frame and the block diagram. The frame does consist of slots and signals connecting them. In the slots only the inputs and…
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The order of the signals defined in a slot and block definition is not relevant for the model. PowerFactory doesn't assign the signals by order, but it does it using the names. Therefore the name is…
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The export to the spreadsheet format uses text files where the columns are separated by tabs.This is a format which is supported by several spreadsheet programs.In tab separated columns it is not…
The damping of transient phenomena during a transient simulation is due to 2 causes: Physical damping or numerical damping. - The physical damping is due to the behaviour of the modeled electrical…
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