ExtractAC3
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Use
This auxiliary interface model enables modelers to divide physical models with electric circuits at AC level in a three-phase configuration into several parts and to freely cut individual electric branches. It often works in combination with the DefineAC3 model.
The ExtractAC3 covers the following applications:
Basic: During debugging, test simulations should show if parts of an electric circuit work properly, e.g. CHP with connected Grid but without a suitable power consumer. It therefore provides to add generic input data without closed-loop dependencies to other model components.
Advanced: Users want to integrate measured voltages, currents and phase angles in an electric circuit as input data sets to a complex model - Hybrid Digital Twin. It provides an output interface for result evaluation and separated feedback loops.
To use this model, it is not necessary to connect any further model components to the real outputs ▶Veff, ▶Ieff and ▶Phi. In opposite to DC system models (e.g. ExtractDC), these variables do not describe transient values but characteristic (effective - eff) system values. The phaseAngle ▶Phi describes the phase displacement between the voltage and current sine wave. All output variables are arrays with the size [3] - describing a three-phase grid. However, it is still possible for debugging or evaluation purposes or as additional inputs of controls.
Parameters
With the parameter VoltageLevel, the user can choose the type of AC voltage level with following options:
Low-Voltage: typical effective voltage range around 200 V to 300 V (PN-configuration)
Medium-Voltage: typical effective voltage range around 5 kV to 20 kV (PN-configuration)
High-Voltage: typical effective voltage range around 50 kV to 200 kV (PN-configuration)