Ground in a multiphase system

[Harald Kapp]

Harald Kapp submitted a new resource:

Ground in a multiphase system - How to simulate e.g. a 3 phase system

A 3-phase system may be connected in star (Y-) connection or in delta connection. Whereas both schemes are physically possible and each one can be transformed mathematically into the other, there are some obstacles for simulation.
Preferably, a 3-phase voltage source should be modeled in Y-connection, connecting the neutral point to GND (unless the circuit absolutely requires the GND connection elsewhere - remember: if you place more than one GND symbol, those nets are electrically connected)....

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