TN-S system - Terre-Neutre-Separé system

Three-phase supply network [five-wire network with separately installed PE conductor (PE) and neutral conductor N]:

The star point of the transformer is earthed via a functional earth electrode.

The enclosures of the connected electrical equipment are directly connected with the functional earth electrode via the protective earth conductor (PE).

TN system with separate neutral and PE conductor.

URL for linking this AKB article: https://www.lenze.com/en-de/go/akb/200451180/1/