ELECTRIC VEHICLE CHARGING SYSTEM FOR EXISTING INFRASTRUCTURE

The invention concerns a multipurpose charging system suitable for supplying charging power to an electricity-powered vehicle. The charging system comprises a plurality of spaced apart fixtures, where each fixture comprises a power inlet for receiving electrical energy. At least one of the fixtures...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: JOHANSEN, Brage W, NÆSJE, Kjetil
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:The invention concerns a multipurpose charging system suitable for supplying charging power to an electricity-powered vehicle. The charging system comprises a plurality of spaced apart fixtures, where each fixture comprises a power inlet for receiving electrical energy. At least one of the fixtures is an EVSE fixture comprising a control device system comprising an EVSE control device and an EV plug, where the EVSE control device is configured to charge, via the EV plug, a rechargeable battery powering the electricity-powered vehicle. The energy transfer from the EV plug to the battery may take place via a charging cable. The charging system further comprises a primary power source arranged outside the fixtures for supplying electric energy (PS) to the power inlet of each of the fixtures, one or more second electric loads arranged at least partly within at least one of the fixtures and a solid state transformer system arranged within the at least one EVSE fixture. The solid state transformer system comprises at least an EVSE solid state transformer having a primary side being electrically connectable to the primary power source for receiving electric energy at a voltage level VPS and a secondary side providing electric energy at a voltage level VEVSE, the secondary side being electrically connectable to the EVSE control device, either directly or indirectly.