公开(公告)号：US20210048485A1

公开(公告)日：2021-02-18

申请号：US17083334

申请日：2020-10-29

Applicant: ABB Schweiz AG

Inventor： Gertjan Koolen ,  Balazs Villanyi ,  Lars Bech ,  Jim Van-Der-Heijden

IPC: G01R31/52 ,  B60L53/16 ,  B60L53/18

Abstract: A Protective Earth (PE) loss detection method for charging an electrical vehicle is provided. The electrical vehicle comprises an Electrical Vehicle Supply Equipment (EVSE), a charging connector, and/or a charging cable comprising at least a Proximity Pilot (PP) line for a PP signal, a Control Pilot (CP) line for a CP signal and a PE line for a PE signal. The method comprises detecting interruption of the PE line by observing a change of the PP signal.

公开(公告)号：US11933862B2

公开(公告)日：2024-03-19

申请号：US17083334

申请日：2020-10-29

Applicant: ABB Schweiz AG

Inventor： Gertjan Koolen ,  Balazs Villanyi ,  Lars Bech ,  Jim van-der-Heijden

IPC: G01R31/52 ,  B60L53/16 ,  B60L53/18

CPC classification number: G01R31/52 ,  B60L53/16 ,  B60L53/18

Abstract: A Protective Earth (PE) loss detection method for charging an electrical vehicle is provided. The electrical vehicle comprises an Electrical Vehicle Supply Equipment (EVSE), a charging connector, and/or a charging cable comprising at least a Proximity Pilot (PP) line for a PP signal, a Control Pilot (CP) line for a CP signal and a PE line for a PE signal. The method comprises detecting interruption of the PE line by observing a change of the PP signal.