公开(公告)号：US10802083B2

公开(公告)日：2020-10-13

申请号：US14403570

申请日：2013-05-24

申请人： Webasto Charging Systems, Inc.

发明人： Scott Garret Berman ,  Albert Flack ,  Keith Kolb ,  Ming Bai

IPC分类号： G01R31/02 ,  G01R31/58 ,  B60L3/00 ,  B60L53/16 ,  G01R31/00

摘要： In at least one embodiment, provided is an electric vehicle supply equipment having a line power contactor including a first line power input and a second line power input and a first line power output and a second line power output. It further has a welded contactor detector with a contactor sense circuit, the sense circuit having a first line shunt resistor network connected from the first line power contactor output to ground and a second line shunt resistor network connected from the first line power contactor output to ground. In another embodiment provided is an EVSE including a welded contactor detector with a contactor sense circuit having a bias resistor connected between the hot line relay input and the neutral line relay output.