Patent ID: 11958374
Assignee: SIEMENS INDUSTRY, INC.
Field: Transport (Mechanical engineering)
Classification: CPC B  G  H  Y | IPC B  H

Claim 8:
9. A method for supplying electricity to an electric vehicle (EV) being a load, the method comprising:
providing an electric vehicle supply equipment (EVSE) comprising:
a short-range wireless radio coupled to a processor and the short-range wireless radio coupled to an antenna to provide short-range wireless communications between the EVSE and one or more external devices;
a coupler; and
an arc fault detection circuit interruption (AFCI) device including:
a controller including the processor and a memory;
circuitry; and

computer-readable firmware code stored in the memory which, when executed by the processor, causes the controller to:
detect an arcing level of arcing between the coupler and a charge port of the electric vehicle (EV),
compare the arcing level to a threshold level to determine a hazardous nature of arching, and
accumulate information about a level of arcing, a duration of arcing, a number of times arching happened to predict the health of the coupler based on arc energy.