Electric vehicle supply equipment

• Main Authors: SOTO VICTOR, RAMIREZ CARLOS E, BROWN KENNETH J
• Format: Patent
• Language: English
• Published: 07.07.2015
• Subjects: CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; CONVEYING; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; HANDLING THIN OR FILAMENTARY MATERIAL; HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PACKING; PERFORMING OPERATIONS; STORING; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

Electric vehicle supply equipment includes an enclosure, an electric vehicle supply circuit for providing a flow of current to an electric vehicle, a charge circuit interrupting device, the charge circuit interrupting device arranged to interrupt the flow of current to the electric vehicle, a grounding monitor circuit, the grounding monitor circuit coupled to grounding conductors, the grounding monitor circuit having a grounding output signal, a ground default detection circuit, the ground fault detection circuit coupled to current carrying conductors, the ground fault detection circuit having a fault detection output signal, a controller, the controller coupled to the grounding monitor circuit, the ground fault detection circuit and the charge circuit interrupting device, the controller arranged to control the charge circuit interrupting device, and logic arranged to receive the grounding and fault detection signals and the control signal, and assert a close signal based upon the grounding and fault detection signals.