BATTERY CHARGER FOR MOTOR VEHICLE, ASSOCIATED VEHICLE AND IMPLEMENTATION METHOD

• Main Author: LOUDOT, Serge
• Format: Patent
• Language: English; French; German
• Published: 01.03.2023
• Subjects: APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC,OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWERSUPPLY SYSTEMS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER; CONTROL OR REGULATION THEREOF; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUTPOWER; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRICITY; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; GENERATION; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; SYSTEMS FOR STORING ELECTRIC ENERGY; TRANSPORTING; VEHICLES IN GENERAL

The battery charger (2) for a motor vehicle (1) comprises a primary circuit (5) intended to be connected to a power supply network (R1), and two secondary circuits (6, 7) connected to the primary circuit by means of a transformer (8). The transformer comprises three high-voltage terminals (40, 41, 42) and one low-voltage terminal (43), the primary circuit and a first secondary circuit being connected to the high-voltage terminals, the second secondary circuit being connected to the low-voltage terminal, the high-voltage and low-voltage terminals being arranged in the transformer such that the mutual inductances between windings (15, 16, 17) of the primary circuit are equal and such that the mutual inductances between each of the windings of the primary circuit and a winding of the second secondary circuit are equal, this condition being satisfied by the high-voltage terminals being equidistant from each other and each of the high-voltage terminals being equidistant from the low-voltage terminal.