Battery charging device for automobiles, method for operating storage battery charging device on the automobile side, use of high voltage power supply network and storage battery charging device

摘要

The present invention relates to a storage battery charging device (3) for an automobile (1), which is configured for arrangement in the automobile (1), and the device (3) has a power factor correction filter (14). It comprises a first stage (11) and a second stage (12) having an inverter (15), where the first stage (11) is a second stage (20) via an intermediate point (20). It is electrically connected to 12), where the intermediate point (20) is directly electrically connected to the DC voltage power supply terminal (21), and the power supply terminal (21) is an automobile (1). ) Is configured to be directly electrically coupled to the high-voltage on-board power supply network (2).