Westinghouse Air Brake Technologies Corporation
SYSTEM WITH ACTIVE FILTER FOR A BATTERY

Abstract:

A system may be provided that may include a first battery, and an inverter coupled to the battery. The system may also include a first active filter including a first switch element, second switch element, third switch element, and fourth switch element. Each switch element may be coupled to the first battery or the inverter. The first, second, third, and fourth switch elements may be configured to increase or decrease an applied voltage or current of the first battery.