A Next Generation Battery Backup System for Signalized Traffic Intersections

摘要

Power failures, whether caused by extreme weather events or human error, impact the normal operation of signalized traffic interesections and can cause gridlock and safety issues. Consequently it is essential for cities and states to utilize battery backup systems (BBS) to maintain critical intersections when utility power to the traffic cabinet fails. The agencies responsible for maintaining BBS for signalized traffic intersections have historically faced this problem with an imperfect solution. Lead acid batteries have been used for years as the power source in BBS for traffic intersections, but they are a less than ideal solution - bulky, potentially hazardous, and are performance challenged in extreme temperature conditions.