Braun, M.M.BraunGeibel, D.D.Geibel2022-03-052022-03-052009https://publica.fraunhofer.de/handle/publica/244449Power quality and reliability are two very important factors in electrical power supply, particularly for specific branches of industry. Multifunctional PV battery systems can improve power quality, substitute uninterruptible power supply systems, and can offer additional services such as energy management and peak shaving. This article presents the results of an analysis of possible services under current German conditions and the measurement results of laboratory tests and a pilot demonstration.enjournal article