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Multifunctional photovoltaic inverters - economic potential of grid-connected multifunctional PV-battery-systems in industrial environments

: Braun, M.; Stetz, T.


Lincot, D. ; European Commission, Joint Research Centre -JRC-:
The compiled state-of-the-art of PV solar technology and deployment. 23rd European Photovoltaic Solar Energy Conference, EU PVSEC 2008. Proceedings. CD-ROM : Held in Valencia, Spain, 1 - 5 September 2008; Proceedings of the international conference
München: WIP-Renewable Energies, 2008
ISBN: 3-936338-24-8
ISBN: 978-3-936338-24-9
European Photovoltaic Solar Energy Conference and Exhibition (EU PVSEC) <23, 2008, Valencia>
Fraunhofer IWES ()
multifunctional photovoltaic inverter; peak shaving; uninterruptible power supply; industrial application

Power quality and reliability are two very important factors in electrical power supply, particularly for specific branches of industry. "Multifunctional Photovoltaic Inverters" with storage units at the direct current link of the photovoltaic inverter can substitute uninterruptible power supply systems. Installed in industrial facilities, this type of photovoltaic-battery-system can offer additional services such as energy management and peak shaving. This paper presents a thorough analysis of possible services under current German conditions. The most promising services are investigated with regard to the additionally generated profit for the stakeholders involved. With the presented analysis it is shown that this type of photovoltaic-battery-system can provide considerable added value in industrial facilities compared to conventionally available technologies.