Julian Rominger (M. Sc.)
Wissenschaftlicher Mitarbeiter
Werdegang
Julian Rominger studierte Wirtschaftsingenieurwesen am Karlsruher Institut für Technologie (KIT) und schloss sein Masterstudium im Jahr 2016 ab. Die Masterarbeit zum Thema „Regelleistungsbereitstellung durch RLT-Anlagen“ fand im Rahmen des Projektes „SmartEnergy@FIZ“ zwischen dem FZI Forschungszentrum Informatik und BMW statt. Des Weiteren absolvierte er im Jahr 2015 einen internationalen Master im Bereich Energie und Umwelt mit Abschlüssen der Universitäten Universidad Politécnica de Madrid (UPM) und dem Royal Institute of Technology (KTH) in Stockholm. Während seines Studiums sammelte er Praxiserfahrung durch Praktika unter anderem in der Energie- und Automobilbranche.
Seit 2016 ist Julian Rominger als wissenschaftlicher Mitarbeiter am FZI im Forschungsbereich Intelligent Systems and Production Engineering (ISPE) tätig, wo er sich mit Flexibilitätsvermarktung von Energieeinheiten beschäftigt.
Publikationen
Zeitungs- oder Zeitschriftenartikel (1)
- Public charging infrastructure in Japan – A stochastic modelling analysisInfoDetails
Julian Rominger, Csaba Farkas, 2017
Electric vehicles (EV) are treated as a breakthrough technology in the automotive market. The novelty of this technology also implicates that the incidence of these vehicles worldwide is still low. An important issue regarding EVs is the existence of proper charging infrastructure as waiting at charging stations due to an inadequate number of chargers can discourage EV owners. However, as the number of EVs and charging stations are low at present, real world experience is not available, so computer simulations are required for the planning of such charging stations. We developed a stochastic model in this paper that includes driving and charging behaviour of EV owners in Japan. The model is based on Monte Carlo methods and was implemented in MATLAB. We conducted simulations with this model to find out whether the existing infrastructure is adequate for the charging of a large number of EVs. The results indicate that Japan is well prepared for an increase in plug-in vehicles (PHEVs) in the near future: currently the country has 6 fast chargers for 100 electric cars and for this ratio - on average -, waiting probability at DC (direct current) fast chargers ranges lower than 5%, which is an acceptable value for EV owners. If, however, the ratio decreases, waiting probability increases exponentially.
Konferenzbeitrag (1)
- Provision of frequency containment reserve with an aggregate of air handling unitsInfoDetails
Julian Rominger, Fabian Kern und Hartmut Schmeck
Following political strategy changes with the goal to reduce greenhouse gas emissions, the German power system has experienced a great penetration of intermittent renewable energy sources. The volatile electricity generation of renewable energy sources requires greater flexibility not only on the electricity supply but also on the demand side. The ventilation of buildings represents a largely untapped resource for demand response measures such as control reserve. Due to the quick reaction speed and inertia of the air balance of supplied buildings, electric motors of air handling units qualify to provide frequency containment reserve. In this paper we present a system architecture according to standards by the German transmission system operators to provide frequency containment reserve with an aggregate of air handling units. At an industrial site containing workshop and office buildings a prototype of the system has been installed and prequalified by the transmission system operators to provide almost 300 kW of frequency containment reserve.
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Kontakt
Telefon: +49 721 9654-556
E-Mail: rominger@fzi.de- Public charging infrastructure in Japan – A stochastic modelling analysisInfoDetails