Ultimately the value and cost of energy storage depends on the performance of many cells within an end-use application. This requires attention to be given to system integration issues such as power converters, balancing circuits, and energy management (supervisory) charge/discharge control. These systems are not an afterthought, they are crucial for the safe and reliable operation of energy storage. Without their proper design, pack performance will be limited in terms of lifetime, capacity, cost and other metrics. Our research enables systems to last many years whilst always delivering optimum performance by developing new approaches for individual cell level management with decentralised control, fault detection approaches, and energy management systems that use intelligent forecasting and predictive charge control.
Volkan Kumtepeli, Luis Couto, David Howey
Prof Michael Osborne (Oxford), Prof Stephen Duncan (Oxford), Dr Dan Rogers (Oxford)
- J.M. Reniers, G. Mulder and D.A. Howey. “Unlocking extra value from grid batteries using advanced models”. Journal of Power Sources 487:229355, 2021.
- B. Riar, Lee, J., Tosi, A., Duncan, S.R., Osborne, M., and Howey, D.A., “Energy Management of a Microgrid: Compensating for the Difference between the Real and Predicted Output Power of Photovoltaics”, IEEE 7th International Symposium on Power Electronics for Distributed Generation Systems (PEDG), Vancouver, 2016
- D.F. Frost and Howey, D.A., “Novel MMC control for active balancing and minimum ripple current in series-connected battery strings”, in 17th European Conference on Power Electronics and Applications (EPE’2015 ECCE Europe), Geneva, 2015