Energy Scheduling of Battery Storage Systems in Micro Grids

Abstract

Microgrids in island mode with high penetration of renewable energy sources in combination with gensets and battery storage systems need a control system for voltage and frequency. In this study the main goal is maximization of the energy feed-in by renewable sources. Therefore it is necessary to keep the State of Energy for the Battery Storage System in a range that the excess energy can be absorbed and used in a later period of the day. In this paper an approach for State of Charge scheduling based on load and generation prediction is described.

A review on real‐time simulation and analysis methods of microgrids

“…Generation scheduling is one of the extensively studied topics in the literature. 68,69,70 The variable nature of renewable DGs in microgrids introduces large power fluctuations that must be addressed in scheduling. In this regard, few RT scheduling methods have been proposed for tracking unpredictable changes of generation in microgrids.…”

“…Generation scheduling is one of the extensively studied topics in the literature , . The variable nature of renewable DGs in microgrids introduces large power fluctuations that must be addressed in scheduling.…”

Impact of operation strategies of large scale battery systems on distribution grid planning in Germany

“…(i) The battery is sized for the worst case, e.g. the day with the highest irradiation and no load, as in [160].…”

“…This grid supportive operating strategy is applied to large scale BSS by [14], [160], [162] and [163]. The focus of IRENE Project lies on grid expansion relief.…”

“…The calculation of the set-points of P and Q are calculated externally and not by the BSS itself. [160] Similar to the aforementioned project the BSS in Fechheim limits the power to 40 % of the cumulated P rDG of feeder in which the BSS is allocated with an active power control and uses a reactive power control to reduce the voltage in the case of a fully loaded storage [162].…”