SEEE DIGIBOOK ON ENGINEERING & TECHNOLOGY, VOL. 01, MAY 2018 pp. (78-82)
Abstract– This paper presents an ESS acts as a buffer between a generator and its load. An optimal operation technology that can maximize the benefit from using multiple batteries storage is proposed. The two levels of operation framework are optimal scheduling and real-time dispatch. The optimal scheduling employs a model predictive control technique to take into account uncertainty in estimation of the SOC of each battery system. The scheduler generates a sequence of the battery schedule sets and states over the control horizon that minimizes electricity charge while satisfying operation constraints for stable battery use and peak regulation. The real-time controller determines real-time operation mode that is either normal mode or peak-cut mode and dispatches the final set points. The time step of the real-time control is designed short enough to effectively handle the inter-scheduling uncertainty. The real time controller receives the scheduled outputs, and then calculates a hourly set of final commands that ensure to satisfy the operation constraints on real-time level.
Index Terms – BESS; SoC; Load Management; EMS; Optimal scheduling;
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GAYATHRI.M 1, NARAYANASAMY. A 1, Dr.E.LATHA MERCY 1, P.NARASIMMAN 2
1 GOVERNMENT COLLEGE OF TECHNOLOGY,
COIMBATORE, INDIA
2 KINGS COLLEGE OF ENGINEERING, PUDUKKOTTAI
gayathri.mu04@gmail.com,
mercy@gct.ac.in,
simman837@gmail.com