首页|Implementation of Battery Energy Storage System for an Island Microgrid With High PV Penetration
Implementation of Battery Energy Storage System for an Island Microgrid With High PV Penetration
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NETL
NSTL
IEEE
This article presents the innovative integrated control strategies of the battery energy storage system (BESS) to support the system operation of an offshore island microgrid with high penetration of renewable energy. An intelligent energy management system (iEMS) was implemented to perform the supervisory control and data acquisition of diesel generators, distribution feeders, photovoltaic (PV) systems, and the BESS. An expert system was designed and embedded in the iEMS to derive the decision making for fast power discharging of BESS to improve the system transient stability for the severe contingency of large disturbances caused by the tripping of generators and PV farm. To mitigate the impact of PV generation fluctuation and to maintain the stable operation of diesel generators, the adaptive control of power charging and discharging of the BESS is applied to reduce the ramping rate of PV generation. To achieve the economic dispatch of the microgrid, the strategy of peak shaving and valley filling of the system net load curve by the BESS was derived considering the forecasting daily profiles of system loading and PV power generation. The computer simulation of actual diesel generator tripping and the field test of intentional PV system shutdown have been executed to demonstrate the effectiveness of the proposed control strategies of the BESS system to improve the system operation and transient stability of the study microgrid with high penetration of renewable energy.
MicrogridsGeneratorsPower generationRenewable energy sourcesBatteriesSystems operationPower system stabilityBattery energy storage system (BESS)fast power dischargingintelligent energy management system (iEMS)microgridpeak shaving and valley filling
NETL
NSTL
IEEE
