Abstract
In the distribution grids with high R/X proportion, active power curtailment (APC) of battery energy storage system (BESS) becomes an effective strategy for mitigating voltage rise, which is caused by high photovoltaic (PV) penetration. To this purpose, previous researches have presented studies of utilityscale BESS implementation for utility-scale PV penetration. However, the requests for customer-scale PV integration into distribution grids are rapidly increasing. This condition leads to the requirements for studying the performance of utilityscale BESS for the customer-scale PV penetration. Therefore, this article proposes a voltage rise mitigation control scheme of utility-scale BESS for high penetration of customer-scale PV systems. Since the previous studies provided the BESS implementation for utility-scale PV penetration, implementing the BESS control scheme on the distribution system with high customer-scale PV penetration is necessary. It is because, in the last few years, the PV penetration is increasing massively. Moreover, to perform an appropriate BESS control, a control scheme based on the maximum voltage is proposed in this research. To justify the proposed method, the IEEE 123-node test feeder is employed. The results indicate that the proposed control scheme can be used by the distribution system operator in utilizing the utility-scale BESS for voltage rise mitigation in the system with high penetration of customer-scale PV systems. Specifically, this article provides the foundation for performing future studies.
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