A Case Study on Optimal Sizing of Battery Energy Storage to Solve 'Duck Curve' Issues in Malaysia

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Wong L.A.
Ramachandaramurthy V.K.
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Institute of Electrical and Electronics Engineers Inc.
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Battery energy storage (BES) has the ability to solve many power system problems especially in systems with renewable energy resources integrated. Due to the intermittent nature of solar photovoltaic (PV) generation, different problems have arise such as voltage fluctuation and reverse power flow. Besides, duck curve issue has become more significant with the increasing amount of PV integrated in the power system as first raised by the Californian Independent System Operator. Studies on these issues has become important in order to solve the steep ramp and over generation problems caused by duck curve issue. The duck curve issues based on general Malaysia load profile and PV pattern are studied in this paper. Besides, the feasibility of BES in solving these issues with suitable BES capacity is investigated. The results show that the BES has the ability to solve the duck curve issues through proper control of BES charging and discharging operation. � 2020 IEEE.
Electric load flow; Electric power transmission networks; Electric utilities; Renewable energy resources; Secondary batteries; Smart power grids; Solar power generation; Battery energy storage; Battery energy storages (BES); Independent system operators; Load profiles; Optimal sizing; Reverse Power flows; Solar photovoltaics; Voltage fluctuations; Battery storage