Configuration optimization of energy storage and economic
Based on this background, this paper considers different application scenarios of household PV, and constructs the optimization model of energy storage configuration of
It is a rational decision for users to plan their capacity and adjust their power consumption strategy to improve their revenue by installing PV–energy storage systems. PV power generation systems typically exhibit two operational modes: grid-connected and off-grid .
The O&M cost of a PV power generation system is contingent upon its output power, whereas the O&M cost of an energy storage system is dependent upon the number of cycles of charging and discharging.
PV–energy storage capacity planning results. Table 5 illustrates that the surplus electricity generated by a PV system without energy storage can only be sold online, which is an economically inefficient strategy, and at this time the annual most comprehensive cost is $4380.33.
The capacity configuration of energy storage system has an important impact on the economy and security of PV system . Excessive capacity of energy storage system will lead to high investment, operation and maintenance costs, while too small capacity will not fully mitigate the impact of PV system on distribution network.
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