Abstract
This paper proposed that a method of dividing the compensated power reference value for each energy storage system for the power leveling system using multiple energy storage systems used for the photovoltaic power generation system. This proposed method is effective for a power leveling system consisting of an energy storage system such as LiB whose output is small for its capacity and an energy storage system such as FW whose capacity is small for its output. The main purpose of controlling state of charge is to reduce the state of charge of energy storage systems, such as FW, which have a small capacity for the output, reaching the upper and lower limits of compensation. The fluctuation suppression effect obtained by demonstration test was 2.9 × 10<sup>−2</sup>, a decrease of 81 % less than when nothing was done.
Published Version
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