Yukihia Iijima

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Renewable energy sources such as wind-turbine and photovoltaic power generators may make the power grid unstable due to their output fluctuations. Battery energy storage systems (BESSs) are being considered as a countermeasure for this issue. “BESSs” require bidirectional ac-to-dc and dc-to-ac converters, so improvement of the converter(More)
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