DOI: 10.1109/itec-ap.2014.6941191
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Ju-Kyoung Eom, Bong-Yeon Choi, Moo-Young Ryu, Yong-Su Noh, Chung-Yuen Won

Abstract: In this paper, the uninterruptible power supply(UPS) mode transfer method of three-phase energy storage system (ESS) using the silicon-controlled rectifier(SCR) is applied. In the three-phase ESS using the SCR, the three-phase grid is not blocked because each-phase has a difference of 120 degree. Therefore, the ESS needs the UPS transfer method which is blocking the three-phase grid at the same time when the grid fault occurs. So the UPS mode transfer method which is blocking the SCR by changing the direction…

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