1. (1) Japan Data Center Council (JDCC): “Data center facility standard” (2010) (in Japanese)
2. (2) R. L. Sawyer: “Making Large UPS Systems More Efficient”, APC white paper 108
3. (4) K. Matsui, K. Sasaki, S. Tanimoto, Y. H. Tanisawa, and S. Sato: “70kW/L All-SiC inverter”, Conference Record of IEEJ Annual Meeting, No. 4-145 (2013) (in Japanese)
4. (5) A. Lidow, D. Reusch, and J. Glaser: “Getting from 48V to Load Voltage: Improving Low Voltage DC-DC Converter Performance with GaN Transistors”, IEEE International Conference APEC 2016, Education seminar (2016)
5. (6) J. Muhlethaler, J. Biela, J. W. Kolar, and A. Ecklebe: “Core Losses under DC Bias Condition based on Steinmetz Parameters”, IEEE Trans. on Power Electronics, Vol. 27, No. 2, pp. 953-963 (2012)