1. (1) B. C. Lippiatt : “BEES 4.0: Building for Environmental and Economic Sustainability. Technical Manual and User Guide”, NIST: National Institute of Standards and Technology, pp. 240-243 (2007)
2. (2) H. Ohta, J. Kwan, and S. I. Chun : “Global Application of Vegetable Oil Based Dielectric Fluid - Actual Use and Performance”, The Papers of Technical Meeting on Electrical Discharges, IEE Japan, ED-11-049, pp. 7-11 (2011) (in Japanese)
3. (3) M. Hamaguchi, H. Sonobe, S. Kida, K. Takamoto, T. Umemura, and K. Takamoto : “The characteristics of New Green Transformers impregnated with natural fluids”, The Papers of Technical Meeting on Static Apparatus, IEE Japan, SA-05-104, pp. 19-23 (2005) (in Japanese)
4. (4) T. Suzuki, T. Kanoh, H. Koide, and T. Hikosaka : “Characteristics of Palm Fatty Acid Ester (PFAE), a New Vegetable Based Insulating Oil for Transformers”, IEEJ Trans. PE, Vol. 129, No. 8, pp. 975-978 (2009) (in Japanese)
5. (5) M. Ueda and T. Ishii : “Effect of Moisture on AC Breakdown Voltage of Insulating Oil at Low Temperature”, Mitsubishi Denki giho, Vol. 46, No. 10, pp. 1201-1204 (1972) (in Japanese)