1. Technical Trend of Environment-friendly High Voltage Vacuum Circuit Breaker (VCB).
2. 大久保仁: 「環境低負荷の真空遮断器(VCB)高電圧化技術動向」, 電学論B, 123, 2, pp. 129-132 (2003-2)
3. History of vacuum circuit breakers and recent developments in Japan
4. (3) H. Okubo and S. Yanabu: “Feasibility Study on Application of High Voltage and High Power Vacuum Circuit Breaker”, 20th Int. Symp. on Discharge and Electrical Insulation in Vacuum, pp. 275-278 (2002)
5. (4) H. Saitoh, H. Ichikawa, A. Nishijima, Y. Matsui, M. Sakaki, and H. Okubo: “Research and Development on 145kV/40kA One Break Vacuum Circuit Breaker”, IEEE PES T&D Asia Pacific, pp. 1465-1468, Yokohama (2002)