1. (1) Standard of The Japanese Electrotechnical Committee JEC-2350-2016: “Gas insulated switchgear” (2016) (in Japanese)
2. (2) IEC Int. Standard 62271-203: “HIgh-voltage switchgear and controlgear-Part 203: Gas insulated metal-enclosed switchgear for rated voltage above 52kV” (2003)
3. (3) IEEE Standard C37.122: “IEEE Standard for Gas-insulated Substations” (2010)
4. (4) GB-7674-1997: “Gas insulated metal-enclosed switchgear for rated voltage 72.5kV and above” (2008)
5. (6) IEC Int. Standard 62271-200 Edition 2.0: “High voltage switchgear and controlgear-Part 200: AC metal-enclosed switchgear and controlgear for rated voltage above 1kV and up to and including 52kV” (2011)