JT-60 operational experience and trouble analysis

Operational experience for the JT-60 (JAERI Tokamak-60) from FY 1985 to FY 1988 is reported. Various statistics and troubleshooting data provided useful information on the availability and reliability of the JT-60 facilities. As a result, effective countermeasures have been developed to raise operational efficiency. The tokamak machine, magnet power supplies, and control systems are discussed.<>