This standard applies to rotating electrical machines with a rating of 750W or more used onboard ships. This standard also applies to exciters and includes corresponding requirements for the prime mover that drives the generator.
JIS F 8064:2000 history
2000JIS F 8064:2000 Electrical installations in ships -- Part 301: Equipment -- Generators and motors
1986JIS F 8064:1986 Electrical installations in ships Part 301 Equipment -- Generators and motors