This part specifies the main types, basic parameters and dimensions, technical requirements, test methods, inspection rules, inspection items, and requirements for marking, packaging, and transportation of grid-connected (with speed-up gearbox) wind turbine asynchronous generators. This part applies to grid-connected (with speed-up gearbox) single-speed or double-speed asynchronous generators (hereinafter referred to as generators), and other types of generators can be used by reference.