This document stipulates the terms and definitions, types and basic parameters, basic requirements, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage and installation, and quality commitment of generators used in steam turbine generator sets. This document applies to generators for turbine generators (hereinafter referred to as generators) with a voltage level of 13.8 kV and below, a rated frequency of 50 Hz, and a rated power of 100 MW and below.