The generator sets for water conservancy and hydropower plants generally include mobile diesel generators and fixed diesel generators. Widely used in water conservancy and hydropower engineering construction, reserve emergency power supply. According to function: ordinary type generator set, automatic generator set, monitoring type generator set, automatic switching type generator set, automatic combination type generator set. According to the structure: open shelf type generator, box type generator set, mobile generator set. A generator can be divided into: box type rainproof box generator, low noise generator, mute generator, container station. The mobile generator set can be divided into tow parts: trailer type diesel generator set and mobile diesel generator set.