The generating units for flood control and drought protection generally include mobile diesel generators and fixed diesel generators. Widely used in the construction of the national headquarters of flood control and drought disaster. 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.