A contained generating set is a diesel generating set enclosed in container with built in 4 or 8 hour fuel tank featuring rainproof for outdoor use.
Generator sets technical standards: in accordance with national GB/T2820 "reciprocating internal combustion engine driven alternating current generating sets" 
The electrical properties of generator:

Rated Voltage:400/230V
Wiring Method:three-phase four-wire system

rated frequency:50HZ(60HZ)
Rated speed:1500r/m(1800r/m)
Transient voltage regulation:+20%,-15%
Steady state frequency regulation:<±1%
Rated power factor:0.8()
The line voltage waveform distortion rate :≤5%
frequency Regulation :Steady state ≤0-5% Transient≤±10%