... bio-gas from farm, gas form coal mine bed, land fill, oil well, coking plant 2.save fuel,high ... factorCOSΦ0.8phase — Three phasespeed governor— dedicated gas electronic governorSpeed Stability Bandwidth%no more than±0.1 ... Engine and Generator parameters3.With complete protection function: high water temperature, low oil pressure, over-speed, ... and engine parameters10.Alarm indication bio-gas genset