... operation 3.Low operation cost 4.Low fuel consumptio Natural gas generator Electric start, water-cooled, four-stoke, direct injection ... Regulation, Stead State≤±1%Sudden Voltage Warp (Sudden Reduce)≤+20%Sudden Voltage Warp (Sudden Increase)≤-15%Voltage Stable Time ... temperature, lube-oil temperature, lube-oil pressure, exhaust temperature10) Gas consumption: less than 0.33cbm/kWh 11) Supply connection: ...