... time5sLine-voltage waveform sinusoidal distortion rate2.5%Gas EngineModelND159D28TLTypeV type,Website:http://www.sdnpt.com,4 ... r/min)1500/1800Speed Regulation ModeElectricalStarting ModeElectricalFuel typeNatural gas/biogasOverall dimension (L x W x H)( ... defense, telecommunications, field construction, high-rise buildings, commercial buildings, industrial and mining enterprisers, oil fields,roads, ...