... .9-G, 6BTA5.9-G, 6BTAA5.9-G,6CTAA8.3-G, NTA855-G, KTA19-G, KTAA19-G, ... and four wires alternating current output9) Frequency: <3%10) Frequency at stable state: <0.5%11 ... 15) Voltage return time:≤4s16) Voltage modulation:≤0.3%17) Standard configuration of gensets: a) Engine:Cummins ... standard collocation:a) Diesel engine with all accessories, 3 filter, electric systems b) Alternatorc) Steel structure d ...