Caterpillar offers the G3512E natural gas-fuelled generator set, designed for extended-duty distributed generation and combined heat and power (CHP) applications. Driven by a Cat electronically controlled, lean-burn gaseous-fuelled reciprocating engine, the G3512E genset offer a high power density and fuel efficiency while maintaining tight NOx control. It can operate on pipeline natural gas with a range of methane numbers without, says Cat, sacrificing efficiency and performance, delivering up to 41.7% ISO electrical efficiency without water pumps. The genset operates at 50Hz/1500 rpm with Miller Combustion Cycle and is rated at 1000ekW. A digital microprocessor Gas Engine Control Module is standard; it automatically regulates ignition, engine governing and air/fuel ratio for fuel economy and NOx control.
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