Mine site testing for Cummins’ biggest ever generator set

Posted: April 23, 2013 in Mining, Power Generation

Field testing of the biggest generator set ever developed by Cummins will begin at an Australian mine site later this year.

The 3.5 MW C3000-series generator set incorporates Cummins’ new QSK95 engine, a 95-litre V16 that achieves higher output from 16 cylinders than competitors’ 20-cylinder engines.

With an output of over 4000 hp, the QSK95 is the highest horsepower engine ever developed by Cummins.

The C3000-series marks the start of a new line of diesel and gas generator sets from Cummins.

The C3000-series marks the start of a new line of diesel and gas generator sets from Cummins.

A high-speed diesel (1200 to 1800 rpm), the QSK95 will eventually become available for a range of high-hour, high-load applications including power generation, mine trucks and excavators, oil and gas drilling modules, locomotives and marine vessels.

“The new C3000-series generator set will change expectations of what can be achieved by high-speed diesel technology, marrying industry-leading power density with increased durability,” says Tony Satterthwaite, president of Cummins’ power generation business.

“Designed as a global product platform, the C3000-series will be able to be used anywhere in the world for standby, prime or continuous duty applications.”

Scheduled for production in late 2014, the C3000-series marks the start of a new line of diesel and gas-powered gensets from Cummins.

When the larger 120-litre, 20-cylinder QSK120 version of the QSK95 engine becomes available, Cummins’ generator set product line will extend beyond 4 MW.

“Our natural gas-powered generator set will be designed specifically for gas, not just a derivative of the diesel product line,” says Satterthwaite.

With an output of over 4000 hp, the QSK95 is the highest horsepower engine ever developed by Cummins. It will eventually become available for a range of high-hour, high-load applications such as mine trucks and excavators, oil and gas drilling modules, locomotives and marine vessels.

With an output of over 4000 hp, the QSK95 is the highest horsepower engine ever developed by Cummins. It will eventually become available for a range of high-hour, high-load applications such as mine trucks and excavators, oil and gas drilling modules, locomotives and marine vessels.

The 3.5 MW C3000-series leverages Cummins’ ‘Power of One’ capability, with single-company design and manufacture of all key systems. The QSK95 engine, alternator and controls have all been developed simultaneously with the C3000-series with the goal of creating a fully integrated and optimised generator set.

The 95-litre engine enables fast ramp-up to maximum power, taking advantage of faster transient response from four compact turbochargers.

The modular common rail fuel system with up to 2200 bar (32,000 psi) high-pressure injection also results in smoother, quieter and more fuel efficient operation.

The high power density of the QSK95 is achieved with a hardened power cylinder and single-piece forged steel piston. The increased strength also contributes to extended life-to-overhaul with minimum mid-life intervention.

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