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Cummins introduce new lean-burn gas generator range

Cummins new lean-burn gas generator

Second-phase development of QSV91 series targets remote locations and delivers robust performance

CUMMINS Power Generation have launched a new lean-burn gas generator set product line. The new 50Hz products target remote locations by delivering strong performance with optimal load acceptance capability in ‘island’ mode.

The generators, which extend the capabilities of the existing QSV91G generator range, provide superior transient performance and improved fuel capability, allowing them to run on low methane number fuels and producing reduced emissions.

The new line marks the debut of a 2MWe variant, alongside the improved 1,540kWe and 1,750kWe models. Primary applications for the new models include prime, peaking and combined heat and power (CHP), as well as continuous operation in island mode and standby power.

The generators’ robust load-handling attributes and ability to run on pipeline and low methane number fuels (down to 43MN) make them well suited to remote locations where grid power is unavailable, unreliable or inaccessible.

In keeping with Cummins’ commitment to a reduced carbon footprint to help meet worldwide emissions standards, NOx emissions ratings as low as 250mg/Nm3 are available where required. The range also retains its proven ability to run on biogases from landfill, digester and sewage sites.

In another step up in performance, the new product line is designed to meet the ISO 8528 G1 standard. Compliance means that the new models deliver improved transient performance with quicker recovery to rated voltage and frequency during start-up and as loads fluctuate. The advance is facilitated by a complete redesign of the generator sets’ turbo layout utilizing technology only available from Cummins Turbo Technologies.

An additional major feature of the new line-up is ‘black start’ capability – the ability to bring the generator set quickly into operation without relying on an external electricity source such as the grid.

Black start capability frees the generator set from grid dependency and allows its deployment anywhere there is a need. The new product line is also capable of running in high-altitude and high ambient temperature environments with minimal derate.

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