Rolls Readies Hybrid Airliner Propulsion Trials | Aviation International News

Rolls Readies Hybrid Airliner Propulsion Trials

Rolls-Royce has delivered the generator and related power electronics for its new electric propulsion system to its testbed in the UK.

The generator for Rolls-Royce's 2.5-MW Power Generation System 1 (PGS1) now resides at the company's Testbed 108 in Bristol, UK. (Photo: Rolls-Royce)

By Gregory Polek • Senior Editor

July 22, 2021

Rolls-Royce has delivered the generator and related power electronics for its 2.5-MW Power Generation System 1 (PGS1) demonstrator from the company’s facility in Trondheim, Norway, to the newly renovated Testbed 108 in Bristol, UK. The relocation of the propulsion system, designed to power regional airliners, followed what the aero engines group called an extensive development test program in an announcement on Thursday.

The generator can be applied to hybrid-electric propulsion systems or be used as part of a “more-electric” system for larger aircraft. PGS1—considered the most powerful hybrid-electric aero power and propulsion system developed to date for aerospace applications—accounts for an important part of Rolls-Royce’s sustainability strategy, which includes developing innovative electrical power and propulsion systems, as well as further improving gas turbine performance and promoting the use of sustainable aviation fuels.

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