Honeywell's 1-Megawatt Generator Achieves New Milestone
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Honeywell's 1-Megawatt Generator Achieves New Milestone

  • Honeywell's 1-megawatt generator is an advanced, compact and efficient power source that can also be used as a megawatt motor without modifications

Honeywell (NASDAQ: HON) has successfully completed the first round of testing of its 1-megawatt generator system, a new power source designed to serve hybrid-electric aircraft. This system is the industry’s first aerospace-grade electric machine that can also be used as a 1-megawatt motor without modifications.

The megawatt generator operated at 1.02 MVA (~1MW@ unity power factor) power levels during successful testing. The test demonstration ran continuously at 900 kilowatts, highlighting the megawatt generator’s high-power density (~8kw/kg) and efficiency (~97%), which are key enablers in hybrid-electric propulsion for both aerospace and ground applications.

At 280 pounds, the Honeywell 1-megawatt generator weighs about the same as a motor scooter and delivers enough energy to power an entire neighborhood block. Its compact size, low system weight and fuel savings translate into sustainable and operational benefits for hybrid-electric propulsion and other applications such as mobile charging stations, turbogenerator systems that can be flown in remote areas, and directed energy systems.

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“Honeywell’s megawatt generator is a new addition to our extensive portfolio and an industry first. It represents an important step in providing scalable solutions that advance industry innovation and support more sustainable and efficient operations,” said Dave Marinick, president, Engines and Power Systems, Honeywell Aerospace. “Essential high power, through advanced and compact technology such as this, impacts both the future of flight and of hybrid-electric aerospace propulsion.”

When compared to other aerospace generators in the market today, key performance differentiators include a much higher efficiency (97% versus 88%-90%) and improved power density (8kW/kg versus 2k-3kW/kg).

“Over the years, our experienced team of researchers and designers has developed several cutting-edge technologies to identify and address our customers’ needs and to advance innovation in our industry. The development of our megawatt generator is another example of this, providing power levels several times higher than those available today while still meeting aerospace expectations around size and weight,” said Taylor Alberstadt, senior director, Electric and Hybrid Electric Propulsion, Honeywell Aerospace. “Additionally, the megawatt generator’s potential to be seamlessly integrated with our existing gas turbine engines to create the most power-dense turbogenerators in the industry, including the ability to run on sustainable aviation fuels, is also exciting and will usher in an era of cleaner and less expensive air travel.”

These turbogenerator solutions can provide electricity to operate high-power electric motors, charge batteries, or in required cases mechanically drive a propeller to satisfy missions from heavy-lift cargo drones to air taxis and commuter aircraft.

The team is currently increasing the capability of the setup to support testing continuous operation at higher power levels.

Cristian Anghel, technology fellow, Electric Power, Honeywell Aerospace, will present the findings from the latest rounds of testing at the Electric & Hybrid Aerospace Technology Symposium 2022 in Frankfurt, Germany, May 31-June 1, with ongoing development and qualification to follow for both Honeywell megawatt generator and turbogenerator systems. 

Source: Honeywell Aerospace
Date: Jun 1, 2022
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