Magnetics Business & Technology - November/December 2021 - 13

FEATURE ARTICLE
a new dimension to electric aviation, " said Herve Blanc, executive vice
president & general manager of the Electrical Systems and Motors Division
at Safran Electrical & Power. A permanent magnets generator rotates
at high speed of about 40 000 rpm, integrating power electronics
rectifier & innovative technologies. It has a high output voltage equal
or superior to 540VDC and a power-to-weight ratio superior to 8 KW/
Kg for the whole pack.
The motors are in a new range of electric generators and motors called
GENeUS and ENGINeUS which the company has recently launched.
They mark a major step forward in high-power DC generation solutions,
the company says. The ENGINeUS product line includes a range
of electric motors with power outputs of up to 500 kW. Its technology
optimizes the electrical architecture by consolidating several key
conversion, control and battery interface functions, with the mechanical
and structural characteristics of the motors tailored to their use on
aircraft.
The EcoPulse hybrid aircraft demonstrator (pictured on page 12)
passed its preliminary design review as a first key step toward validating
the project's feasibility and firming up the architecture for a first
flight scheduled in 2022. The plane is being developed by aircraft manufacturer
Daher, Safran and Airbus with the support of France's CORAC
civil aviation research council.
" With this demonstrator, Daher intends to develop
the key architectural principles for future
hybrid aircraft, " said Pascal Laguerre, Daher's chief
technology officer. " The project reaffirms our
commitment, as a general aviation manufacturer
with our Kodiak & TBM product lines, to more
efficient and eco-responsible aviation. This is reflected
by our company's active participation in
numerous ambitious collaborative research projects
aimed at decarbonizing air traffic. " Laguerre
was appointed to the position in June, succeeding
longtime CTO Nicolas Orance, who became managing director of aerospace
and defense company Rafaut Group.
Pascal Laguerre,
CTO of Daher
Safran, which is responsible for EcoPulse's distributed hybrid-electric
propulsion system, has finalized the technical configuration of its six
electric thrusters. They will be fitted with 50 kW ENGINeUS electric motors
with integrated electronics. The Safran motor will be submitted for
EASA certification, the same type as granted for a turboshaft engine.
The next step for Safran will be its delivery of an initial electric thruster
to Airbus for wind tunnel and endurance testing, in preparation for
qualification of the thrusters' use on EcoPulse's first flight.
" EcoPulse is an ambitious project, and designing hybrid propulsion on
this new aircraft architecture is a key skill that Safran is proud to master, "
said Stephane Cueille, senior executive vice president and chief
technology officer for research & technology and innovation at Safran.
" Mobility needs are changing, and the Group is responding to them by
offering advanced and sustainable technologies that have taken shape
with this important milestone reached today, " he added.
" The EcoPulse demonstrator program is an important step in our ambition
to decarbonize the aeronautical industry, " said Jean-Brice Dumont,
executive vice president engineering for Airbus. " It will allow us
to study how distributed hybrid propulsion could be integrated into
the aircraft of tomorrow and significantly reduce their environmental
impact. "
Across the Atlantic, Safran and Bye Aerospace, developer of the eFlyer
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November/December 2021 * Magnetics Business & Technology 13
family of all-electric aircraft, signed a cooperation agreement signed
to equip the eFlyer 2 & eFlyer 4 aircraft with ENGINeUS motors. Bye
Aerospace is FAA-certifying the two-seat, all-electric eFlyer 2 for professional
flight training and the four-seat eFlyer 4 for air-taxi and advanced
training uses.
George Bye, CEO of
Bye Aerospace
" Bye Aerospace has concluded that Safran's ENGINeUS
100 smart electric motor is the optimal
production solution to meet the requirements
of our rigorous FAA and EASA certification
schedules for eFlyer 2 and eFlyer 4, " said George
Bye, CEO of the Denver-based company. " Our
list of future eFlyer purchase agreements, currently
at 711 units, continues to grow, and we
must continue forward at a high-tempo pace
to meet the demands of aviation enthusiasts
worldwide who have been waiting years for all-electric airplanes to
come to market. "
" Safran is extremely proud to collaborate with Bye Aerospace, which
has developed a strong vision for the future of electrical flights, from
the eFlyer 2 and eFlyer 4 to the commuters and regional airplanes " ,
added Blanc of Safran. " This new contract demonstrates the success
of our ENGINeUS product line and confirms the strong interest of the
market in our approach to further increase the electric powertrain performance
while simultaneously progressing the certification and production
system readiness " .
For more info, see www.voltaero.aero, www.safran-group.com, www.
daher.com, www.byeaerospace.com.
https://www.voltaero.aero https://www.safran-group.com https://www.byeaerospace.com http://www.daher.com https://www.byeaerospace.com http://sales_magnetics@elytone.com.tw http://www.elytone.com.tw https://www.MagneticsMag.com
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