Magnetics Business & Technology - November/December 2021 - 16

FEATURE ARTICLE
BAE Racking Up Contracts for Electric Power & Propulsion Systems
" BAE Systems' next-generation technology represents a significant
investment in our electric power and propulsion applications
for the marine market, " said Steve Trichka, vice president
and general manager of Power & Propulsion Solutions. Over
25 years, BAE has developed and integrated more than 14,000
power and propulsion systems in transit and marine markets
around the globe. The company develops and services its technology
at its facilities in Endicott and Rochester, UK.
The system will include an electric motor, two variable-speed
generators, a lithium-ion energy storage system, and vessel
auxiliary power with shore power charging. It leverages fewer,
lighter and more compact components with increased electrical
efficiency and high power density, says BAE. The modular and
scalable design results in a flexible system tailored to a vessel's
specific power and propulsion requirements.
Southern Wind's superyacht Nyumba to be powered by BAE hybrid
electric system
BAE Systems is racking up contracts to supply full-electric and
hybrid-electric power and propulsion systems for marine and
transit fleets. Among them are five high-profile projects including
a luxury sailing superyacht, a fleet of buses in Vancouver, a new
research vessel for the University of Vermont and, announced on
September 16, two maritime feasibility studies in London, one of
them involving Uber Boat on the Thames River.
In July, the company announced that it has been selected by
luxury sailing yacht builder Southern Wind to provide the electrichybrid
power and propulsion system for a new high-performance
superyacht. BAE will supply and integrate its next-generation
system on the SW96 Nyumba, the first marine vessel to employ
the company's newest propulsion technology. Work on the program
will be conducted at BAE's facility in Endicott, New York.
The company's HybriGen Power & Propulsion system will reduce
emissions and fuel consumption for a quiet, clean, and efficient
experience on the superyacht, which is designed for both longrange
cruising and regatta racing. This same technology is designed
to also be applicable for Southern Wind's newly launched
project, the SW108 hybrid-power yacht.
BAE will also integrate a HydroGeneration mode on the SW96
Nyumba, meaning the propeller and motor will act as a generator
when the vessel is sailing. HydroGeneration mode will provide
vessel auxiliary power and also recharge the energy storage for
a longer zero-emissions experience.
Earlier this year, BAE Systems embarked on a project to deliver
all-electric propulsion systems for public buses in Vancouver,
Canada. Fifteen buses will become the first in North America
to be fitted with the company's next-generation Series-EV zero
emission technology.
Series-EV eliminates the need for traditional combustion engines
through the use of electric motors, controls and batteries,
creating a clean and efficient mode of transportation. The latest
version of BAE Systems' technology uses fewer, lighter, and
more compact components. Its light weight, reduced number
of connections, and use of advanced materials make it easy to
install and extremely efficient, enabling the buses to travel longer
distances on a single charge.
Propulsion options in the company's offerings
include both AC and direct-drive
traction motors such as the DDTM-100
which is a quiet, compact, lightweight
motor designed for 12m buses in Europe,
paratransit buses, and 30 to 35-ft
buses in North America. When used with
an integrated starter generator (ISG), the
system provides propulsion and power for
the entire vehicle.
Direct drive traction
motor DDTM-100
The DDTM provides the sole source of propulsion and is sized
accordingly for high power and low-end starting torque. The
ISG is coupled directly to the engine crankshaft, resulting in a
compact, bearingless design. The generator is sized to convert
16 Magnetics Business & Technology * November/December 2021
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