Magnetics Business & Technology - March/April 2021 - 8

FEATURE ARTICLE
Continued from page 7...
Packaged to fit into the rails of 4x2 trucks, the 17Xe powertrain
will deliver 420 kilowatts of continuous power and 450 kilowatts
of peak power. In Europe, applications include 44-ton heavy-duty
long-haul trucks, medium-duty 27-ton refuse vehicles, 19.5- and
26.5-ton intercity buses and 26.5-ton coaches. It will also fit 40and 60-foot city buses in North America.

ing the best possible motors for various customer and operation
requirements.
" These days, for passenger car applications,
we usually prefer the 3-phase permanent
magnet synchronous motors. However we are
also able to rely on a broad technical portfolio
of other machine topologies. Other differences include the construction of the rotor and
the winding technology in the stator, in other
Matthias Beringer, words, how the electric conductor is wound
to a coil. The so-called " hair pin technology "
group leader for
offers benefits in terms of performance and
e-drives
efficiency in this respect. The name comes
from the shape and special bend in a square
copper wire that looks like a hair pin. Other technologies, such as
shaft winding, also benefit from inserting a rectangular wire in the
stator grooves. "
" ZF is naturally not the only company that knows how to produce
an electric motor. The company's special ability is that it takes
into account, right from the start, all the other factors involved in
motor development, including especially power electronics, cooling systems as well as the transmission, particularly in the case
of hybrid drives. "

ZF figures the pandemic has accelerated electrification
With a well-developed e-powertrain portfolio already, premium
global automotive supplier ZF of Friedrichshafen in southern
Germany continues to build its capabilities in electrication. At
the start of this year it, formed a new division from its former Car
Powertrain Technology and E-Mobility divisions to offer customers electrified driveline solutions from a single source. It supplies
systems for passenger cars, commercial and industrial equpment.

Beringer makes the comments in a blog which is available in full
on ZF's website, ending with his anticipation for the future. " We
are already extremely well set up for our next major project: 800
volt electric motors which are becoming possible thanks to new
power electronics (silicon carbide) and battery technologies. "

In the future, ZF will not invest in transmissions exclusively designed for internal combustion engine vehicles but will focus its
development activities on flexible platform technologies for longrange plug-in hybrids and purely electric vehicles, the company
said.
" The corona pandemic is noticeably accelerating the transformation of the automotive industry - we expect electrification to
come even faster now, " said Wolf-Henning
Scheider, CEO. " We accept this challenge
and are decisively driving the necessary
changes at ZF in order to better participate
in the growing market for electrified car
drives. The newly formed division will be
able to leverage system advantages of
both divisions and offer vehicle manufacturers a comprehensive electrified drive
portfolio as well as worldwide development
and production capacities under one roof. "

BorgWarner's integrated drive module for the Mustang Mach e-SUV

Wolf-Henning
Scheider, CEO
of ZF

Matthias Beringer, a group leader in ZF's electric traction drives
business, heads a team helping to develop electric drives, especially at the start phase. He makes some pertinent observations
about their strategies to consider many options toward develop-

Magnetics Business & Technology * March/April 2021

BorgWarner, long a system supplier for the truck market, is
tackling the e-powertrain opportunity on several fronts within a
company-wide focus on electrification packages for its traditional
commercial vehicle OEMs as well as pushing into the automobile
market. In 2020, it cemented a deal with Ford to build a powerpacked integrated drive module (IDM) for the new all-electric
Mustang Mach-E sport utility vehicle. Showcasing BorgWarner's
integration expertise, the iDM comes complete with a BorgWarner thermal-management system and gearbox integrated with a
motor and power electronics from other suppliers.
" Our knowledge of system integration, paired with our gearing
proficiency, allows us to design iDMs that are easy to assemble
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