Truck & Off-Highway Engineering - April 2024 - 9

TECHNICAL INNOVATIONS
for both the battery pack and power
electronics, " she added. The EVantage
suite includes an Electronics Cooling
Package (ECP) to cool down the power
electronics on the vehicle.
The master smart control system of the L-CON BTMS uses the battery pack or coolant temperature,
automatically selecting the mode of operation to meet the batteries' heating and cooling needs.
The coolant temperature sensor adjusts the coolant flow.
the liquid-cooled condenser allows the
BTMS to be positioned anywhere on the
chassis. Coupled with a master thermalcontrol
unit running proprietary firmware,
the L-CON BTMS can optimize the temperature
range for an entire bank of batteries
with a single unit, according to Gina
Maria Bonini, VP and general manager of
Modine's Advanced Thermal Systems.
" In commercial EVs, two main areas
require careful consideration for thermal
management - the battery pack
and the power electronics [i.e., the inverter,
converter and traction motor], "
Bonini said in a post on the Tennessee
Advanced Energy Business Council
(TAEBC) website. " The battery pack
needs to be maintained in a narrow
temperature window - typically 77° to
95°C - during charging and vehicle
operation to optimize the performance
of the battery, extending vehicle range,
reducing time to charge and minimizing
long-term degradation of the battery. "
" Typically, as vehicle class increases,
the vehicle will have a larger battery
pack and require more torque, which
increases the cooling capacity required
Integration projects
Modine was selected to integrate its
EVantage L-CON BTMS in Komatsu's
new 20-ton electric excavators that
feature a 123-kW electric powertrain
and a 451-kWh lithium-ion battery pack
supplied by California-based Proterra.
Komatsu introduced the PC200LCE-11
and 210LCE-11 as rental machines in the
Japanese and European markets beginning
in late 2023. The manufacturer
plans to expand the electric models in
Asia, North America and Australia.
In January 2024, Bosch Rexroth and
Modine announced a partnership to integrate
EVantage thermal-management
systems with Bosch Rexroth's eLion products
for electrified off-highway machinery
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Truck & Off-Highway Engineering - April 2024

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