Truck & Off-Highway Engineering - February 2021 - 11

TECHNICAL INNOVATIONS

has further developed an ionic exchanger already in field use in multiple
applications, Warth said.

MAHLE

Cool packaging

Highly efficient cooling is essential for
HFCs, creating packaging challenges as
systems' complexity increases. Larger
coolant coolers are a result of the need
for separate circuits for the cell stack,
the battery/electronics and the electric
motor, as well as the overall increase in
waste heat and the reduced temperature levels in comparison with the combustion engine.
" A higher volume of coolant is required in order to compensate for the
lower temperature differential between
the coolant and ambient temperatures, "
Warth explained. " Fuel cell stacks require continuous monitoring during
running operation. This prevents damage and also means that crucial input
variables, such as gas or air supply, can

Mahle's new " Competence Center " for mechatronics has
been established at Kornwestheim, near Stuttgart.
be controlled. "
The Mahle Fuel Cell Monitor Module
has two microprocessors that process
the signals from the stack and provide
feedback to the central control unit, he
noted. When required, the voltage in the

fuel cell stack can be discharged directly
via a semiconductor module. To ensure
trouble-free operation, the power distributor and discharge resistor should be
housed on a cooling plate, he advised.
Stuart Birch

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Truck & Off-Highway Engineering - February 2021

Table of Contents for the Digital Edition of Truck & Off-Highway Engineering - February 2021

Truck & Off-Highway Engineering - February 2021 - CVR4
Truck & Off-Highway Engineering - February 2021 - CVR1
Truck & Off-Highway Engineering - February 2021 - CVR2
Truck & Off-Highway Engineering - February 2021 - 1
Truck & Off-Highway Engineering - February 2021 - 2
Truck & Off-Highway Engineering - February 2021 - 3
Truck & Off-Highway Engineering - February 2021 - 4
Truck & Off-Highway Engineering - February 2021 - 5
Truck & Off-Highway Engineering - February 2021 - 6
Truck & Off-Highway Engineering - February 2021 - 7
Truck & Off-Highway Engineering - February 2021 - 8
Truck & Off-Highway Engineering - February 2021 - 9
Truck & Off-Highway Engineering - February 2021 - 10
Truck & Off-Highway Engineering - February 2021 - 11
Truck & Off-Highway Engineering - February 2021 - 12
Truck & Off-Highway Engineering - February 2021 - 13
Truck & Off-Highway Engineering - February 2021 - 14
Truck & Off-Highway Engineering - February 2021 - 15
Truck & Off-Highway Engineering - February 2021 - 16
Truck & Off-Highway Engineering - February 2021 - 17
Truck & Off-Highway Engineering - February 2021 - 18
Truck & Off-Highway Engineering - February 2021 - 19
Truck & Off-Highway Engineering - February 2021 - 20
Truck & Off-Highway Engineering - February 2021 - 21
Truck & Off-Highway Engineering - February 2021 - 22
Truck & Off-Highway Engineering - February 2021 - 23
Truck & Off-Highway Engineering - February 2021 - 24
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Truck & Off-Highway Engineering - February 2021 - 27
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Truck & Off-Highway Engineering - February 2021 - 30
Truck & Off-Highway Engineering - February 2021 - 31
Truck & Off-Highway Engineering - February 2021 - 32
Truck & Off-Highway Engineering - February 2021 - CVR3
Truck & Off-Highway Engineering - February 2021 - CVR4
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https://www.nxtbook.com/smg/sae/24TOHE06
https://www.nxtbook.com/smg/sae/24TOHE04
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https://www.nxtbook.com/smg/sae/23TOHE12
https://www.nxtbook.com/smg/sae/23TOHE10
https://www.nxtbook.com/smg/sae/23TOHE08
https://www.nxtbook.com/smg/sae/23TOHE06
https://www.nxtbook.com/smg/sae/23TOHE04
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https://www.nxtbook.com/smg/sae/22TOHE12
https://www.nxtbook.com/smg/sae/22TOHE10
https://www.nxtbook.com/smg/sae/22TOHE08
https://www.nxtbook.com/smg/sae/22TOHE06
https://www.nxtbook.com/smg/sae/22TOHE04
https://www.nxtbook.com/smg/sae/22TOHE02
https://www.nxtbook.com/smg/sae/21TOHE12
https://www.nxtbook.com/smg/sae/21TOHE10
https://www.nxtbook.com/smg/sae/21TOHE08
https://www.nxtbook.com/smg/sae/21TOHE06
https://www.nxtbook.com/smg/sae/21TOHE04
https://www.nxtbook.com/smg/sae/21TOHE02
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