PRODUCTS & SERVICES
Lean manufacturing of battery pack testers
The growing electric vehicle
industry is pushing automotive
companies to invest in more
advanced battery pack testers.
To keep up with growing energy
demands, companies now require
battery pack testers that can handle
up to 900V/1,000A/650kW.
Bitrode’s FTF Energy Storage
Test System is an ideal solution. The
FTF’s IGBT design equips it for high
performance and effi ciency, with
100% duty cycle at max power. No
performance is lost under voltage
control and quick disconnects on
output leads save time.
The rising demand for more
FTF products is changing how
Bitrode approaches production.
The company has transformed the
traditional FTF to its new Lean line
concept. This new Lean concept is a
company-wide initiative to improve
Bitrode’s products and services by
reducing waste and variation.
“As we started to build FTFs
in the new cell, we continued to
identify waste in the process,”
explains Ryan Blood, Bitrode’s plant
manager. “So we broke down the
overall build into small manageable
chunks of work and decreased the
tech assembly time by one third.
The defi nition of Lean manufacturing
that I live by is simply the maniacal
pursuit of eliminating waste.”
212 // July 2019 // www.electrichybridvehicletechnology.com
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Valve technology for thermal control
Electric-vehicle design teams
are under pressure to develop
a product that gets more mileage
per charge without sacrifi cing style
or performance. Advanced thermal
management and component
effi ciency are two great starting
points for meeting these goals.
Discrete Proportional Valve (DPV)
technology overcomes challenges
in both of these areas through the
intelligent use of traditional binary
(on/off) control valves in a single
manifold. The fl ow rates are in
a stepped format through selected
actuation of the different binary
valves. This type of system is
not only lightweight and energy
effi cient, but also provides better
leak performance and is often
less expensive than alternative
technologies.
Additionally, DPV technology
offers the fl exibility to support
different electric vehicle
applications. Some heat sources
could require as much as 8-10
liters of coolant at different fl ow
rates. A simple DPV solution is
to use two binary valves in one
manifold to allow for four fl ow
positions, one being off (no fl ow).
With three binary valves, the
system would allow for eight
stepped fl ow-rate positions. This
technology can be controlled
through an electrical connection
or can be embedded with analog
or digital input. DPV technology’s
performance and fl exibility make
it a great option for many electric
vehicle applications.
Bitrode’s dedication to minimizing
waste and maximizing effi ciency
across their product range has led
automotive companies coming
to rely on Bitrode equipment –
better designed for a competitive
marketplace.
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