Automotive Engineering - February 2022 - 18

The bi-directional
bonus for
COVER STORY
EVs
Matt Londre,
president of Willow
Glen Electric and
regional leader of
Northern California
for Qmerit.
Smart Inverter System is " a really powerful, very differently configured
inverter, " according to CEO Russell Pullan. With investor funding
that includes a multimillion-dollar, multiyear award from the Bill
Gates' Breakthrough Energy, as well as funding from Natural
Resources Canada. The Smart Inverter System uses the capabilities
of the EV's traction motor and other hardware to, among other
things, eliminate the need for an onboard charger, which Pullan calls
a serious EV system energy " bottleneck. "
Pullan also said his is the only system the company is aware of that
can take DC power directly into the inverter. " Fleets who have their own
solar power on site can now make their fleets completely green. " He
said the technology currently is going into trials in Canada and is slated
for production with a Chinese commercial-vehicle partner in 2023. He
said the technology is open to potential advances from SiC and GaN
semiconductors, depending on a customer's cost requirements.
And at CES 2022, ZF announced a new scalable and modular eand
semiconductors, which promise substantial nearterm
performance and efficiency upgrades - and perhaps
cost reductions on a systems basis.
One startup, eLeapPower, which spoke with SAE
Media about bi-directional charging, said its pending
motor inverter architecture that can be used in powertrain systems
ranging from 400V to 800V. Critically, the inverter features a design
that isn't dependent on predefined semiconductors, the company
said. The next-generation inverter, called the Modular eDrive
Kit, " [optimizes] the link between the power semiconductor boundary
conditions and control software in order to gain the full potential
from the semiconductor configuration, " ZF said, particularly
when employing SiC chips.
ON-BOARD
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STANDARD
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ANDARD
DIAGNOSTICS
DIGITAL SUMMIT
EUROPE
March 15-17, 2022
Online & On-Demand
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Automotive Engineering - February 2022

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