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Power Inverters

New Power Inverters Enhance Electric Vehicle Charging

Karma Automotive, near completion of their two new silicon carbide (SiC) power inverters as they enter the final stage of development.

Karma Automotive, near completion of their two new silicon carbide (SiC) inverters as they enter the final stage of development. The new Karma traction inverter uses Silicon Carbide Semiconductors (SiC) to deliver high efficiency and performance enhancement for Karma and partnered electric vehicles. The power inverters are compatible with Automotive, Aircraft, Train, Agriculture and Industrial Applications.

The new SiC traction inverters are engineered in-house by Karma’s Powertrain Power Electronics team, in collaboration with the Power Electronic System Laboratory at University of Arkansas (PESLA). Engineered to deliver enhanced efficiency and performance, the SiC traction inverters will be used in both future Karma vehicles and company partners. This flexible architecture design in a 400V system can be customised to fit various vehicle platforms and is also available in 800V power levels to leverage higher voltage for fast charging.

Karma Power Inverters

At a time when many competitors are still developing their SiC inverters, Karma’s ready-for-market SiC traction inverters place the company at the forefront of this advanced technology. Prior to this, Karma also developed its own insulated gate bipolar transistor (IGBT) based traction inverter that currently supports its 2020 Revero GT and GTS luxury electric vehicles.

The development of Karma’s new SiC power inverters come at an important time for the company, who earlier this week announced their E-Flex Platform initiative, a series of highly versatile platforms that will offer new electric vehicle mobility solutions ranging from autonomously-driven utility vans, to ‘every-day’ driver vehicles, to high-performance supercars. The platform will allow manufacturers a fast-track into the electric vehicle market with greater speed and efficiency.

“Electrification represents a pivotal shift in the mobility industry, which is why Karma is focusing company efforts on our technology capabilities and solutions for our partners”, said Karma Automotive CEO, Dr. Lance Zhou. “Our SiC inverters, coupled with our upcoming Karma E-Flex Platforms, are a testament to the revolutionary performance and efficiency we are proud to bring to the electric mobility industry.”

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