Electric Turbochargers Eliminate Lag, Improve Fuel Economy

Electric Turbochargers Eliminate Lag, Improve Fuel Economy

Electric turbochargers are on their way, but how exactly do they work?

Audi is currently testing the technology for production models and French supplier Valeo is spilling more details on how electric turbochargers work. According to the company, an electric turbocharger eliminates turbo lag and is powered by an electric motor rather than exhaust. Even when it’s not needed, the turbo’s impeller that pumps air  into the cylinders, will still spin at 10,000 rpm resulting in minimal hesitation or lag in engine response when the gas pedal is pushed.

SEE ALSO: Audi SQ7 to Use Electric Turbo Technology

Naturally there are downsides to the technology, mainly cost and power consumption. Currently, an electric turbo requires 48-volt power, using plenty of electricity and requiring automakers to add more electronics in the engine bay. In addition, the company mentioned that electric turbochargers can help reduce fuel consumption by seven to 20 percent.

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[Source: Automotive News]

Discuss this story at our Audi forum

  • Rickers

    Sounds like an e-bay scam.

  • Transpower

    So then it’s more like a supercharger….

  • Maximania

    Read about the phantom electric supercharger for the FR-S/BRZ

  • Maximania

    Well it’s not belt-driven and parasitic in the traditional sense of a supercharger. But then again, turbochargers are a specific type of supercharger that use exhaust gasses instead

  • smartacus

    Hey how about an electrically driven twin-screw supercharger?
    Instant power and more CFM.
    The high torque drive requirements and parasitic loss disadvantage compared to centrifugal is electrically negated.

  • technophail

    ” my turbo-motor needs replacing again…”
    “ooh so sorry, you just went out of your warranty. that will be $1500”

  • Raymond Ramírez

    I have an electric supercharger on my Buick Regal that works on 12 VDC.