Volvo develops three range extender electric vehicle technical concepts based on C30 and V60

Volvo develops three range extender electric vehicle technical concepts based on C30 and V60

Volvo has been dabbling with electric cars for quite some time now, but now they’re further developing the idea with the addition of combustion engines to serve as range extenders for their electric vehicles, increasing the amount of distance that an electric vehicle can cover.

Volvo develops three range extender electric vehicle technical concepts based on C30 and V60

Like hybrid cars, range extender electric vehicles have both an engine and an electric motor. Unlike hybrid cars, in range extender electric vehicles the combustion engine does not drive the wheels directly, instead it starts up only to generate electricity to recharge the vehicle’s battery. This is known as a series connected setup.

Examples of range extender electric vehicles that you may have heard of are the Chevrolet Volt, and in concept form, our very own Proton EMAS Concept.

Volvo develops three range extender electric vehicle technical concepts based on C30 and V60
Click for enlarged image

Volvo has produced a number of range extender concepts. They not only use a series setup but a parallel setup as well. The first one called Technical Concept I is based on a Volvo C30. It has a 3 cylinder engine producing 60 horsepower (45kW) installed under the rear boot. This engine is fueled by a 40 litre fuel tank. This 45kW engine is hooked up to a 40kW generator, which can either power the car’s 82kW electric motor, or recharge the car’s battery. According to Volvo, this allows the C30’s electric range to be boosted from the original 110km up to over 1,000km.

Volvo develops three range extender electric vehicle technical concepts based on C30 and V60
Click for enlarged image

Technical Concept II is also based on a Volvo C30. This isn’t a regular range extender vehicle as there is a combustion engine installed in the rear that directly drives the rear wheels, thus it is a parallel setup instead of a series setup. And it’s quite a powerful engine as well – a three cylinder that makes 190 horsepower thanks to a turbocharger, driving the rear wheels via a 6-speed automatic transmission. This engine can also be used to charge a battery via a 40kW generator, which powers a 82kW electric motor. The two combined power sources puts out over 300hp, taking the C30 Technical Concept II up to 100km/h in under 6 seconds.

Volvo develops three range extender electric vehicle technical concepts based on C30 and V60
Click for enlarged image

The Technical Concept III is based on a Volvo V60. It’s similar to Technical Concept II where both the electric motor and engine drive the wheels, but in this setup the entire drivetrain is installed under the bonnet in the front. Up to 50km/h, the car runs on its 111hp (80kW) electric motor, but after that the 190hp kicks in. The engine is also hooked up to a 40kW generator so it can be used to charge the battery as well. The car can run 50km on the battery alone, but its 45 litre tank of petrol extends it up to over 1,000km.

“This is an exciting expansion of our increasing focus on electrification. Battery cost and size mean that all-electric cars still have a relatively limited operating range. With the Range Extender, the electric car has its effective range increased by a thousand kilometres – yet with carbon dioxide emissions below or way below 50 g/km,” says Derek Crabb, Vice President Powertrain Engineering at the Volvo Car Corporation.

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Paul Tan

After dabbling for years in the IT industry, Paul Tan initially began this site as a general blog covering various topics of personal interest. With an increasing number of readers paying rapt attention to the motoring stories, one thing led to another and the rest, as they say, is history.

 

Comments

  • Carl Wong on Jul 13, 2011 at 2:38 am

    So REEVs as compared to normal mild hybrids and full hybrids, which is better or more efficient? And the most important factor, cost, which is lower? And running/maintenance cost?

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    • Buy a diesel, a german diesel.

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      • Carl Wong on Jul 13, 2011 at 11:13 am

        Something like VW Jetta TDI :]? Do they even sell it over here??
        The Ford Focus Econetic is very efficient too but it’s not even available here yet…

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  • Electric engine should have been in the rear!! RWD RWD pleaseeee

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  • vw_fan on Jul 13, 2011 at 9:24 am

    Hybrids are the way to go in the future, regardless of whether it is petrol or diesel. I hope we can get some good hybrid models here which are affordable and are fun to drive as well. Tried the lexus cth and found that it was totally not my thing. It was way too mundane and underpowered for me.

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  • Brandon Louis on Jul 13, 2011 at 9:27 am

    Wah China company want to do all this high tech stuff kah? I thought Volvo Alado Co only know how to make great Bah Kut Teh and good Char Siew rice.

    Like or Dislike: Thumb up 0 Thumb down 0
  • Every manufacturer can come out with even 10 technical concept. What we want to see it the actual machine on the road.
    All these EV etc releases are mere PR gimmicks.

    .

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