A range extender is a generator set that consists of an internal combustion engine coupled with a generator that operates when it is required. Apr 19, 2016 the avl rem fig 6 in the pdf of the first post of this thread comprises a wankel rotary engine and an electric generator driven directly by the wankel rotary engine power shaft similarly for the fev rem with the wankel rotary engine, that shown in fig 1 of the same pdf file. Range extender technology for electric vehicles ieee xplore. Lownoise range extender dispels battery runtime angst together with fev gmbh, rheinmetall automotive is currently and successfully testing a range extender developed for electric vehicles. Incylinder flow field analysis in a twostroke engine under motoring conditions was performed by particle image velocimetry. Electric vehicle range extender market industry report.
Press release allied market research ev range extender market electric vehicle that travels extra distance. Analysis of range extender electric vehicle performance using. The invention relates to a method and a device for operating a range extender re for electric vehicles, which comprises an internal combustion engine ice having a mechanically coupled generator ge, wherein the mechanical energy produced by the internal combustion engine ice is converted into electric current by the generator ge and fed to an electrical storage unit bat. Pdf a comparison study of rangeextended engines for electric. One of the biggest environmental problems in the the.
Already 2009 avl proposed an integrated solution based on the combination of a rotary combustion engine and an emotor on the same axle and within a. To handle the increasing complexity in combustion engine development and avoid costly recalls, oems need advanced tools and smart testing methods that consider the manufacturing and assembling process. The test vehicle, based on the fiat 500, has already undergone comprehensive tests at rheinmetall automotive. Even at slower speeds the engine noise has been described as barely discernible.
The term, which is primarily used in reference to battery electric vehicles bevs, is considered to be one of the major barriers to large scale adoption of allelectric cars. Fuel consumption and co2 emission investigation of range. The avl concept is optimized for electric power generation in singlepoint operation and allows a compactly integrated, costefficient and weightefficient module design. Avl introduces its own wankel rotary ev rangeextender. Why range extenders need lower power over the years 11 1. The huttlin spherical engine would look kind of goofy rollin around under the hood on its own, but no worries. What will be required of a range extender 20122022 7 1. Energy harvesting mostly ally not alternative 14 1. Starting from a cleansheet, the mahle range extender has been designed to be light 65 kg including generator and compact.
Pdf application of the internal combustion engine as a. A comparison study of rangeextended engines for electric vehicle based on vehicle simulator. Coming boom in evs industry avl, ballard power systems, bmw, ceres power, delta. Once the vehicle is travelling above 40 kmh, the range extender engine starting is imperceptible to the vehicles occupants, as road and wind noise become predominant. Application of the internal combustion engine as a rangeextender for electric vehicles. Optimore optimised modular range extender for every day customer usage wankel rotary engine as range extender advanced technology. Development and validation of a 5 stroke engine for range. This results are confirmed by a recent study in which a 30 kw gas turbine has been chosen as a range extender. A3ps conference 2010 vienna avl battery system development 19. Mahle powertrain range extender engine development using gtsuite andre bisordi. Combining heating and rangeextension for electric vehicles 16 1. A range extender is basically what distinguishes a hybrid vehicle from a pure electric vehicle.
Piston analysis of a small 2stroke engine with avl excite. Investigate mahle turbulent jet ignition benefits on a rangeextender application expand ornl peemrc testing of remys induction machine to include generator mode and transients test mahle engine and remys machine as a range extender using hardwareintheloop test cell optimize range extender as a system. A vehicle simulator was deployed to compare the performance of three types of range extended engines i. An effective way to address the so called range anxiety is the adoption of a range extender, that is a small internal combustion engine designed to recharge the traction batteries when their available energy content drops below a specified threshold. Performance and driveline analyses of engine capacity in range. Wo2014044664a3 method for operating a range extender for. Ev range extender market electric vehicle that travels. Design and experimental development of a compact and. Necessary statistics marketing cookie details necessary. Avl unveils extendedrange fuel cell commuter autoblog.
Jul 21, 2010 will ev range extenders give rise to a rotary renaissance. Different range extender concepts have been recently developed. The evare system consists of a rotary engine for power generation, an integrated permanent magnet electric generator, and power electronics for electrical power output. This detailed comparison resulted in a reciprocating, 2 cylinder, inline engine of 900 cc capacity being selected due to its optimum combination of features. For this reason, the use of the internal combustion engine for propulsion of rangeextenders for electric vehicles becomes nowadays more and more popular. The main component of reev is an electric motor, battery, and generator set that consist of generator and engine. At avl, we have the skills, experience and knowhow to meet these challenges head on. Powertrain engineering firm avl choose the austria tec week pdf warning at expo 2010 shanghai to debut its fuel cell commuter fcc, a hightech electric vehicle with a hydrogen fuel cell range. The duke engine lends itself well to marine, aircraft and generatorutility, automotive and hybrid electric vehicle range extender applications. The scavenging is of the loop type, without poppet valves, and with a 4strokelike lubrication system 25. Engine selection commercialization objectives require the use of an engine for which production feasibility is proven. Our task was to design electric part of the module. Traction drive is purely electric, while internal combustion engine is.
Avl pure range extender vehicle integration range extender integrated in vehicle back battery system in front of rear axle and in middle tunnel 75kw traction motor in vehicle front. The duke output shaft, being intrinsically geared down to 56 of the piston reciprocating speed, allows the engine out torque to be higher and maximum torque to be developed at lower speeds. Pdf application of the internal combustion engine as a range. Mahle powertrain mahle compact range extender engine. The different solutions cover rexs with rotary engine, 2 and single cylinder engines. The paper discusses the concept, specification and performance of a new, dedicated range extender engine for plugin series hybrid vehicles conceived and designed by lotus engineering. Traction drive is purely electric, while internal combustion engine is connected to electrical generator in order to charge the battery and thus extend the operation range of the vehicle. The global electric vehicle ev range extender market demand was pegged at 247,285 units in 2017 and is likely to exhibit a cagr of 10.
The range extender will be off as long as there is sufficient energy in the battery and will be activated whenever the soc drops to 45%. Application of the internal combustion engine as a range extender for electric vehicles. Among different hybrid vehicles topologies, series hybrid is a viable option. Range extender engine is one of the main components of the range extended electric vehicle reev and together with a generator to extend the mileage of the electric vehicle. Fuel consumption and co2 emission investigation of range extender with diesel and gasoline engine range extender engine is one of the main components of the range extended electric vehicle reev and together with a generator to extend the mileage of the electric vehicle. Range anxiety is the fear that a vehicle has insufficient range to reach its destination and would thus strand the vehicles occupants. Iodp stands for an integrated and open development platform, that gives you immediate access to the entire knowledge and skillset from simulation and testing departments within your organization. Its the additional power source that allows a hybrid to. The ideal range extender engine technology, vehicle, marine. The potential of the 2stroke concept was applied to range extender engines. These cookies are essential for the operation of the site.
Add in the ability to optimize the engine to operate within a narrow speed range as a range extender and this could be a winning. Design of a dedicated range extender engine request pdf. To allow cost, weight and package flexibility to be optimised, the electric generator is fully integrated within the assembly. Performance and driveline analyses of engine capacity in. To further improve our offer and our website, we collect anonymous data for statistics and analysis. The highest peak engine power brake reached up to 38 kw at 4500 rpm. In avl boost simulation software, range extender engine simulated from to 6000 rpm engine loads. In the last years avl has developed several solutions for electrification of the powertrain as well as range extenders for battery electric vehicles. An electric vehicle ev range extender includes a variety of components such as generators, battery packs, power converters, and electric motors that enable range extension for electric vehicles. Phev advanced series genset developmentdemonstration activity. The highest peak engine power brake reached up to 38. Avl introduces its own wankel rotary ev rangeextender autoblog. Pdf 2stroke externally scavenged engines for range.
In this paper rangeextenders from the following companies are described. Engine model is constructed on avl cruise and the engine specification is equired. Avl proprietary gary hunter 14 july, 2010 umtri 22 range extender configurations piston engine packaging 472,5 394 346 2cyl. Range extender module rem for electric vehicles etc the. Avl rotary engine range extender for electricdrive vehicles, july 2010.
Avl list gmbh is one of the worlds leading innovators of powertrain systems for the automotive industry, and the company has developed a prototype wankel rotary engine for use as a range extender in the audi a1 etron electric car, which was first introduced as a concept car at the 2010 geneva auto salon. Jul 20, 2009 for a demonstrator of the range extender system, avl coupled a 250cc rotary engine running at 5,000 rpm with a permanent magnet synchronous machine. The range extender is the same 647 cc twocylinder gasoline engine used in the bmw c650 gt scooter with a 9 l 2. Jiang chongqing jinkang new energy automobile designing institute co. Modelling and simulation of a rotary engine range extender a. Bailey, university of bath hcf analysis of a motorcycle engines hot parts based on thermo. Having successfully developed its own compact range extender engine inhouse, a fully functional demonstrator vehicle has now been built to provide convincing proof of this approach. Avl introduces its own wankel rotary ev range extender. For this reason, only production engines were considered as range extender powerplants. Development and assessment of an overexpanded engine.
Avl excite offers multibody dynamics simulation and a sophisticated set of models and methods related to the various applications during. Dimension of the range extender box are 490mm x 400mm x 980, and the unit weights 65 kg. The range extender as an auxiliary power supply for extended driving ranges is of significant importance in achieving a high level of customer acceptance for electric vehicles. A range extender re is a device used in electric vehicles evs to generate electricity onboard, enabling them to significantly reduce the number of required batteries andor extend the vehicle driving range to allow occasional long trips. How the huttlin spherical engine works howstuffworks. Pdf optimore optimised modular range extender for every. Will ev range extenders give rise to a rotary renaissance. Range extender technology for electric vehicles ieee conference. Analysis of range extender electric vehicle performance.
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