“OEM and international standards in particular have been adapted to cover location-specific environmental and structural load requirements, which differ greatly for in-wheel motors compared with centrally mounted e-axles, as they are usually derived from structural and electrical components that reside in the wheel in ICE-powered cars. For instance, Elaphe provides L1500 in-wheel motor that has a peak power of 110 KW, with a speed of 1,250 rpm and can be cooled by using the liquid cooling method. Our innovative in-wheel motor technology generates power directly in a vehicle’s wheels. As well as being useful for testing tyres and rims, they are also designed for studying bearings in a fast, repeatable and controlled manner, which is ideal for the L1500. It is a … Icona Nucleus will have an electric AWD drivetrain which is a 4 Elaphe L1500 in-wheel 110 kW motor in wheel producing 600 hp. After ascertaining the stiffness of the bearing, deformation analysis of the air gap follows. “Of course, further passive cooling is key, so our windings are potted to help manage the thermal fl ows that still arise. >110 kW peak, 77 kW rated. To accurately predict and assess the motor components’ structural integrity requirements in the face of especially harsh road-induced loads, Elaphe used an SUV to simulate severe braking and cornering scenarios. Automotive manufacturer Hyundai has a new incentive to lure buyers to its offerings with the 2016 Hyundai Elantra and the new Value Edition. We have focuses on fuel cells, measuring equipment and ECUs. The L1500 has been designed to enable it to be used in a wide range of OEM EVs and HEVs. Also, NVH (noise, vibration and harshness) simulations provide insight into a critical part of inertial load testing. Elaphe L1500 high-performance direct-drive in-wheel electric motor with standard disc brake and bearing (1500 Nm peak torque). It’s what we call our ‘multiphysics’ approach,” says Lampic. See the Epson Pro L1500 series lenses here! This motor is the perfect choice for new development or electrification of high-performance cars, SUVs, pick-up trucks, powerful sedans and new mobility vehicles (semi-autonomous people movers or goods transportation). Also, ground-induced or roadinduced loads consisting mainly of vibrations and bending moments can act on the e-motor via the tyre. “What we did – in our capacities as physicists – was to analyse the electromagnetic, thermal, mechanical and control aspects of the motor simultaneously, from the outset of the L1500’s development. Moreover, in November 2018, Savic Motorcycles announced a new electric motorcycle model Cafe Racer and will launch it by 2020. 370 VDC nominal voltage. )Clean Energy’s Zero Now program makes the cost of leasing or purchasing a new natural gas heavy-duty truck equal to the price or even lower than that of the same truck equipped with a diesel … These must instead be transmitted through the rim and bearing and into the knuckle (before continuing on to the vehicle chassis). Elaphe's high torque motors are based on a new electromagnetic topology, which enables all of the desired properties of an in-wheel electric motor. Second, the cooling system is positioned in such a way that it also intrinsically shields the electromagnetic part from heat transfer from the brakes.”. The Elaphe™ M700 motor is an extremely compact high-torque in-wheel motor, designed to fit inside a standard 15- or 16-inch rim. However, most of its systems are designed to operate with the inverter on the vehicle chassis rather than inside the wheel housing. An L1500 in a Wheel Accelerated Life Test machine, for testing a customer’s preferred bearing for stiffness over its service life. Given the importance of torque density to an in-wheel motor, Elaphe has built the L1500 with an outrunner configuration, with the rotor directly driving the wheel as it rotates. Elaphe’s approach to such testing is based on the ISO 16750-3:2007 standard for environmental conditions and testing for mechanical loads on electrical and electronic equipment. To help the electric BMW X6 perform the tank turns, Elaphe Propulsion mounted four Elaphe L1500 gearless electric motors to each wheel. The selection of an adhesive for bonding the permanent magnets in their slots is tested and validated in a similar way to the structure of the rotor and stator. At a nominal voltage input of 370 V, its maximum power output is 113.6 kW (at a speed of 1480 rpm), as well as a maximum tested torque of 1500 Nm. That would probably have reduced the rate of adoption, owing to the higher initial price point. STUTTGART, Germany, May 7, 2019 /PRNewswire-PRWeb/ -- Today at the Electric and Hybrid Vehicle Technology Expo, Elaphe Propulsion Technologies announced they will begin low-volume series manufacturing of the world's highest performance direct drive, gearless in-wheel powertrain system, called the L1500. As a result, each customer’s motor can be customised to a degree to modify the rotor and stator interfaces to accommodate their preferences in peripheral components such as the brakes, bearings and other internal parts. “For instance, even in a 200 kW test system it is unlikely that a 60 kW in-wheel motor could be tested at its rated or peak torque, because of how a supplier’s test benches are built and their corresponding torque-sensing limitations. The L1500 has 83 components, nearly 60% of which are standard supplier parts and the rest mostly casting or customised supplier solutions. The electric vehicle revolution has grown out of conventional vehicle design. Elaphe's high torque motors are based on a new electromagnetic topology, which enables all of the desired properties of an in-wheel electric motor. Castings and stampings: MWS and other, undisclosed suppliers, Braking components: APG and other, undisclosed suppliers, High Power Media Ltd, Whitfield House, Cheddar Road, Wedmore, BS28 4EJ UK /. In-wheel motors are subject to far more impacts and stresses over their lifetime than any e-axle motor, as they are constantly in almost direct contact with the road. After examining where the earliest deteriorations appear, the design loop is (where necessary) executed again from the start in order to optimise the chamfers, radii and other small shapes and details of the components before actual fabrication. Supplied with the whole system, including a high-power inverter (motor controller) and vehicle powertrain ECU (Powertrain control unit). Additional simulations of external loads on the L1500, such as those coming from hitting potholes, curbs or other issues related with rough roads, were performed according to SAE standards including SAE J175 and J1981 on impact tests for wheels and tyres in road vehicles. “Our insights and models for e-motor optimisation are part of our proprietary knowhow,” Lampic adds. Its development originated in the early 2000s, with intended (and achieved) benefi ts including improvements in specifi c torque, energy effi ciency, ease of assembly and ease of cooling relative to traditional coil-winding approaches. “The bearing is selected as a function of the wheel loads stemming from the vehicle’s weight, its CoG, wheelbase, track width and maximal lateral acceleration achieved during cornering. “Combining those two aspects makes our measuring stations uniquely ‘universal’ in their ability to test motors of widely different types and characteristics, while complying with automotive standards.”. That’s especially impressive considering how gas prices have remained low, and had even declined in recent months. You get a full legal limit amp and tuner for close to the price of a tube amplifier and manual tuner. Before iterating the key aspects of a new L1500’s design through CAD simulations, Elaphe fi rst selects the key peripheral components (including the rim, brakes and bearings) in order to defi ne how much space is left for the stator and rotor. “With more experience and our model accuracies optimised, we replaced the N40UH with N40SH, the latter being in the 150 C temperature class.”. That keeps them small in size and has some very positive effects in terms of reducing eddy-current losses and their overall mass relative to the magnetic flux.”, Neodymium is used for the L1500’s permanent magnets, a material selection which has also been motivated by the need for high torque density. Scalability of the company’s design processes has been critical for conceiving the structural architecture of each new L1500. For example, in lap winding, each continuous strand of conductor wire can be damaged as it is inserted into and twisted around the stator teeth. I love the amp, and am glad I purchased it. LM will build those motors in its Ohio plant, alongside the trucks that will use them. A traditional friction brake, with a disc rotor and caliper, fits inside the stator ring and attaches to the hub, as in all cars these days. More specifically, we saw a gap in the market for high-performance distributed drives for electric CUVs and SUVs, sedans, pick-up trucks, people-movers and extremely low energy demand vehicles. Nov 2, 2016 - Explore Glenmore Audi's board "R8", followed by 125 people on Pinterest. Elaphe’s method is called ‘compact multiphase wave winding’. As a B2B product, it is not intended for personal or single vehicle conversions. Contact a supplier or the parent company directly to get a quote or to find out a price or your closest point of sale. Which also means that they can make that pack for a VERY decreased price. Having been filtered through the industrial designer’s guidelines, the stator and rotor designs are then evaluated (together with connected structural interfaces for a holistic motor simulation) using multiphysics fi nite element analysis (FEA) testing. In addition to being able to customise the in-wheel electric motor for carmakers’ preferred brake and bearing suppliers, the L1500’s performance and components can also be tailored to meet manufacturers’ application-specific requirements. Some testing is repeated for each new set of customer requirements to revalidate a customized version that meets the requested bearing, brake, vehicle and performance targets. Each L1500 features inputs for three highflex phase cables and two signal cables for connecting new inverters, as preferred switching technologies can often change or evolve. “For magnetic strength, there is always a compromise between the magnet grade and the physical air gap in the motor.”. Four Elaphe L1500 gearless electric motors were mounted on each wheel, giving this first-generation BMW X6 a completely different setup that allowed it to spin just like a tank would, by controlling the way each wheel moves, independently. Power Transmission - Mechanical components, direct-drive, with brake, traction, for electric vehicles, external rotor, permanent magnet, liquid-cooled, compact, high-torque, high-power. (www.prodrive-electric.com).SOURCE Elaphe Propulsion Technologies Ltd. The L1500 has been designed to enable it to be used in a wide range of OEM EVs and HEVs. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Loads coming from the road apply signifi cant forces – particularly bending moments – on the bearing, which lead to minor elastic deformations while the motor is operating. “We can’t know for certain whether silicon IGBTs, SiC or some other transistor will become the standard. CAD approximations of the L1500’s components are subjected to load impacts and combinations to identify how the housings and mechanical interfaces can reduce structural stress. “An OEM in collaboration with Elaphe can select their preferred bearing that fits within these parameters – and most existing OEMs and suppliers produce bearings that are suitable.”. “So, we must use 20" tires. To flesh out the ideal design of the housings and motor interfaces, Elaphe’s technical specialists perform ‘topological optimisations’. 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