Matthew Parkhouse, RN [email protected]
> On 15 May 2018, at 00:30, brucedp5 via EV <[email protected]> wrote: > > > > http://revolution-green.com/new-axial-flux-electric-motors-pack-ev-power-smaller-package/ > New Axial Flux Electric Motors Pack More EV Power In A Smaller Package > May 6, 2018 Agcat > > [images > http://revolution-green.com/wp-content/uploads/2018/05/Axiel-Flux-electric-motor-1.jpg > Credit: May.3rd 2018 8:52 am ET Micah Toll > > https://electrek.files.wordpress.com/2018/05/magnax.png > > https://electrek.files.wordpress.com/2018/05/magnaxmotorcycle.jpg > > https://electrek.files.wordpress.com/2018/05/screen-shot-2018-05-02-at-3-23-52-pm.png?w=697&h=547 > ] > > New Axial Flux Electric Motors Pack More EV Power In A Smaller Package. > Electric motors are the beating heart of any electric vehicle, and thanks to > a startup in Belgium, your next EV’s motor could be stronger, smaller and > more efficient. Magnax is hard at work developing new axial flux motors for > use in EVs and other applications that require powerful yet lightweight > motors. > > This could mean faster, lighter and generally more awesome electric cars and > motorcycles, among other new developments. Axial flux motors are a major > improvement over standard radial flux motors, which leave a significant > amount of copper overhanging on the ends of the coils. In radial flux > motors, any copper not perpendicular to the magnet’s rotation is essentially > wasted. > > Axial flux motors, on the other hand, offer the lowest possible copper loss. > This translates to higher efficiency. In other words, more of the battery > power gets turned into useful motor power. > > These axial flux motors are also more efficient due to their intrinsically > enhanced cooling. Because the coils can be pressed directly against the > exterior motor case, they can cool much faster than in radial flux motors, > which must transfer the coil heat through the stator of the motor. > > Magnax has a few other innovations that they are working into their motors > as well. Instead of standard round wire for their copper coils, Magnax is > using rectangular cross-section wire to pack more copper into the same > space, resulting in a copper fill of up to 90%. > > They also employ a yokeless stator, which provides the shortest possible > flux path, as well as using grain-oriented steel, which they claim can > reduce the core losses by as much as 85%. > > Ok, that sounds nice and all, but what are these fancy tech specs good for? > > What this all adds up to is a motor that can be insanely light compared to > the amount of power it produces. Magnax claims their axial flux motors can > reach up to 15 kW/kg peak, or 7.5 kW/kg nominal (9 hp/lb peak, or 4.5 hp/lb > nominal). > > But power means nothing if you can’t keep the motor cool. With the improved > cooling capacity of axial flux motors, Magnax’s new motors will be able to > provide higher power for longer, resulting in better performing vehicles. > > According to the company: > > This is our way of contributing to a sound environment for our children. > Magnax enables industrial innovation with axial flux motor and generator > technology that outperforms in efficiency, weight, reliability, and > cost-effectiveness. Magnax supports the global transition to fully renewable > power generation, electric transportation and ultra-efficient machines by > innovating in next-generation electric motor and generator technology. > > Magnax is already preparing to debut their first prototype motors by the end > of this year, with a stated goal of an unveiling in October. > > The prototype motor will be a 275 mm (10.8 inch) diameter motor weighing > 22.5 kg (50 lb) and capable of between 300 to 408 kW (400-550 hp) of power. > They are also developing a smaller 7 kg (15.4 lb) version of the same motor > with a diameter of 185 mm (7.2 inches) and peak power output of 84 kW (113 > hp). The company is envisioning the use of these motors in everything from > electric motorcycles and vehicles to electric aircraft, and even in large > wind turbines when used as generators. > [© revolution-green.com] > ... > https://www.google.com/search?q=Magnax+Axial+flux+motors+Belgium > search Magnax Axial flux motors Belgium > > > [dated] > http://electric-vehicle-discussion-list.413529.n4.nabble.com/IEEE-detailing-EV-e-motor-design-differences-td4687134.html > IEEE detailing EV e-motor design differences > ... improving the ratio of power to weight is to increase the strength of > the motor’s magnetic field, which increases torque. That’s the point of > adding an iron core to a coil, for although this step increases weight, it > boosts magnetic-flux density by two orders of magnitude. Therefore, nearly > all... > Jun 24, 2017 > > > http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-Evans-Electric-axial-flux-induction-motor-au-going-to-Silicon-Valley-CA-tp4685496.html > EVLN: Evans Electric axial flux induction motor.au going to > Silicon_Valley-CA > Australia's Set to Lose a New Electric Engine to Silicon Valley > The axial flux induction motor by Evans Electric ... > evans-electric.com.au ... > Jan 17, 2017 > > > http://electric-vehicle-discussion-list.413529.n4.nabble.com/EVLN-Honda-s-non-heavy-rare-earth-metal-dependent-cn-Electric-motor-tp4682928.html > EVLN: Honda's non- heavy-rare-earth-metal-dependent.cn Electric-motor > ... which accommodates this new magnet. In addition to the shape of the > magnet, Honda revised the shape of the rotor to optimize the flow of the > magnetic flux of the magnet. As a result, the hot deformed neodymium magnet > that contains absolutely no heavy rare earth became usable for the drive > motor of a... > Jul 15, 2016 > > > + > http://www.tuvie.com/hyundai-kite-electric-buggy-concept-transforms-into-a-single-seater-jet-ski/ > Hyundai Kite Electric Buggy Concept Transforms Into a Single-Seater Jet Ski > April 26, 2018 Hyundai Kite Electric Buggy Concept is the result from > cooperation between and 15 IED transportation designer master’s course > students. This two-seater concept vehicle offers dual mobility solution > where user can convert it into a single-seater jet ski … > http://www.tuvie.com/wp-content/uploads/hyundai-kite-electric-buggy-concept3.jpg > > > > > For EVLN EV-newswire posts use: > http://evdl.org/archive/ > > > {brucedp.neocities.org} > > -- > Sent from: http://electric-vehicle-discussion-list.413529.n4.nabble.com/ > _______________________________________________ > UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub > http://lists.evdl.org/listinfo.cgi/ev-evdl.org > Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA) > _______________________________________________ UNSUBSCRIBE: http://www.evdl.org/help/index.html#usub http://lists.evdl.org/listinfo.cgi/ev-evdl.org Please discuss EV drag racing at NEDRA (http://groups.yahoo.com/group/NEDRA)
