- Hyundai Motor Group’s superior next-generation hybrid system incorporates modern electrification applied sciences to enhance efficiency and gas effectivity
- New transmission options two built-in motors and will probably be mixed with varied engines throughout a variety of auto lessons
- Optimized design permits seamless integration of latest P1 motor, boosting vitality switch effectivity for beginning, battery vitality technology and driving efficiency
- Turbocharged 2.5-litre petrol engine achieves as much as a 2.9% improve in effectivity, with upgrades together with optimized thermodynamic cycle and gas injection methods
- New next-gen hybrid system provides 45% higher gas effectivity and 19% extra energy in contrast with ICE powertrains of the identical class, delivering enhanced refinement
- Employs refined electrification applied sciences and superior motor and battery management to spice up drivability and ship a number one hybrid driving expertise
- New next-generation 1.6 hybrid powertrain may even be obtainable, providing clients a wider selection
- Enhanced hybrid powertrains present an influence output vary from the low-100 PS area to mid-300 PS, initially debuting within the Hyundai Palisade 2.5 turbo hybrid
Hyundai Motor Group (the Group) has unveiled its next-generation hybrid powertrain system, delivering a brand new customary for energy and effectivity. With this superior system, the Group plans to supply a variety of trade main new merchandise inside the hybrid automobile section.
The Group unveiled this superior system throughout its ‘Subsequent-Gen Hybrid System Tech Day’, highlighting its considerably enhanced hybrid expertise, which is able to enhance the driving and possession expertise of future Group merchandise, delivering customer-focused advantages.
The subsequent-generation hybrid system includes a new transmission with two built-in motors that may be paired flexibly with a variety of inner combustion engines, permitting for optimized efficiency and gas effectivity throughout a variety of auto lessons. Moreover, varied electrification-focused applied sciences have been integrated into the next-generation hybrid system to reinforce driving efficiency, refinement and experience consolation.
“We now have developed an modern new hybrid system that integrates our long-accumulated engine, transmission and hybrid system improvement expertise with the electrification expertise utilized to our world-class electrical autos,” mentioned Dong Hee Han, Govt Vice President and Head of Electrified Propulsion Take a look at Middle, Hyundai Motor Group. “We’ll proceed to develop modern applied sciences that actively make the most of electrification capabilities throughout the transition to EVs, offering clients with eco-friendly autos that provide superior efficiency.”
Enhanced efficiency, effectivity, and packaging
The newly developed transmission features a new P1 motor that handles beginning, battery vitality technology and vitality deployment to help propulsion. The transmission’s P2 driving motor is chargeable for propulsion and regenerative braking. This built-in dual-motor setup improves energy, efficiency and gas effectivity whereas attaining easy shifting and diminished noise and vibrations for a extra refined driving expertise.
The transmission will be paired flexibly with inner combustion engines throughout the Group’s lineup, delivering a system output from the low-100 PS vary to the mid-300 PS area, permitting for broad utility from sub-compact to giant autos.
Hyundai Motor Group has employed its intensive expertise with hybrid powertrains – and motor and battery management expertise accrued by way of improvement of its devoted, award-winning E-GMP electrical automobile platform – to reinforce driving efficiency and luxury. The brand new, next-generation hybrid system additionally integrates comfort options generally discovered within the Group’s EVs, similar to Keep Mode, Automobile-to-Load (V2L) performance, and Good Regenerative Braking.
Improved engine design, superior compression and injection methods improve effectivity
The primary powertrain to make use of the next-generation hybrid system makes use of a newly developed gasoline 2.5-litre turbo hybrid unit, enhancing the design and management expertise of the prevailing 2.5 turbo gasoline engine to maximise effectivity. A brand new, next-generation gasoline 1.6-litre turbo hybrid powertrain may even be obtainable.
By reassigning the two.5 engine’s beginning and producing duties to the newly added P1 motor, the turbo hybrid powertrain minimizes energy losses. Mixed with enhanced cylinder circulate inside the engine and the adoption of a high-efficiency cycle optimized for hybrids, gas effectivity has been improved.
Usually, inner combustion engines generate energy by way of 4 strokes: consumption, compression, combustion and exhaust. The two.5 turbo hybrid system makes use of an ‘over-expansion cycle’, deliberately delaying consumption valve closure throughout compression to decrease the efficient compression ratio of the combined fuel within the cylinder whereas sustaining a excessive growth ratio throughout the combustion course of.
This system reduces energy consumption throughout combination compression whereas maximizing vitality generated after combustion, considerably enhancing engine effectivity.
Moreover, an improved piston design and a considerably expanded triple gas injection vary enhances combustion pace, stabilizes combustion and suppresses detonation, bettering engine effectivity additional nonetheless.
Transmission and engine enhancements enhance gas effectivity and driving expertise
Specializing in the P1+P2 parallel construction and combustion engine enhancements, gas effectivity and energy efficiency have been enhanced whereas attaining smoother shifting and improved powertrain refinement.
By connecting the P1 motor on to the engine, the system reduces engine begin time. Exact management of engine load and the driving power of the P1 and P2 motors make sure that the engine operates inside a high-efficiency vary, bettering gas effectivity.
The gasoline 2.5 turbo hybrid system used within the all-new Palisade delivers most gas effectivity of 14.1 km/l, a most system output of 334 PS, and most torque of 460 Nm, providing roughly 45 % larger gas effectivity, 19 % extra most energy, and a 9 % enchancment in most torque in contrast with a 2.5 turbo gasoline mannequin.[1]
The subsequent-generation gasoline 1.6 turbo hybrid improves gas effectivity by greater than 4 % in a mid-size SUV in contrast with earlier fashions, growing the system’s most rated torque output from 367 Nm to 380 Nm and bettering acceleration response.
Moreover, by incorporating the P1 motor into the Lively Shift Management (ASC) hybrid transmission logic, the system achieves quicker and smoother shifting efficiency than earlier than. Enhanced management of the engine clutch additional reduces time taken for the engine to have interaction when switching from EV mode, bettering consolation and efficiency. The P1 motor can also be utilized to scale back engine vibration and booming throughout battery charging conditions whereas idle, enhancing inside refinement.
Electrification applied sciences improve hybrid driving efficiency
Alongside the next-generation hybrid powertrain, the Group will combine superior electrification applied sciences to reinforce efficiency, effectivity and competitiveness in its new hybrid autos.
The Group showcased a lineup of electrification-focused applied sciences, comprising Electrical All-Wheel Drive (e-AWD), Electrification-Automobile Movement Management (e-VMC 2.0), e-Dealing with 2.0, Electrification- Evasive Dealing with Help (e-EHA 2.0), e-Journey 2.0, Keep Mode, V2L and Good Regenerative Braking.
The e-AWD system provides a P4 driving motor to the rear axle on autos outfitted with this expertise, enhancing driving efficiency and acceleration response. The Group plans to supply each e-AWD and standard mechanical AWD, providing the optimum all-wheel-drive configuration in line with automobile class and regional market necessities.
e-VMC 2.0 is obtainable on hybrid autos fitted with e-AWD, enhancing driving stability and experience consolation by way of impartial torque management of the entrance and rear driving motors. It contains e-Dealing with 2.0, e-EHA (Electrification-Evasive Dealing with Help) 2.0, and e-Journey 2.0.
e-Dealing with 2.0 enhances roll prevention throughout cornering by independently controlling the entrance and rear motors, making use of motor torque in reverse instructions to decrease the automobile’s heart of gravity. Whereas the unique e-Dealing with system elevated driving stability and responsiveness by way of single motor acceleration and deceleration management, model 2.0 provides much more refined management for an improved driving expertise.
e-EHA 2.0 is an emergency steering help expertise that makes use of automobile radar and digicam sensors to detect potential frontal collisions. It refines evasive maneuvers by way of exact braking management of the entrance and rear motors throughout sudden steering by the motive force.
Notably, after emergency steering inputs, e-EHA 2.0 assists through the use of the entrance motor for ahead propulsion whereas braking the rear motor to decrease the automobile’s heart of gravity, lowering roll and bettering stability.
e-Journey 2.0 maximizes experience consolation by minimizing vertical actions throughout pace bump crossings. It leverages adjustments within the automobile’s heart of gravity by way of reverse directional management of the entrance and rear motors throughout pace bump entry and exit to attenuate pitch and bounce motions.
Keep Mode adapts the ‘Utility Mode’ of EVs for hybrid autos, enabling a extra nice time contained in the automobile when stationary by using the high-voltage battery. Keep Mode permits the usage of all in-vehicle comfort options, together with air-conditioning and multimedia with out beginning the engine, and can be utilized for as much as one hour when the battery’s state of cost is between 70 and 80 %.[2]
This technique additionally features a ‘Keep Mode Utilization Reservation’ function. This operate synchronizes with the navigation system and begins charging the high-voltage battery about 2 km earlier than reaching a consumer’s meant vacation spot, focusing on a battery cost degree of 70 to 80 % upon arrival to maximise Keep Mode utilization time.
Moreover, the next-generation hybrid system’s V2L operate provides a most output of three.6 kW, just like EVs, permitting customers to cost and energy exterior home equipment and private tech gadgets. V2L can be utilized repeatedly whereas the engine is working, and in Keep Mode with out the engine working. On this use case, as much as 50 % battery capability (from 80 to 30 % SoC) will be utilized.
Different new applied sciences launched together with the next-generation hybrid system embody Hierarchical Predictive Management (HPC) and Good Regenerative Braking, each enhancing gas effectivity.
HPC optimally controls battery cost by predicting the driving route and street circumstances, selecting the right driving mode (e.g. EV, hybrid, regenerative braking mode and many others.) alongside the route for improved gas effectivity.
Good Regenerative Braking robotically applies optimum regenerative braking power primarily based on navigation knowledge and distance to different autos forward, lowering brake pedal inputs and growing battery cost by way of regenerative braking to additional enhance gas effectivity.
The Group plans to repeatedly refine present applied sciences whereas growing new techniques to supply an much more helpful electrification expertise for patrons.
Hybrid lineup to increase from compact to giant and luxurious fashions
The Group plans to mix the brand new hybrid transmission with varied engines throughout a system output from the low-100 PS vary to the mid-300 PS area, introducing a various lineup of hybrid autos from compact to giant and luxurious lessons.
With this expanded system output protection, the hybrid powertrain lineup will improve from three fashions to 5, with the most recent 2.5 turbo hybrid powertrain making its debut within the all-new Palisade hybrid, which started mass manufacturing this month. This technique will probably be utilized to different Hyundai and Kia fashions sooner or later.
The Group plans to introduce a rear-wheel-drive 2.5 turbo hybrid system in 2026 and goals to step by step increase its hybrid expertise to the Genesis luxurious model by making use of this powertrain to key fashions over time.
For all future hybrid fashions, the Group plans to use the newly unveiled hybrid system and additional electrification-focused applied sciences, tailoring these to the traits of particular person autos and lessons, in addition to regional market necessities.
- Please notice that the launch timing of the brand new hybrid system might range relying on the mannequin, area and market.
