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*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
*For detailed price kindly use price calculator
Original Hybrid System Integrates Enviromental Performance and FUN at a High Level
Honda began taking initiatives, ahead of the times, to adopt electrification
technologies
to its automobiles in various ways, in order to reduce CO2 emissions, which Honda
considers a critical challenge for a manufacturer of mobility products. Among these electrification
technologies, hybrid-electric systems are the most familiar one, and Honda is further expanding its
lineup of hybrid-electric models.
A hybrid-electric vehicle is equipped with electric motors in addition to an engine and achieves
excellent fuel economy by efficiently using those two power sources.
The e:HEV hybrid-electric system was created by combining all of the engine and electrification
technologies Honda has amassed to date and adopting a host of new technologies to achieve
overwhelmingly high fuel economy and a new level of fun of driving.
The electric motor drives the vehicle for the entire speed range, and the internal combustion
engine (ICE) is engaged only while cruising at high speed. This system achieves excellent fuel
economy while offering the exhilarating and sophisticated fun of driving unique only to e:HEV,
unattainable with an ICE-only system.
Honda e:HEV Hybrid-electric System Brings the Best Out
of the Motors and Engine
An ICE can generate high output at high-rpm range, but have difficulty in
generating large torque at low-speed range such as when the car starts moving from a stop. Due to
this characteristic, the fuel economy of ICE vehicles is not very high in urban areas frequent
stops and starts are required. On the other hand, an electric motor can generate maximum torque
from the low-speed range such as when the vehicle starts moving. By using an electric motor at low
speed and an ICE at high speed, the hybrid-electric vehicle achieves high efficiency and thus high
fuel economy.
Automakers around the world use different hybrid-electric systems, and all automakers use different
systems depending on the size of the vehicle.
In general, there are three types of hybrid systems: 1) a series hybrid, in which the engine
generates electricity and the electric motor drives the vehicle; 2) a parallel hybrid, in which the
engine primarily drives the vehicle while the motor assists; and 3) a series-parallel hybrid, in
which both the engine and motor act together to drive the vehicle.
For the low- to mid-speed range, where the motor has an advantage over the engine, the e:HEV works
like a series hybrid, and drives the vehicle with a motor. During high-speed cruising, where the
engine has an advantage over the motor, the e:HEV works like a parallel hybrid and the engine which
is simply and directly connected to the tires primarily drives the vehicle. In other words, the
e:HEV is an intelligent hybrid system unique to Honda, taking advantage of both series and parallel
hybrid systems.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
The Honda two-motor hybrid system consists of a traction motor and a generator motor, which efficiently convert engine output into electricity, supply power to drive the tires and charge the battery, while also regenerating electricity during deceleration. The traction motor uses a magnet which is free of heavy rare earth elements.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
This engine realizes a high-output Atkinson cycle with excellent thermal efficiency.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
During high-speed cruising, the system shifts into engine drive mode, where the engine output shaft is directly connected to the wheels. With gear ratios suitable for high-speed driving, equivalent to the top gear in a manual transmission, the simple power transmission path maximizes the highly efficient operation of the Atkinson cycle.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
The PCU consists of a power drive unit (PDU) that converts battery current to AC and a voltage control unit (VCU) that boosts the voltage to a maximum of 650V, based on the requirement by the traction motor. As a result of downsizing and an increase in efficient operation, the PCU fits inside the engine compartment.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
Power unit that combines lithium-ion batteries with an ECU for control, which efficiently stores and outputs electricity, contributing greatly to fuel efficiency and driving performance.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
Difference with a Series-Parallel Hybrid System
While the series-parallel hybrid system adjusts the ratio of engine and motor drive according to driving conditions, the e:HEV uses efficient motor drive for most daily driving situations. There are two modes of motor drive: EV drive mode and Hybrid drive mode. The e:HEV realizes high-quality motor driving and excellent efficiency for both modes by featuring a simple structure without a complex power distribution mechanism.
Difference with a Series Hybrid-Electric System
With a series hybrid system, the engine generates electricity which is used by the electric motor which drives the vehicle for the entire speed range. Even during high-speed cruising, the motor, which is less effective than the engine, has to maintain high rpm, therefore, the engine must increase the amount of electricity generation. In contrast, during high-speed cruising, the e:HEV simply engages the engine directly to drive the vehicle. The vehicle drives with high quietness and fuel economy in the speed range where the engine is most efficient.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
During startup acceleration and city driving, the vehicle runs on the motor alone, powered by electricity from the battery. Since the engine is off, the vehicle runs like a BEV, without using gasoline.
The vehicle runs on the motor alone using electricity generated by the engine. Electricity from the battery is also used to realize powerful acceleration.
During high-speed cruising, which requires less driving force, engine drive mode is more efficient than running the motor at high speed.
When decelerating or driving downhill, the tire rotation drives the traction motor to generate electricity, converting kinetic energy into electricity which is stored in the battery.
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During startup acceleration and city driving, the vehicle runs on the motor alone, powered by electricity from the battery. Since the engine is off, the vehicle runs like a BEV, without using gasoline. The driver's operation of the accelerator pedal and motor power output are precisely controlled, ensuring a smooth and highly responsive driving experience.
The vehicle runs on the motor alone using electricity generated by the engine. Electricity from the battery is also used to realize powerful acceleration. A linear acceleration feel is achieved by optimizing the balance between acceleration G in response to accelerator pedal operation and engine speed increase.
During high-speed cruising, which requires less driving force, engine drive mode is more efficient than running the motor at high speed. Engine output is directly connected to the driveshaft to reduce power loss.
When decelerating or driving downhill, the tire rotation drives the traction motor to generate electricity, converting kinetic energy into electricity which is stored in the battery.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
The visuals in this content are for informational purposes only and do not represent any specific product or model.
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