DM (dual-mode) technology, namely dual-mode technology, is BYD's plug-in hybrid technology platform. The architecture of DM-i super hybrid system includes: Xiaoyun-plug-in special 1.5T high-efficiency engine, EHS electric hybrid system, DM-i super hybrid special power blade battery, AC/DC car charger and other core components. At the same time, the vehicle control system, engine control system, motor control system and battery management system are all independently developed by BYD.
DM-i super hybrid power architecture truly realizes more electricity, less oil and efficient oil use. With sufficient power, the DM-i super hybrid is a pure electric vehicle. When the power is insufficient, the DM-i Super Hybrid is a hybrid vehicle with ultra-low fuel consumption: driving in the urban area, 99% of the working conditions are driven by a motor, and the driving experience is infinitely close to that of a pure electric vehicle. At 865,438+0% of the working conditions, the engine is turned off and the fuel consumption is completely zero; High-speed driving, mainly parallel direct drive, the engine is driven in the high-efficiency interval, which simplifies the energy transfer link and realizes ultra-high efficiency and ultra-low fuel consumption. Under NEDC and WLTC conditions, the transmission ratio of DM-i super hybrid motor is as high as 88% and 82% respectively.
The core components of DM-i super hybrid include dual-motor EHS super hybrid system and Xiaoyun-plug-in special high-efficiency engine. The brand-new Xiaoyun-plug-in 1.5T high-efficiency engine equipped with BYD DMI-i super hybrid power adopts technologies such as Miller cycle, EGR exhaust gas recirculation, separated cooling heat management and electric water pump.
DM-i super hybrid special power blade battery and vehicle control system, engine control system, motor control system and battery management system. These core components and key technologies are completely independently developed by BYD. Compared with the fuel engine, the motor has high driving efficiency and environmental protection.
BYD DM-i super hybrid technology has four modes, covering the whole scene of users. These four modes are EV pure electric mode, HEV series mode, HEV parallel mode and engine direct drive mode.
BYD's blade battery has the characteristics of high density, small volume, light weight, low cost and long life. Withstood the battery's Everest acupuncture experiment, the most important safety of electric vehicles was guaranteed.
In addition, BYD has added a brand-new "pulse self-heating" technology to the battery thermal management system, which can realize battery self-heating. Pulse self-heating technology can improve battery heating efficiency by 20%, and large-capacity blade battery pack also provides support for power dispatching.
DMI super hybrid power system is a hybrid power technology based on electricity, which is based on super-large capacity battery and high-performance high-power motor, driven by high-power and high-efficiency motor, and assisted by gasoline engine, greatly reducing automobile fuel consumption.
BYD dmi super hybrid power system adopts 1.5T high efficiency engine and Miller cycle working mode. The compression ratio is 15 to 1, and the thermal efficiency reaches 38%. Their maximum common ratio is 102, and their maximum torque is 23 1, which is still the engine data. You can imagine how horrible a beast with motor power is.
As a medium and large SUV, the price of Tang DMi is only 18.98-2 1.68 million yuan, which is really a price with special conscience. Besides, as a new energy leader, what reason does BYD have not to choose such a cost-effective medium and large SUV?