With the official launch of the “Notice on Continued Promotion and Application of New Energy Vehicles” on September 17, 2013, the development of new energy vehicles has ushered in a new round of development opportunities. As the mainstay of new energy vehicles, electric vehicles are always the most subsidized type of “care”. Even so, high cost, difficult charging, and poor endurance are still the three major bottlenecks in which electric vehicles fail to open the market quickly.
Chengdu Lianteng Power Control Technology Co., Ltd. is the overall provider of electric vehicle system solutions and key component development and powertrain system integrators with strong innovation strength in Southwest China. In 2013, it was the lead unit to jointly cooperate with Chengdu Bus and Dongfeng Motor. Cooperation units such as Electronic Science and Technology University and Nengbao Science and Technology Co., Ltd. have undertaken the provincial key science and technology support project “Electric Vehicle Power System Development”, and recently made gratifying progress in breaking through the three major bottlenecks in the development of electric vehicles.
First, the development of AC double induced permanent magnet synchronous motor. The company and the Ukrainian electrodynamic science and technology laboratory Scientific-research Electrodynamics Laboratory (EDL), Lakatoswar Valentin Pavlovich academic team team to carry out research, this project as one of the company's key research projects in 2014 development, has completed the development of the prototype prototype and entered the actual measurement work, The power density is up to 10.4kW/kg, and the torque density is up to 51.5Nm/L. The index exceeds the domestic leading level of 3.0kw/kg, reaching the international leading level, and is expected to enter the loading phase in September.
Second, battery energy efficiency management system development. The company's second major scientific research project jointly developed with the Scientific-research Electrodynamics Laboratory (EDL) of the Ukrainian Electrodynamics Technology Laboratory can effectively improve the energy utilization rate of batteries and make the development of electric vehicles break through the bottleneck of limited battery energy density. Changan Ruiyi is equipped with 300kg of 480km road test with the battery controlled by this system, which has achieved good results.
Third, the vehicle super-high power charging device is independently researched and developed by the company. It can directly use the AC 380V standard AC power socket for fast charging. Combined with the unique battery grouping technology, it can achieve 90% power up to 30 minutes. At the same time, it is compatible with existing built charging devices and household 220V charging mode.
The above three transformative technologies fundamentally solve the problem of vehicle cost, cruising range and the bottleneck of electric vehicle development caused by the large investment in basic charging facilities and difficult construction. It is of great significance to drive the development of industry and industrial chain.
The new energy electronic control and powertrain system is the core component of the electric vehicle industry. It plays a role in the industry chain (the whole vehicle) (battery and battery materials), and is the core competitiveness of new energy vehicles. Technology has the important significance of driving local related industries and technology development. In the next few years, the company will expand the field of international technical cooperation, and will involve the technical exchange and introduction of key technologies of electric vehicle industry chain such as battery manufacturing technology, battery material technology and high-power semiconductor technology, and make the development of new energy automobile industry in the province. contribution.

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