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New energy electric vehicles, English: (New energy electric vehicles) New energy electric vehicles include: electric drive and control systems, drive transmission and other mechanical systems, work devices to complete the task.
The electric drive and control system is the core of electric vehicles and the biggest difference from the internal combustion engine. The electric drive and control system consists of a speed control device that drives the motor, the power supply, and the motor. Other devices for electric vehicles are basically the same as those for internal combustion engines.
An electric vehicle is a vehicle that is driven by a vehicle power source and driven by a motor to meet the requirements of road traffic and safety regulations. It uses the electricity stored in the battery to start it. Sometimes 12 or 24 batteries are used when driving a car, and sometimes more.
1, no pollution, low noise
The exhaust gas generated by electric vehicles without the internal combustion engine does not produce exhaust pollution, which is very beneficial to environmental protection and air cleaning, and is almost “zero pollution”. It is well known that CO, HC and NOX, particulates, odors and other pollutants in the exhaust gas of internal combustion engines form acid rain acid mist and photochemical smog. Electric vehicles have no noise generated by internal combustion engines, and the noise of electric motors is also smaller than that of internal combustion engines. Noise is also harmful to human hearing, nerves, cardiovascular, digestive, endocrine, and immune systems.
2. High energy efficiency and diversification
Research on electric vehicles has shown that its energy efficiency has surpassed that of gasoline engines. Especially in the city, the car stops and stops, the driving speed is not high, and the electric car is more suitable. When the electric vehicle stops, it does not consume electricity. During the braking process, the motor can be automatically converted into a generator to realize energy reuse during braking deceleration. Some studies have shown that the same crude oil is crude and sent to the power plant for power generation. After being charged into the battery and then driven by the battery, the energy utilization efficiency is higher than that after being refined into gasoline and then driven by the gasoline engine, thus saving energy. And reduce the carbon dioxide emissions.
On the other hand, the application of electric vehicles can effectively reduce the dependence on petroleum resources, and can use limited oil for more important aspects. The electricity charged to the battery can be converted from energy sources such as coal, natural gas, hydropower, nuclear power, solar energy, wind power, and tides. In addition, if the battery is charged at night, it is also possible to avoid the peak of power consumption, which is beneficial to the grid to balance the load and reduce the cost.
3, the structure is simple and easy to maintain
Electric vehicles are simpler in structure than internal combustion engines, with fewer running and transmission components, and less maintenance and repair work. When an AC induction motor is used, the motor does not require maintenance and, more importantly, the electric vehicle is easy to handle.
4, high power costs, short driving range
Electric vehicles are not as good as internal combustion engine technology, especially the power supply (battery) has a short life and high cost of use. The battery has a small energy storage, and the mileage is not ideal after one charge, and the price of the electric car is relatively expensive. However, from the perspective of development, with the advancement of science and technology, the corresponding human and material resources will be invested, and the problem of electric vehicles will be gradually solved. In order to avoid weaknesses, electric vehicles will gradually become popular, and their prices and use costs will inevitably decrease.
5. Supporting the development of grid technology
Operation characteristics of electric vehicle battery exchange station, replacement station as key technology and control strategy for distributed energy storage unit to access the grid; screening principle, group method and system scheme for battery ladder utilization; replacement station multi-purpose converter device; replacement station Integrated monitoring system with energy storage station; integrated demonstration project of replacement station and energy storage station.
The characteristics of electric vehicle charging demand and the impact of large-scale electric vehicle charging on the power grid; the orderly charging control management system for electric vehicles; and the orderly charging test system for electric vehicles.
Control strategy and key technologies for interaction between electric vehicles and power grids; intelligent charging and discharging machines for electric vehicles, intelligent vehicle terminals and interactive coordinated control systems for electric vehicles and power grids; interactive experimental verification systems for electric vehicles and power grids; and inspection and testing technologies for charging and discharging facilities for electric vehicles.
New charging and discharging technology for electric vehicles; intelligent charging and discharging control strategy and detection technology for electric vehicles; key technologies for interactive operation of charging facilities and power grids.
Large-scale electric vehicle battery replacement technology, metering and billing, asset management technology; business model for charging facility operation; operation management system construction plan for intelligent charging and replacing service network based on Internet of Things.
6, battery technology to support battery life and mileage
At present, the batteries of many new energy vehicles are still traditional lead storage batteries, which seem to contradict the original intention of new energy vehicles in terms of weight, storage capacity and safety. Therefore, if it is impossible to break through the bottleneck in the electric energy storage technology of automobiles and develop epoch-making products, it will not be possible to make new energy vehicles truly widely used. At present, the relatively advanced technology at this level of development can refer to the Tesla electric car, which alleviates this contradiction by merging the car chassis with the battery. Of course, Tesla electric vehicles also have huge problems in other aspects such as safety, so it has not been widely sold.
New energy pure electric suv car recommended _ new energy pure electric suv car price how much1. Roewe RX5
Brand model Roewe ERX5 (click to enter the official website) official price 19.98~22.38 million (after subsidy) preferential margin no cruising range 320km current car state is sufficient
The Roewe RX5 family is very interesting. First, the fuel version of the RX5 turned out, the name of the first Internet smart car on the top of the head, got a good reputation. Subsequently, the hybrid version of the eRX5 and the pure electric version of the ERX5 were withdrawn, and the two were only distinguished by the letter case in terms of naming. So talking about the Roewe RX5, everyone still prefers to use the fuel version, the hybrid version and the pure version to distinguish.
Since the foundation of the fuel version RX5 is well played, the pure electric version of the ERX5 that was introduced later naturally fell into a boat. The appearance is almost no big move, only the size of the intake grille of the front is increased. In terms of configuration, it has not ruined the "Internet Smart Car". Roewe positioned the ERX5 as the flagship version of the full RX5 car, and it has everything in its configuration. Features such as 360-degree panoramic image, FCW front collision warning, LDW lane departure warning, and EPB electronic handbrake are all equipped. Moreover, configurations such as LED headlights and panoramic sunroofs that effectively highlight vehicle grades are naturally absent.
As for the battery life that electric car owners are most concerned about, the car is equipped with a 48.3kWh ternary lithium-ion battery, with a total cruising range of 320km. Support AC slow charging and DC fast charging two charging methods. Charge 80% within 40 minutes of fast charge and 100% charge within 7 hours of slow charge. This kind of battery life performance is enough for the city to travel. If you only commute to work two points and one line every day, the Roewe ERX5 can do a week.
2, BYD Song
Brand model BYD Song EV300 (click to enter the official website) official price 18.99~20.99 million (after subsidy) preferential margins no comprehensive battery life 300km current car state is sufficient
The BYD Song EV300 released at the Shanghai Auto Show in April is undoubtedly the focus of this year's electric car. This EV electric version based on the original fuel version BYD Song not only gives users a different choice, but also perfects BYD. The dynasty series of product lines make up for the vacancies in the city's electric SUV models.
After the subsidy, the prices of the three cars were 189,900 yuan, 199.99 million yuan and 209,900 yuan respectively. BYD officially launched an activity of 99 yuan to 10,000 yuan for electricity travel, and directly paid for the car. Further improved the cost performance of the new car.
Excellent power performance is the EV300's housekeeping skills. The car is equipped with a 160kW electric motor with a peak torque of 310Nm and an acceleration of 0-60km/h in just 4.8 seconds. The interior has also been greatly optimized. The changes are concentrated on the steering wheel and the gear bar. In addition to the new design, the new BYD Song EV300 can be regarded as the most mature interior craft in the same class. I believe that driving such a car with a face and a quilt will definitely add some highlights to your quality life.
3, Guangzhou Automobile Chuanqi GE3
The brand model GAC Chuanqi GE3 (click to enter the official website) official price 15.2~172,000 yuan (after subsidy) preferential margin no comprehensive battery life 310km car state is sufficient
GAC Chuanqi GE3 is the first pure electric SUV of Guangqi Chuanqi. Since its launch in August, it has launched two models, the Zhixiang version and the exclusive version. The official guide price is 222,800 yuan and 245,800 yuan respectively. After enjoying the subsidy, taking Beijing as an example, the market price is 1,500,200 yuan. And 173,200 yuan, the performance of the price is still quite good.
The GE3 is equipped with a motor with a power of 132 kW and a peak torque of 290 Nm. Such data can completely kill the surrounding domestic fuel cars on the way to and from work. At the same time, GE3 also provides a comprehensive life of 310km, and the official also specially introduced quality assurance of batteries for 8 years or 150,000 kilometers. These also make Chuanqi GE3 become a highlight in the market for pure electric SUV models.
4, Tengshi
The brand model Tengshi (click to enter the official website) official price 23.9~259000 yuan (after subsidy) preferential margin three years 0 interest rate comprehensive life 352km car state is sufficient
Seeing the trend, it is estimated that some consumers may be surprised, is this not a pure electric SUV inventory? Why do you add a car? In fact, since driving the Tengshi 300 in the winter last year, after driving through the Prairie Road, Tengshi has been silently divided into SUV models in Xiaobian. On the grassland road in the deep winter season, there are not only the ups and downs of the ups and downs, but also the thick snow and smooth ice, but in the face of these small obstacles, the Teng is like a flat. Even the slopes of the Volvo V60 are slippery, and it is like a routine to walk up. If you still don't believe it, you can reply to the keyword “Tengshi Self-driving” in the car technology public number to see the wonderful tour of Xiaobian-10°C through Prairie Tianlu.
As a brand positioned as a luxury new energy model, DENZA is aiming at the mid-end user group, providing a luxurious driving experience while maintaining the current top domestic manufacturing level in the pure electric technology. At present, the latest Tengshi has been upgraded from 300km to a maximum of 400km, and it has also enhanced the in-car ride and intelligent assisted driving experience.
The exterior and interior of the Tengshi are not much different from the previous generation, but have many configurations, such as panoramic sunroof, interior ambience light, induction open trunk, seat/external mirror memory, Easy Access main driving seat. The addition of functions such as automatic adjustment can better reflect the luxurious atmosphere of Tengshi. In addition, the Tengshi 400 model also optimizes the energy recovery system and introduces an upgraded version of the app. Consumers can implement travel planning, remote appointment charging, remote smart seat heating, and air conditioning control through the APP. It can be said that it is a versatile luxury car that combines wisdom and technology.
February 13, 2023
February 10, 2023
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February 13, 2023
February 10, 2023
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