April 26, 2024

The short life of electric vehicles is not all "virtual standard" battery management system is very important

When the new energy vehicles developed rapidly, doubts came along. The so-called "virtual standard" problem, such as the short-term range of electric vehicles and the difficulty of charging, is also constantly mentioned. In fact, when we think about it, we will find that individual consumers have some misunderstandings about the entire new energy automobile industry chain. Regardless of the specific use environment and usage conditions, compared with traditional fuel vehicles, electric vehicles have great differences in power battery requirements, and cruising range is not an absolute indicator.

Misunderstanding of the cruising range is urgent to be clarified

Under the background that China's auto market is generally growing slightly or slightly, the new energy auto market dominated by electric vehicles is undoubtedly the most beautiful landscape.

Vehicles that meet the national encouragement and promotion policies, regardless of size and type, can enjoy tangible subsidies, which greatly enhances the production enthusiasm of related companies.

Of course, at the same time as the market is exploding, the questioning voice has followed, and the so-called “virtual standard” problem, such as the short-term range of electric vehicles and the difficulty of charging, has been repeatedly mentioned.

We often hear complaints from consumers about such problems as “battery capacity, battery life, high mileage, leakage, and power failure”. In fact, when we think about it, we will find that individual consumers have some misunderstandings about the entire new energy automobile industry chain.

Actual road conditions differ from theoretical values

Is the manufacturer's propaganda mileage a common false component? Can consumers not believe the mileage of the airlines marked by the manufacturers?

To answer this question, you can start with a traditional fuel car.

According to the overall survey results of various types of vehicle owners, almost 100% of ordinary fuel owners believe that the actual fuel consumption of the vehicles they drive is higher than the public fuel consumption indicated by the products.

What is the reason for this? On the one hand, since the fuel consumption of the vehicle is in accordance with the relevant standard test cycle, in actual driving, it is generally difficult to achieve the road conditions and vehicle conditions stipulated in the standard test cycle, and of course, the fuel consumption of the vehicle cannot be obtained; On the other hand, the current domestic test fuel consumption standards are equivalent to the same foreign standards, people are based on the actual test road conditions of their own country to obtain a weighted average road map, and we copy the results of others, the actual road conditions and people may It's totally different, and of course there is no satisfactory result in this case.

From the complaints of some car owners, it can be found that the actual fuel consumption of some vehicles is even higher than the nominal fuel consumption by more than 30%. This obviously cannot be simply understood as the driving habit of the owner. The test method and standard of fuel consumption are worthy of careful study here.

Similar to traditional fuel vehicles, the cruising range of an electric vehicle is only a theoretical nominal value. It is closely related to road conditions and traffic conditions. Even due to the charge and discharge characteristics of electric vehicle power batteries, their cruising range has a direct relationship with the ambient temperature. Of course, it also has a more direct connection with the relevant electrical facilities used in the car, such as whether air conditioning is used.

In fact, just as the first electric network CEO Qiu Yijun said, in the actual use of electric vehicles, consumers can compare the mileage of electric vehicles in comprehensive conditions, and comprehensive conditions integrate urban road conditions, suburban road conditions, and high-speed road conditions. There are various road conditions such as acceleration and deceleration, which is a running road condition that is closer to reality.

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