It is also a pure visual intelligent driving solution, with lower energy consumption and a complete battery swap system.
In terms of these three advantages, if you compare the Ledao L60 with the Tesla Model Y, I personally prefer to choose the former. At the press conference of Weilai's second brand, Ai Tiecheng talked about the technical information of the Ledao L60 car, which is the first product of the NT 3.0 platform to land, and there are many technical points. The announced pre-sale price, the level starting from 219,900 yuan, is just 30,000 yuan cheaper than the Model Y, and if there is a BasS plan, the price will be further reduced.
However, at the press conference, Ledao L60 did not announce the specific battery pack scheme used, and there are three battery life schemes given, the standard range is 555km, which is 1km more than the Tesla Model Y standard continuation, and the long range is 730km, which is 42km more than the Model Y long endurance; The ultra-long endurance has exceeded 1000km. The size of the Ledao L60 is longer and wider, and the wheelbase is 60mm longer, but the endurance performance is better.
In fact, many details of Ledao L60 are worth digging into.
900V, what advantages do you get?
The whole press conference, did not mention what kind of battery pack configuration is quite unexpected, it should not have been considered, there are still 3 months to go on the market, during this time, the specifications of the battery pack should be determined, it may be like the previous speculation, standard continuation, long continuation of two versions, two new battery models will be enabled.
Compared with the battery that did not disclose more details, the 900V high-voltage system is also worth paying attention to.
The NT 3.0 platform has a higher voltage platform, which can bring more realistic battery life and more efficient energy conversion. Speaking of advantages, the 900V high-voltage platform provides a higher voltage compared to the 800V platform, which means that the current can be smaller when transmitting the same power, thus reducing the energy loss during transmission. This helps to improve energy efficiency and charging speed, and one kilowatt-hour of electricity can run more range; Then, the charging speed will also be faster (but Ledao has a battery change, in fact, this advantage is somewhat discounted).
Then, the 900V silicon carbide platform used in Ledao L60 uses the high thermal conductivity, high voltage resistance and high frequency characteristics of silicon carbide materials. Therefore, higher power conversion efficiency, smaller and lighter wiring harness, by the way, improve the performance of the vehicle and the efficiency of electric energy utilization.
With 900V, there is a premise for reducing energy consumption?
Obviously yes, after upgrading from 400V high voltage to 800V high voltage, the energy consumption is very obvious, and after using silicon carbide modules, the energy consumption is reduced by about 5%-10%. After upgrading to 900V high voltage, the energy consumption will be further reduced by at least about 5% (the maximum value also depends on the amount of silicon carbide). Silicon carbide materials perform better in high-voltage and high-temperature environments, so higher voltage platforms may require more silicon carbide materials to ensure performance and efficiency.
If the power required is the same, then the higher the voltage, the less current is required. Therefore, in the case of the same power, the current required by the 900V high-voltage system is actually only less than 50% of the 400V. As a result, the Ledao L60 has a longer and wider body, and with a similar battery pack, the energy consumption is 0.4kWh/100km lower than that of the Tesla Model Y. Of course, this 900V high-voltage system, with a high-performance battery, can play a better strength, in fact, you can also look forward to the NT 3.0 platform of NIO ET9 The strength of the three electric cars, give enough room for imagination.
Then, we can pay attention to a question next, after Ledao L60 gets the advantage of energy consumption of 12.1kWh/100km, and then cooperates with the 900V high-voltage system, will its real range perform better than Tesla Model Y. This is an important issue that is directly related to the use of cars.
Drive up, maybe longer than Tesla?
Before the Ledao L60 press conference, there has always been a voice, that is, to build a medium-sized pure electric SUV with a small battery, the cruising range may not be good-looking, unless there is energy consumption management like Tesla, and a 550km level pure electric cruising range can be regarded as qualified performance.
The lowest endurance of Ledao L60 is the version with the prefix of 5, which is also in line with the lowest expectations of the industry before, and it was originally expected to reach the endurance of 600 kilometers. However, it may be difficult to achieve, and the energy density of lithium iron phosphate must continue to be squeezed while the cost is frantically reduced, which has a higher test of technology and safety.
So it gave 555km of range, which is only 1km more than Tesla.
So, after using 900V high voltage, in the face of Tesla, which is still using the 400V platform, does Ledao L60 only have the advantage of 1km more than this range? Let's define the so-called 900V high voltage first, in fact, from 550V to 930V in this range, it is defined as 800V high voltage, and the high-voltage system of Ledao L60 will only exceed 930V high voltage, and the silicon carbide module used will most likely be a 1200V high-voltage module, and the durability and switching speed will be better. When it comes to resistance loss, the resistance loss under the 900V high-voltage system is only about 20% of that of the 400V high-voltage system.
I just want to illustrate one point.
Under the premise of having a 900V high-voltage system, the performance of the cruising range is actually more stable, and the real cruising range will be higher. Resistance loss, to put it another way, means that the lower the resistance loss, the higher the efficiency of the use of each kilowatt-hour. Therefore, no matter what kind of battery pack Ledao L60 uses lithium iron phosphate or ternary lithium, its energy consumption will be lower, and the cruising range will be more real.
For example, the power consumption of the real owners of the Tesla Model Y is about 13-15kWh/100km on average. Few people can drive to 12.5kWh/100km, and under the 400V high-voltage system, the Tesla Model Y's real range will be about 20-30km less than the official claim of 554km, and the actual range may only be about 510km.
The Ledao L60 with a 900V high-voltage system performs better than the Tesla Model Y in terms of the authenticity of the range. Referring to the above, the resistance loss is only about 20% of the 400V high voltage, so the cruising loss of the Ledao L60 is only about 5-10km. And this kind of low loss, put into the real car use scenario, may actually be about 30km longer than the standard version of the Tesla Model Y. Of course, comparing the latest Ledao L60 with the Tesla Model Y a few years ago, there must be an advantage in technology, so it is normal to do better at the three-electric level.
Then, Ledao L60 has a natural advantage, that is, in terms of energy replenishment and battery replacement, Ledao L60 has achieved "second in the industry", from the official announcement of the number of 1000+ seats, Ledao should support all the third-generation battery swap stations, as well as the fourth-generation stations that will be deployed on a large scale in the future.
I also want to say,Personally, I think Ledao L60There are some deficiencies in hardware。
In terms of chassis configuration, cars of the same level basically use the more expensive double wishbone front suspension, while the Ledao L60 still uses the MacPherson front suspension; Then, CDC shocks were also not provided, and the regular FSD variable damping set was continued. However, if this suspension system is used on 90% of the working conditions of the car on urban paved roads, the difference is not particularly large, and it is also suitable.
At last
It will take about 3 months until the launch of this car, and the time given at the press conference is about September this year. And in the past 3 months, I personally feel that it is still worth the wait. If some of the target products are Tesla Model Y, in fact, the hardware level of Ledao L60 at the three-electric level is better than the latter.
It may not be too strong at present to perceive the 900V high-voltage system, but the most intuitive change is that the real range is definitely closer to the calibrated 555km range. Then, with the BaaS solution, the purchase cost will be lower, and then the battery life will be more flexible, which is why Ledao L60 has to make 900V products for the whole series, instead of giving a 400V high-voltage platform for the entry version like other brands.