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Views: 0 Author: Site Editor Publish Time: 2024-03-26 Origin: Site
To put it simply, the motor, battery (power battery), and electronic control system are collectively called the core three components of a purely electric truck, and the three are collectively called the three-electric system. The three-electric system is the core of new energy vehicles, so how do we select and judge the "three-electric system"? Next, let's talk about it separately.
Here is the content list:
l Electric motor
l Battery
l Electronic control system
According to the definition of a motor, its basic working principle is an electromagnetic device that uses a magnetic field as a medium to convert mechanical energy and electrical energy. Classification can be roughly divided into DC motors, induction motors, and permanent magnet motors. At present, there are many permanent magnet motors installed on relatively common vehicles. The attention angle of the electric motor is similar to that of the transmission engine. We generally regard the parameters such as the horsepower, torque, and power consumption of the electric motor as the primary attention angle. We need to make it clear that the power of the electric truck motor is not as big as possible, but matches the actual scene of your operation. If the power is too large or too small, the operating efficiency of the motor will be greatly reduced. Matching a reasonable motor power is the most critical. If you choose a motor with a lower power, it is usually operated at full load, which will cause the motor to often work in an overloaded state. Not only will it waste electricity, but it will also affect the life of the three-electric system. If you choose a higher-power motor, however, it cannot be fully utilized in actual operation, and it often works in an under-load state. Not only will the efficiency become lower, but too low a load will also affect the life of the three-electric system.
The electric tractor truck battery pack is the same as the fuel tank and gas tank of our traditional vehicles, and it is the "module" of vehicle energy storage. It is usually composed of batteries, battery packs, BMS battery management systems, cooling systems, high and low-voltage wiring harnesses, protective casings, and other structural components. The types of batteries are roughly classified into several categories such as lead-acid batteries, nickel-cadmium batteries, nickel-metal hydride batteries, and lithium batteries (ternary lithium batteries, lithium iron phosphate batteries, and lithium manganate batteries). To put it simply, what we need to pay attention to is the two important data of the battery's energy density and unit volume weight. Under the same weight of the battery pack, the higher the energy density of the battery, the more electric energy it can store, and the longer the cruising range of the electric truck.Under the same energy density, which battery has the smaller volume and weight.Then the curb quality of the whole vehicle will be lower, and more goods can be pulled. Of course, when purchasing an electric dump truck, we should also pay attention to the safety attributes of the battery. We must not just look at battery parameters blindly, we should choose battery products from major manufacturers with precision insulation treatment, insurance design, high-temperature resistance, and other material applications.
Compared with motors and batteries, the electronic control system is the most complex, which consists of system modules such as a vehicle control system, motor control system, and BMS battery management system. As the central nervous system of the electric concrete mixer truck, the electronic control system is responsible for the reception and transmission of signal instructions from various parts of the vehicle.
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