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Views: 0 Author: Site Editor Publish Time: 2023-09-08 Origin: Site
The electric truck has entered our life unconsciously, from the beginning of the motor replacement engine to the current full set of the pure electric power chain. Pure electric is not just about changing the engine, electric truck has three main components. Electric trucks use electric motors instead of traditional diesel/gasoline engines, and batteries instead of fuel to power the motors. Next, let's take a look at the technical introduction of electric tractor truck core components.
Here is the content list:
l The electric control system of an electric truck is an important part.
l The drive motor of an electric truck is the "heart".
l The electric truck battery is a kind of energy source.
The electronic control system consists of a battery management system and a control system, that manages the battery, controls the energy output of the battery, and adjusts the motor speed. With the continuous development of technology, electric trucks have evolved from the simple and rude replacement of motors to vehicle control systems (VCU), battery management systems (BMS), motors, etc. The electronic control system is the key to ensuring the normal operation of the vehicle, and the electronic control system is the brain of the electric dump truck. It consists of various subsystems, and each subsystem generally consists of sensors, signal processing circuits, electronic control units, control strategies, actuators, self-diagnostic circuits, and indicators. In different types of electric trucks, there are certain differences in the electrical control systems. But it generally includes an energy management system, regenerative braking control system, motor drive control system, electric power steering control system, powertrain control system, etc. The functions of each subsystem are not simply superimposed, but integrated to realize the control of the electric truck.
The drive motor drives the wheels from the electric truck power supply. The motor converts the electrical energy of the power supply into mechanical energy and directly drives the wheels and working equipment through the transmission or transmission. Electric trucks are characterized by frequent starting, accelerating, decelerating, and stopping. High torque is required at low speeds or when climbing hills and low torque is required at high speeds. The speed range of the motor must be able to meet the requirements of the vehicle from zero to speed, that is, the motor is required to have high specific power and power density.
Another important component of an electric concrete mixer truck is the battery. For electric trucks, batteries are the source of continuous power supply. Therefore, the basic requirements of electric trucks for batteries are summarized as follows:
1. The reliability of the battery meets the requirements for electric truck use.
2. The battery life is long, and the number of deep discharge cycles meets the requirements of electric trucks.
3. The charging time is short, the battery volume and quality are small, and the environment adaptability is strong.
4. During the use of the battery, the health status of a single battery changes consistently, which will not affect the overall performance.
5. The power density and energy density of the battery are high, there is no environmental pollution problem, and the cost is low.
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