What is the 48V Mild Hybrid System?
1 Answers
48V mild hybrid system refers to a hybrid system with a voltage of 48V, which replaces the traditional lead-acid battery with a power-type lithium-ion battery and substitutes the conventional starter motor and generator with a BSG motor. In addition to the automatic start-stop function, it can also provide auxiliary power when necessary. Below is an introduction to the 48V mild hybrid system: 1. Functions: (1) The 48V mild hybrid system increases the voltage from the original 12V electrical system of traditional vehicles to 48V. With the addition of components such as motors and battery packs, it can assist in vehicle propulsion and store and recover electrical energy. (2) The 48V system has a large battery capacity and high motor power. During vehicle start-up and brief stops, the 48V system's powertrain can operate in pure electric drive mode, avoiding the most fuel-consuming idle phase during the start-up of fuel-powered vehicles. 2. Advantages: (1) After optimizing engine start-stop, acceleration, braking, and other conditions, the 48V mild hybrid system significantly improves fuel efficiency. (2) The 48V system bridges the gap between traditional internal combustion engine vehicles and pure electric vehicles. Since installing a 48V system does not require extensive hardware modifications or rewiring, the installation cost is relatively low. (3) Vehicles equipped with a 48V mild hybrid system feature a 48V motor around the engine. This motor can start the engine and generate electricity while the engine is running. Using a 48V mild hybrid system can enhance the fuel efficiency of the vehicle.
