1. Application of power electronic technology in engine system. In addition to the original 28V and 14V accidents, the more commonly used power supplies in current automobiles have also added 42V series power supplies. Especially in hybrid vehicles, the driving voltage used has reached 288V.

2. Application of power electronic system in fuel injection device. The fuel injection device controlled by power electronics, its superior performance makes it widely used in the current automotive industry. The fuel injection device controlled by power electronics can maximize the working performance of the engine and ensure that the engine can effectively purify the air and save fuel when the engine is outputting power.

3. Electronic stability control system. The electronic stability control system has the characteristics of comprehensive functions, and various functions have been improved at the same time. The electronic stability control system is different from the ordinary control system. While controlling the driving wheels of the car, it can also effectively control the driven wheels.