What Does Plug-in Mean?

[GavinFitz]

Plug-in refers to the driving method of a vehicle. Plug-in vehicles can use a plug to connect to a regular power source to charge the battery, and they are equipped with both an electric motor and an engine. Below is an introduction to the types of plug-in hybrid electric vehicles: 1. Series Plug-in Hybrid Electric Vehicle (PHEV): Also known as a range-extended electric vehicle. The engine does not directly drive the vehicle; instead, it first drives a generator to produce electricity, which then powers the electric motor to drive the vehicle. This results in a longer energy transfer chain and relatively lower overall efficiency. 2. Parallel Plug-in Hybrid Electric Vehicle (PHEV): In this type, both the engine and the electric motor can drive the vehicle. It offers multiple power transmission modes, better dynamic performance, a simpler structure, and is widely used, making it the mainstream technical route. 3. Power-Split Plug-in Hybrid Electric Vehicle (PHEV): Also known as a hybrid series-parallel PHEV. It typically requires two motors (one generator and one electric motor) and a planetary gear set for power splitting.