What is the principle of hybrid electric vehicles?
2 Answers
The principle of hybrid electric vehicles is: the fuel engine and electric motor in the vehicle work simultaneously to provide energy for the car, driving it forward. Examples of hybrid electric vehicles include the Lexus ES300h, Buick LaCrosse eAssist, BYD Qin, Honda Accord Hybrid, and Toyota Camry Hybrid. Taking the 2020 BYD Qin Long Range Luxury Edition as an example, it is a compact car with body dimensions of 4675mm in length, 1770mm in width, and 1500mm in height, with a wheelbase of 2670mm. The 2020 BYD Qin Long Range Luxury Edition is equipped with a permanent magnet synchronous motor, with a total motor power of 100kW and a total motor torque of 180Nm.
I've been driving a hybrid car for several years now, and I find its working principle quite intuitive. The car has both a gasoline engine and an electric motor, which switch between each other based on road conditions. For example, in city traffic jams, the electric motor drives alone with the engine off, making it quiet and fuel-efficient; during acceleration or uphill climbs, both power sources work together; at steady speeds, the engine takes the lead. Regenerative braking is my favorite part—it converts kinetic energy into electricity to recharge the battery when braking, reducing energy waste. This system significantly lowers fuel consumption. My old gasoline car used to cost me half more in monthly fuel expenses, but now I save a lot every year. The battery requires regular checks, but overall it's reliable, and the driving experience is much smoother.