We all know that BYD will launch the new "Han" new energy medium and large sedan this year. Officially announced that the car can accelerate from 100 kilometers to 100 kilometers in 3.9 seconds, successfully entering the "3-second club" of global mass-produced cars. "Among them. So the question is, how did BYD Han create this speed of 3.9 seconds?
Recently, officials finally solved this mystery.
In addition to the excellent aerodynamic design with a drag coefficient of 0.233, BYD Han’s three core components boost its 3.9-second acceleration performance, including high-performance silicon carbide MOSFET motor control modules, high-power discharge functions and full Electric four-wheel drive system.
What is a high-performance silicon carbide MOSFET motor control module? Officials stated that BYD Han drive motor speed can reach an astonishing 15,000 rpm. The core component of the motor controller uses BYD's independently developed high-performance silicon carbide MOSFET motor control module. The advantage of this module is to reduce internal resistance and increase electronic control. The overcurrent function of the system maximizes the power and torque of the motor.
Excellent motor components also need the support of discharge speed. BYD Hanjiang adopts a high-voltage platform design and is equipped with a new lithium iron phosphate "blade battery pack" with an output voltage of up to 570 volts. With the cooperation of an advanced thermal management system, the peak current can reach 800A, which can achieve a total power of 363 kilowatts for the front and rear motors. Output value.
The four-wheel drive system plays a vital factor in acceleration. The configuration of front and rear motors gives BYD Han a full-time electric four-wheel drive mode, which can realize automatic distribution of axle loads. The power of the rear axle drive motor is slightly larger than that of the front axle drive motor, and the power distribution of the front and rear axles is very appropriate.
Master Jiao’s comment:
The launch of BYD Han will become a new pattern maker for medium and large pure electric products in China and even the world. At the same time, can BYD’s lithium iron phosphate blade battery take advantage of this new product It's an instant hit, let's wait and see.
This article comes from the author of Autohome Chejiahao and does not represent the views and positions of Autohome.