Electric vehicles have now become the most common means of transportation, but little is known about how to maintain them. This time, the editor will take you into the core component of electric vehicles——the controller. The controller is the brain of the electric vehicle, controlling the motor’s start, operation, forward and reverse, speed, stop, and … Read more
Failure phenomenon: A “San’an” brand low-speed electric vehicle experienced a malfunction when the driver mistakenly disconnected the air switch controlling the main power supply while going downhill, causing the brushless DC motor to generate back electromotive force due to overspeed that could not be absorbed by the battery, resulting in damage to the controller due … Read more
The distributed battery management system of electric vehicles mostly uses a master control unit and several slave control units. Unlike most electric vehicle battery management systems that use a 12V battery for power supply, the BMS discussed in this article is directly powered by the power battery pack (total voltage of 72V). This not only … Read more