What are the performance indicators of new energy vehicles?
2 Answers
New energy vehicles have the following performance indicators: High voltage: Within the allowable range, high voltage should be used as much as possible to reduce the size of equipment such as motors and wires, especially to lower the cost of inverters. Compact size and lightweight: The motor can be made lighter by using aluminum alloy shells, and lightweight materials should also be used for various control devices and cooling systems as much as possible. Speed regulation function: High starting torque and a wide range of speed regulation performance are required to meet the power and torque needs for starting, accelerating, driving, decelerating, and braking. The motor should have an automatic speed regulation function to reduce the driver's control effort, improve driving comfort, and achieve the same control response as the throttle pedal in internal combustion engine vehicles.
The core performance indicators of new energy vehicles mainly include five aspects: driving range determines how far you can go on a single charge, and for urban commuting, it is recommended to choose a range of over 400 kilometers; fast charging capability is particularly important, with models supporting an 800V high-voltage platform capable of charging to 80% in 30 minutes; power performance depends on motor power and torque output, directly affecting the 0-100 km/h acceleration capability; battery cycle life impacts long-term usage costs, with current mainstream ternary lithium batteries generally supporting 2000 charge-discharge cycles; safety performance focuses on the thermal runaway protection technology of the battery pack. When selecting a vehicle, additional details such as winter range attenuation rate and energy recovery efficiency should also be considered.
