Editorial Team - everything PE
Dec 20, 2023
Peak power or maximum power is the highest output power of an e-axle that can deliver for short durations, typically a few seconds or less. It represents the electric axle's ability to handle brief bursts of high load or acceleration, such as during rapid acceleration or climbing steep hills. Peak power is important for achieving high acceleration and top speed, but it's not sustainable for continuous operation. It is a fundamental variable that affects the acceleration, top speed, and overall performance of an electric vehicle. The peak power of electric axles plays a crucial role in designing and determining the efficiency of EVs. It is influenced by various factors, including the electric motor's characteristics, voltage, and current ratings.
The peak power is reached when the electric axle operates at its maximum voltage and current ratings. This can be expressed as:
where,
Torque and power curves of the motor of an EV
Factors Affecting Peak Power
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