The invention provides a power control method and device, and relates to the technical field of power electronics. The method comprises the steps that after the OBC works for a first duration at first power, the current working temperature of each device in a plurality of devices forming the OBC is detected, and according to the comparison result of the current working temperature of each device in the plurality of devices and a first temperature threshold value, the OBC controls the working power of the OBC. In different heat dissipation environments, the OBC controls the working power of the OBC according to the current working temperature of each device forming the OBC, so that the current working temperature of each device does not exceed the first temperature threshold, the OBC is prevented from being shut down, and the charging efficiency is improved.
本申请提供一种控制功率的方法及装置,涉及电力电子技术领域。其中,该方法包括OBC以第一功率工作第一时长后,检测组成OBC的多个器件中各个器件当前的工作温度,OBC根据多个器件中各个器件当前的工作温度与第一温度阈值的比较结果,OBC对OBC工作的功率进行控制。本申请在不同散热环境下,通过根据组成OBC的各个器件当前的工作温度,使OBC控制OBC工作的功率,以使各个器件当前的工作温度不超过第一温度阈值,进而避免OBC关机,提高充电效率。
Method and device for controlling power
一种控制功率的方法及装置
2022-06-10
Patent
Elektronische Ressource
Chinesisch
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