非工频控制的低压电器选择

摘要

Based on the structural features of popular low-voltage electrical appliances, this paper analyzes the impact of the non-frequency operation on the current rating, breaking capacity, overload and short circuit protection performance of low-voltage electrical appliances, and proposes the methods for the selection of low-voltage electrical appliances with non-frequency control.%本文根据常用低压电器的结构特征，分析了非工频运行对低压电器额定电流、通断能力、过载和短路保护性能的影响，提出了非工频控制的低压电器选择方法。