A number of detected electric elements are series and an electronic detective circuits are adopted in the critical current detector for JRT thermal overload protector.
JRT型热过载保护器临界电流检测仪采用多受检器件串联及电子变换检测线路，提高了保护器大规模生产的效率和检测的准确度。
Based on the selected overload protection model, a thermal protector with single-chip is designed in this paper.
在确定了热过载保护模型的基础上，本文设计了一个智能型热过载继电器。
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