提出了一种基于ARM单片机的直流塑壳断路器的电子式脱扣器的设计方法,其中使用霍尔电流传感器检测直流信号,介绍了软硬件的组成、原理和实验结果,并实现了全电子式三段式直流断路器的保护功能.具有精度高,整定方便,可以通讯的特点是以实现智能电网的新一代电子脱扣器.%Hall current transformer was used to monitor the primary direct current,to achieve LSI (overload,short and instantaneous protection) protection with by electric trip unit in direct current breaker,the breaker has the advantage of high accuracy,easy to set-ting parameter,compared to traditional thermal magnetic breaker,it is a new generation breaker will be communicated with PC to build up intelligent distribution network.
展开▼
