论文部分内容阅读
BZ80—2.5Z矿用隔爆型电钻变压器综合装置,是近年来在我国煤矿井下推广使用的一种新产品。作为对井下127V煤电钻进行供电、控制和保护的综合电气设备,该产品不仅具有体积小、重量轻的特点,而且保护齐全,动作可靠,能保证运行区域的用电安全。综合装置对127V三相电网的短路故障,屏弃了传统的熔断器和电子继电器的保护方式,而采用了载
BZ80-2.5Z mining explosion-proof drill transformer integrated device is in recent years in China to promote the use of coal mine a new product. As a comprehensive electrical equipment for power supply, control and protection of underground 127V coal electric drill, the product not only has the characteristics of small size and light weight, but also has complete protection and reliable operation, which can ensure the safety of electricity consumption in the operation area. Integrated device on the 127V three-phase power grid short circuit failure, abandoned the traditional fuse and electronic relay protection, and used the load