ia等级电源中的熔断器再保护电路设计

Design of re-protection circuit of fuse in power supply with grade ia

分析了在瓦斯抽放管道设备ia等级电源串联限流电路中设计熔断器的必要性,提出了一种熔断器再保护电路设计方案,详细介绍了再保护电路的特点与设计注意事项。

The paper analyzed necessity of fuse design in series current limiting circuit of power supply with grade ia of gas drainage pipeline equipment,proposed a design scheme of re-protection circuit of fuse,and introduced characteristics and design attention of the re-protection circuit in details.