低功耗欠电压脱扣器的设计  

Design of the Low-Power Under-Voltage Release

作　　者：秦海 张鹏宇 宋福归 卜浩民 

机构地区：[1]上海良信电器股份有限公司,上海200137

出　　处：《电气技术》2013年第9期94-95,103,共3页Electrical Engineering

摘　　要：探讨了万能式断路器欠电压脱扣器在启动及工作状态时,采用双绕组线圈和恒流源电路等技术,降低待机状态保持线圈工作电流,来实现欠电压脱扣器在工作状态的低功耗设计。该电路设计方案具有高灵敏度、高可靠度及低功耗的特点。Investigation was made to the Under-Voltage Release of the Universal Circuit Breaker in the start-up and working condition,using double winding coil and the constant current source circuit technology,which reduced the holding coil current,to achieve the design of the Low-Power Under-Voltage Release.The circuit design has high sensitivity,high reliability and low power consumption.

关 键 词：低功耗 恒流源电路 欠电压脱扣器 

分 类 号：TM561[电气工程—电器]