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MZD1系列交流制动电磁铁动作灵敏,可靠性高,但耗能大、线圈易损,有断电延时释放等现象。如能使电磁铁处于交流吸合、直流保持的工作状态,则能有效地克服电磁铁的缺点,提高性能。 根据这一原理,浙江永嘉罗浮固态开关厂研制成MJB系列节电保护器,作为专配MZDl系列电磁铁的附加器,收到了良好的效果。 1.MJB系列节电保护器工作原理 电磁铁(DT)与节电保护器配合使用的接线见图1。
MZD1 series AC brake electromagnet is sensitive and reliable, but its energy consumption is large, the coil is vulnerable, and there are phenomena such as delayed release of power and so on. If the electromagnet can be in the AC pull-in, DC to maintain the working state, it can effectively overcome the shortcomings of electromagnets, improve performance. According to this principle, Zhejiang Yongjia Luofu solid state switchgear developed MJB series of power saver, as a special MZDl series electromagnet attached, received good results. 1.MJB Series Power Saver works Electromagnetic (DT) and Power Saver with the wiring shown in Figure 1.