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Three-phase motor phase failure protection circuit diagram

2016-09-03 22:40  
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Three-phase motor phase failure protection circuit diagram
The circuit is composed of general purpose integrated operational amplifiers. The circuit is shown as above. It can be used in a variety of three-phase motor phase protections. IC uses a typical general-purpose integrated operational amplifiers, such as 5G24, BG305, FC4, F006, XFC77 or other foreign products μA741 etc. The relay J can use DC l2V operating voltage, the DC resistance is 200Ω DC relay.