PC-level dual-power source automatic change-over switch
A technology of automatic transfer switch and dual power supply, which is applied in the direction of electric switch, emergency power supply arrangement, power device inside the switch, etc., which can solve the problems of increasing the power consumption of the transfer switch, increasing the circuit resistance, and inconvenient assembly, etc. Effects of Power Dissipation, Avoidance of Simultaneous Closures, Avoidance of Possibilities
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[0024] As shown in the figure, the PC-level dual-power automatic transfer switch of the present invention includes a base plate 14 and a contact system, a transmission mechanism, a rectifier and an intelligent controller 9 installed on the base plate 14. The contact system consists of three single-phase contacts. The head unit is composed of stacked front and back, the transmission mechanism is set between the contact system and the intelligent controller 9, the transmission mechanism is controlled and driven by the motor 8, and the rectification device is located on the side of the transmission mechanism. The rectification device includes a piezoresistor 10 and a one-way transformer 12 , rectifier bridge 11 and common-mode suppression coil 13, the common and standby power supplies of each phase are connected to the input terminals of respective unidirectional transformers 12 respectively, and the AC220V is transferred to AC24V, and then the AC24V power supply is transferred to ...
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