Control circuit and method for controlling alternating current contactor by using direct current voltage
A technology of AC contactor and DC voltage, which is applied in the direction of circuits, relays, electrical components, etc., can solve the problem of large pull-in current loss, achieve the effects of reduced current loss, no noise, and avoid changing the structure of the AC contactor
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[0041] Next, the technical solutions in the embodiments of the present invention will be apparent from the embodiment of the present invention, and it is clearly described, and it is understood that the described embodiments are merely embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, there are all other embodiments obtained without making creative labor without making creative labor premises.
[0042] The present invention provides Figure 4 - Figure 8 A control circuit that uses a DC voltage to control an AC contactor, such as Figure 4 As shown, a power conversion allocation circuit 10 is configured to convert an alternating current to a first DC voltage V1 and a second DC voltage V2 and send it to an AC contactor coil input by high voltage DC 20 and low voltage DC circuits; The power conversion allocation circuit 10 includes a rectifier ZM1 for a direct current filtering of the AC reunion filter; in this embodime...
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