Chain-slat conveyer delayed start control circuit and method
A control circuit and delayed start technology, applied in motor generator control, conveyor control device, starter of a single polyphase induction motor, etc., can solve the problem of undisclosed chain plate machine injury risk and other issues
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[0036] Such as figure 1 As shown in the figure, a delayed start control circuit for a chain-plate machine, the mining isolated reversing switch 11, the main contact 13 of the three-phase vacuum AC contactor, and the surge protector 15 are connected in series in sequence, and the mining isolated reversing switch 11 is connected with the three-phase Any two phases of the common part of the main contact 13 of the vacuum AC contactor connected in series are connected to the primary side input port of the mining AC transformer 12, and the secondary side of the mining AC transformer 12 has two outputs, and the first transformer output port 121 outputs 36V AC power, the second transformer output port 122 outputs 100V AC power.
[0037] Mine-used isolation commutation switch 11 is GHK-200A / 1140V switch. This type of switch has isolation function and can change the order of outlet terminals under no-load or load conditions to complete commutation.
[0038] The first emergency stop but...
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