Winding switching device and control method for multi-winding motor
A technology of motor winding and control method, applied in the direction of AC motor control, control system, electrical components, etc., can solve the problems of poor overload capacity, electric control mechanical contact switch arc ignition, low price, etc.
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[0032] In order to make the purpose, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.
[0033] see figure 1 , figure 2 and image 3 , figure 1 It is a flowchart of an embodiment of a multi-winding motor winding control method disclosed in the present invention, figure 2 It is a schematic diagram of a multi-winding motor winding control method disclosed in the present invention, image 3 It is a structural schematic diagram of a multi-winding motor winding switching device disclosed in the present invention.
[0034] A winding control method for a multi-winding motor, comprising sequentially performing the following steps:
[0035] S1. Obtain the coincidence point of the T-N winding characteristic curve corresponding to the current running winding and the T-N winding characteristic curve corresponding to the winding to be replaced when the cur...
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