YCT Series Electromagnetic Adjustable Speed Asynchronous motor (abbreviated from henceforth as A.S. motor) is a simple and reliable variable speed device, it consists of a squirrel cage induction motor, an electric slip coupling (hereinafter referred to coupling) and a controller. It is especially suited to constant-torque load applications: especially suitable used for fan, blower and pump.
The A.S. motor can be continuously and smoothly adjusted with in the specified speed range and output the rated torque. The output speed can be held nearly constant by automatically changing the coupling excitation based on the action of negative feedback of the controller whenever the load varies. This adjusting method is much simple, more positive and economical than other means.
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