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CONTROL METHOD AND CONTROL DEVICE FOR VARIABLE FREQUENCY AIR CONDITIONER, AND VARIABLE FREQUENCY AIR CONDITIONER
CONTROL METHOD AND CONTROL DEVICE FOR VARIABLE FREQUENCY AIR CONDITIONER, AND VARIABLE FREQUENCY AIR CONDITIONER
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机译：变频空调的控制方法和控制装置以及变频空调
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摘要
A control method and a control device for a variable frequency air conditioner, and a variable frequency air conditioner. The control method for the variable frequency air conditioner comprises: determining, according to an outdoor environment temperature Tao, a target frequency f of an air conditioner operation; determining a relationship between the target frequency f and a winding demarcation point frequency f4 of an electric motor of an air conditioner compressor; determining, according to the relationship between the target frequency f and the winding demarcation point frequency f4, a motor winding mode and an oil return stall policy of the air conditioner; and inserting an oil return stall platform twice in a process in which an air conditioner frequency is adjusted to the target frequency f from the winding demarcation point frequency f4. The control method for the variable frequency air conditioner can combine a target frequency f of an air conditioner with the state switching of a coil winding and the oil return control of the air conditioner, implementing the fine control over the operation of the air conditioner, and improving the operating energy efficiency of the air conditioner.
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