目前变频空调压缩机大多采用感应电动机驱动，而感应电动机效率低，变频控制器比较复杂。
Presently, induction motor is mostly used for frequency-change air conditioner compressor, but it has such drawbacks as low efficiency and complicated controller.
本课题基于无位置传感器技术，对应用于空调压缩机的无刷直流电动机系统做了一定的理论分析并进行了设计与实验测试。
Based on sensorless technology, the thesis has done some analysis theoretically and designed and tested the system of BLDCM used on air-conditioning compressor.
所要解决的 技术问题是提供一种与车载发动机无关以电动机为动力的车用空调压缩机传动装置。
The technical problem to be solved is to provide a transmission device driven by a motor, and is used in vehicle air-conditioning compressors and irrelevant to vehicle-bone motors;
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