As one of the connections for three phase induction motor to operate from single phase supply, SEMIHEX connection can enable three phase induction motor have approximated symmetrical operation.
The feasibility and necessity of economic reasonable operation of symmetrical reciprocating double motor drive lifter are expounded, and analyzed with actual example.
阐述了对称往复式双机拖动提升机经济合理运行的可行性和必要性，并进行了实例分析。
3
The SPWM algorithm using symmetrical sample in this controller, can alter its frequency and amplitude. The good performance of the BLDC Motor controller using DSP is verified by the experiment.