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论述了变频调速技术在塔式起重机起升机构中的应用,对变频器和PLC变频调速控制系统进行了全面分析,得出了变频器在塔式起重机使用中的选型要求。
The application of VVVF technology in tower crane hoisting mechanism is discussed. The frequency converter and PLC VVVF control system are analyzed comprehensively, and the selection of VFDs in the tower crane is obtained.