【摘要】 提出了大型塔机回转拖动系统中的实际问题,分析了造成大型塔机回转拖动系统运行不平稳的具体原因,针对不同的工况提出了不同的控制策略,保证了大型塔机回转的平稳运行,最后以变频调速回转拖动系统为例,进行了实际的工程测试,结果表明了所提控制策略的正确性.更多还原

【Abstract】 This paper presents the practical problems in the large tower crane rotary drag system,analyzed the specific reasons for the large tower crane rotary drag system is not running smoothly,proposed different control strategies in different condi ztions,to ensure the smooth running of a large tower crane rotary.Finally,as an example of the the VVVF rotary drag system,the actual engineering test results show that the correctness of the proposed control strategy.更多还原