摘要
地面操纵变频调速起重机可以实现无级调速控制,整机采用 PLC 程序控制,提高系统可靠性,增加系统的故障自诊断功能。
cranes can be operated by frequency control of motor speed to achieve stepless speed regulation.The unit is controlled by PLC program with improved system reliability and improved system fault self-diagnosis function.
出处
《电工技术》
2002年第3期33-34,共2页
Electric Engineering
