摘要:介绍了可编程序控制器技术和变频技术在交流桥式起重机控制系统中的应用与有关编程设计,并阐述了可编程控制器在实际应用中的一些注意事项。克服了传统的交流桥式起重机电动机与起动电阻容易烧损、电阻消耗大、效率低及调速不理想等缺点。
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