【摘要】 介绍了新技术—变频调速控制系统,阐述该技术在门机旋转、变幅机构上应用的可行性及技改前后的优缺点,论证其具有一定的技改价值。更多还原

【Abstract】 This article introduces the new technologyinverter vary-speed control system, states the feasibility for the application of this technology on slewing& luffing system of port crane, and analyzes the advantage and disadvantage before and after alternation,Demonstrates this application as its definite value or technical alternation.更多还原