一种中压电动机双电源自动切换控制策略  

A Control Strategy for Automatic Switching of Dual Power Supply of Medium Voltage Motor

作　　者：刘银东 Liu Yin-dong

机构地区：[1]国家能源集团宁夏煤业有限责任公司烯烃一分公司电气车间,宁夏灵武750411

出　　处：《电力系统装备》2020年第23期57-59,共3页Electric Power System Equipment

摘　　要：如何解决石油、石化等连续性生产企业母线故障时中压电动机电源点快速切换,尽快恢复生产,甚至不影响生产,是煤化工企业必须面临和解决的重要问题。为提高石油、石化等连续性生产企业中压电动机供电的可靠性,文章提出中压电动机两个电源点之间自动化切换的控制策略,并分析其可行性。How to solve the problem of rapid switching of the power point of the medium voltage motor when the busbar of continuous production enterprises such as petroleum and petrochemical enterprises is faulty,and to resume production as soon as possible,without even affecting production,is an important problem that coal chemical enterprises must face and solve.In order to improve the reliability of power supply of medium voltage motors in continuous production enterprises such as petroleum and petrochemicals,a control strategy for automatic switching between two power points of medium voltage motors is proposed and its feasibility is analyzed.

关 键 词：煤化工 中压电动机 双电源 自动切换 

分 类 号：TM346[电气工程—电机]