兰州石化职业技术学院学报
蘭州石化職業技術學院學報
란주석화직업기술학원학보
JOURNAL OF LANZHOU PETROCHEMICAL VOCATIONAL COLLEGE OF TECHNOLOGY
2012年
2期
22-23
,共2页
塑料包装线%升降机%变频器%制动器%动态性能
塑料包裝線%升降機%變頻器%製動器%動態性能
소료포장선%승강궤%변빈기%제동기%동태성능
elevator%transducer%brake%dynamic performance
包装线设备对速度和定位要求较高,大量运用减速机和变频调速。塑料包装线码垛单元的升降机就是运用无传感器恒磁通矢量的恒转矩变频调速的提升设备。为了设备运行平稳和准确定位,运用多段变频调速和电磁制动器控制,由于原设计没有考虑制动器参数对变频器的影响,使得设备运行的动态性能较差;又由于制动器动作频繁,使设备故障率较高。在充分考虑上述缺陷的基础上,设计运用了ATV71变频器,使设备运行的动态性能改善,制动频次显著降低,设备故障率明显降低。
包裝線設備對速度和定位要求較高,大量運用減速機和變頻調速。塑料包裝線碼垛單元的升降機就是運用無傳感器恆磁通矢量的恆轉矩變頻調速的提升設備。為瞭設備運行平穩和準確定位,運用多段變頻調速和電磁製動器控製,由于原設計沒有攷慮製動器參數對變頻器的影響,使得設備運行的動態性能較差;又由于製動器動作頻繁,使設備故障率較高。在充分攷慮上述缺陷的基礎上,設計運用瞭ATV71變頻器,使設備運行的動態性能改善,製動頻次顯著降低,設備故障率明顯降低。
포장선설비대속도화정위요구교고,대량운용감속궤화변빈조속。소료포장선마타단원적승강궤취시운용무전감기항자통시량적항전구변빈조속적제승설비。위료설비운행평은화준학정위,운용다단변빈조속화전자제동기공제,유우원설계몰유고필제동기삼수대변빈기적영향,사득설비운행적동태성능교차;우유우제동기동작빈번,사설비고장솔교고。재충분고필상술결함적기출상,설계운용료ATV71변빈기,사설비운행적동태성능개선,제동빈차현저강저,설비고장솔명현강저。
Plant of packing has higher requirement on speed and orientation, so speed reducer used to regulate speed. Plastic packing for elevator uses transducer of sensorless vector. For running and location accuracy, the transducer and electromagnetic brake are used to regulate and transducer are reliable equipment speed. The original designer didn' t take the influence of brake parameter on transducer into account, which made dynamic performance worse. Brake run frequently, so the plant become the much high failure rate. After the transducer is used, designer think of these fault so that it makes the performance better. Brake of frequency is reduced a lot and failure rate is reduce a lot in the plant.