品牌:GE/通用电气 | 型号:IC693UAA007RR | 加工定制:否 |
工作电压:IC693UAA007RRV | 输出频率:IC693UAA007RRkHz | 产品认证:IC693UAA007RR |
塔式起重机是建筑工地上应用十分广泛的一种起重机械,传统的控制方式多采用交流绕线式电机串电阻的方法启动和调速,有如下劣势:
由于长期重载运行,频繁正、反转,冲击电流很大;
故障***,电机的滑环、碳刷及接触器经常损坏,接触器的触头烧毁、碳刷冒火、电机及电阻烧毁现象时有发生;
线路复杂,回转机构的轴承经常需要更换;
效率低,由于主卷扬机结构大多由两个电机工作在一个轴上,高速电机处于工作状态,则低速电机处于制动状态,始终处于一个工作、一个制动的矛盾中;
安全系数低,在由快速向慢速转换时机械冲击大,经常发生打齿现象,曾经会出现货物已经定位,工人已经扶住缰绳,再由快速向慢速切换时,发生打齿现象,慢速电机制动失灵,非常危险,偶尔也会出现折轴的现象,故障率较高,对生产影响大;
维修量及维护费用也很高,由于异步电机有着无可伦比的优点;结构简单坚固、价格便宜、易于维护,因此采用变频器拖动三相异步电机的控制方式取代传统调速方式,可以从根本上解决天车故障***的问题,而且技术***、节能***,是塔式起重机理想的传动控制装置。四方电气凭借多年积累的起重行业应用经验,基于V560高性能变频器,提出了一套性价比较高,适合市场要求的控制方案。
⊙、联 系 人:黄女士
⊙、销售热线: 0592-6809319/18030265259
⊙、产品状态(Product status)
现货/订货(Spot / order)
⊙、价 格(Price)
面议 (是否含17%增值税)
negotiable(Whether or not containing 17% value-added tax)
⊙、销售服务(marketing service)
现货/订货免费配送至全国各地。
spot / order Department of logistics distribution
⊙、产品质量(product quality)
质保一年,产品严格的测试和认证
One year warranty,Strict product testing and certification
⊙、我们的优势(our advantage)
专业销售、高品质信誉、交货期快、价格实惠、服务效***。
Professional sales, high-quality reputation, fast delivery, affordable, service with high efficiency
⊙、销售的产品型号:
Sales of the product module
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