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ABB为直流电机提供先进的DC驱动技术

2007年04月05日 12:07:00 中国传动网

2007-04-03 ――美国一位系统集成商表示:“我们最关心的是驱动器供应商没有为直流驱动器作出任何新的研发努力,只是固守十年前到二十年前的老产品,” ABB最新研发的DCS 800解决了这个问题,这是世界上一款最先进的直流驱动器。
系统集成商SDS公司与美国一家龙头造纸厂签订协议,为其设计一个驱动器解决方案以提高纵切机生产力和效率,该公司正在研究一个可以利用机器现存的直流电机和电力系统的尖端驱动器。 SDS公司高级应用工程师Craig Tierno解释道:“寻找一个像ABB这样不断创新直流电机技术的供应商是项目成功的关键。” 直流电机在整个北美广泛应用。其寿命长,为了获得高性能的交流驱动器带来的效益客户不愿花费高额成本丢弃直流电机,Tierno 说,“如果有一个更经济的方法,客户就想要听到这个方法。” ABB公司推出的DCS800驱动器于2005年在欧洲投放市场,该驱动器与市场领先的交流驱动器拥有同样的使用设备和选择,将最具用户友好的特性与无限可测量性和市场最优良的功能大小比相结合。 关键设备 纵切机是造纸过程中关键的设备。该设备将新造出的大纸卷切短,再将其重绕至小的更容易处理的纸卷。纵切机出现任何问题都将导致整个造纸线停止。
纸卷的质量在很大程度上都由驱动器的性能所支配,驱动器性能出现较小的错误就可引起如纸张破裂,毛边,纸张压缩,偏移—导致停工,不合格卷纸和利润降低。 通过在浮动滚子上安装DCS800四个现存的直流电机,两个新型ACS800驱动器和两个15马力的电机,SDS设计了一个方案达到了客户的目标:提高了卷轴质量,将机器速度提到最高水平并减少成本。 SDS公司高级销售专家John Parker表示:“我们非常高兴得到ABB公司的产品和支持,目前,我们有八个造纸项目,这八个项目中我们都选用了ABB驱动器:ACS800, DCR800新式驱动器和DCS800” original text [COLOR=#708090]Advanced ABB DC drive technology is the answer for DC motors 2007-04-03 - “Our biggest concern is that drive suppliers are not doing anything new with DC drives; they‘re sitting on products that are 10-to-20 years old,” says a U.S. systems integrator. ABB‘s new DCS800 – the most advanced DC drive in the world – is the answer. Contracted by a leading U.S. paper mill to design a drives solution to increase the productivity and efficiency of a slitter-rewinder machine, systems integrator SDS Inc. was searching for a cutting-edge drive that would utilize the machine‘s existing DC motors and power system. “Finding a supplier like ABB which continues to innovate new technology for DC motors was vital to the success of the project,” explains Craig Tierno, senior application engineer for SDS. DC motors are widely used throughout North America. They have a long life, and customers are not keen to rip them out at great cost in order to get the benefits of high-performance AC drives. “If there is a more cost-effective method, customers want to hear about it,” says Tierno. Launched in Europe in 2005, ABB‘s DCS800 offers the same tools and options as its market-leading AC drives, and combines best-in-class user-friendliness with unlimited scalability and the best power-to-size ratio on the market. Critical equipment The slitter-rewinder is a critical piece of equipment in the papermaking process. It cuts huge rolls of newly made paper into shorter lengths and rewinds them into smaller, more manageable rolls. Any problem at the slitter-rewinder can bring the entire paper line to a halt. The quality of the roll is governed largely by the performance of the drives. Minor inaccuracies in drive performance can cause defects like sheet breaks, rough edges, telescoping, offsets and tie-ups – resulting in downtime, rejected rolls and lost profit. By equipping the four existing DC motors with DCS800 drives and installing two new ACS800 drives and 15 horsepower motors on the machine‘s rider rolls, SDS designed a solution that achieved the customer‘s targets: improved roll quality, increased machine speed to the highest possible level, and the elimination of costly shutdowns. “We are pleased with the ABB products and support,” says John Parker, senior sales engineer at SDS. “At the moment we have eight paper manufacturing projects in front us for which we are recommending ABB drives - either ACS800, DCR800 retrofit drives, or DCS800.”[/COLOR]
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