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First use of Sinamics SL150 cycloconverters for grinding mills: Siemens to modernize ore mill drive for copper producer Quadra FNX
Installation of a Sinamics type SL150 cycloconverter is the centerpiece of the modernization of the ore mill in the Robinson Mine. The Simine Mill GD solution concept for gearless mill drives and twin-pinion mills enables analog or early digital control systems to be replaced without also having to replace the motor or transformers. Particularly in retrofitting projects, the control system of a cycloconverter can be replaced while retaining the power unit.
The converter and associated automation equipment are pre-assembled in a container module (e-house). The scope of supply from Siemens also includes a diagnostics system, as well as operating data acquisition and remote service feature. These give the maintenance personnel a continuous, up-to-date overview of the relevant plant parameters. Unplanned shutdowns can be reduced to an absolute minimum and maintenance intervals can be adjusted to actual requirements, thus cutting maintenance costs. Siemens is responsible for hardware and software engineering, installation supervision and commissioning, and adaptation of the automation equipment. Siemens Industrial Inc. will handle a large part of the project directly in the USA.
Quadra FNX Mining Ltd. was created in May 2010 by the merger of Quadra and FNX Mining and is one of North America's leading copper producers. The company runs a number of ore mines in Chile, Canada and the USA, as well as development projects in Chile and Greenland. The Robinson open-cast copper and gold mine in Nevada was bought by Quadra from BHP Billiton in 2004.
Further information about solutions for the mining industry can be found at http://www.siemens.de/mining
The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility und Osram. With around 207,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2009 total sales of approximately €35 billion. http://www.siemens.com/industry
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