Siemens Robicon Medium-Voltage Air-Cooled Drives Catalog D 15.1 • 2011 Germany Edition
Overview The reliable and complete range The benchmark when it comes to medium-voltage drivesystems Siemens is the undisputed No. 1 in medium-voltage drives andaround the globe sets the benchmark in this sector – and notonly involving power ratings and market share. Our range ofproducts is also unique worldwide: • All voltage classes from 2.3 to 13.8 kV • A seamless range of power ratings from 150 kW to 120 MW • All levels of dynamic response and performance • Single-motor drives and multi-motor systems • Harmonized and coordinated systems with synchronous andinduction motors • Motor speeds from 10 to 15,000 rpm in the Megawatt range The decisive plus when it comes to experience Everywhere where it involves the highest degree of availability,an uncountable number of users have been depending onmedium-voltage drives from Siemens since decades – and thatworldwide. The reason for this lies in the reliability of our drive systems thathas become almost legendary. And all of this didn’t just happenby chance – it is the result of our many years of experience, ourpower of innovation and our extensive know-how. • From 1969: Variable-speed medium-voltage drive systemswith current-source DC link • From 1970: Cycloconverters – with more than 700 drives,Siemens is the global market leader • 1994: The cell topology of ROBICON Perfect Harmony revolutionized medium-voltage drives • 1996: "Pioneered" the use of high-rating voltage-source DClink drives in rolling mills • 1998: "Pioneered" the use of high-voltage IGBTs for mediumvoltage drives • 2003: worldwide the highest rating high-speed drives(65 MW) with LCI for compressors of a gas liquification plant • 2005: Highest rating drive with voltage-source DC link drivesin a cell-type topology (65/45 MW) used in an LNG plant (LNG= Liquefied Natural Gas) Well-proven as basis Based on well-proven technological concepts, we are continually developing our medium-voltage drives. The result: Increasingly higher reliability and operational reliability and safety, continually more compact types of construction, continually lowerenergy requirement and service and maintenance costs as wellas increasingly simpler handling: from engineering through installation, integration and commissioning up to operator control. Always the optimum solution No matter which medium-voltage drive task is involved: We canalways offer the optimum solution. We consequentially utilize thestrengths of various technologies to implement these solutions.We have the widest range of drives technologies available: Fromcycloconverters and load-commutated drives using thyristorsthrough voltage-source DC link drives equipped with HV-IGBTsor IGCTs up to cell topology drives. With the latter, a mediumvoltage is obtained at the output by connecting low-voltage cellsin series.

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