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Screw compressor efficiency increased using synchronous- reluctance drive systems

Synchronous- reluctance drive systems

Screw compressor efficiency increased using synchronous- reluctance drive systems

Synchronous- reluctance drive systems

Machine Building

Kaeser Kompressoren SE, Carl-Kaeser-Straße 26, 96450 Coburg

Coburg,

Germany

Increase system efficiency in the partial load range by 8 to 10 %
Develop a harmonized and coordinated drive system for high efficiency, variable-speed operation
Create a new control model for motor frequency converters
Shorten commissioning times and good serviceability
Create an environmentally friendly product that can also be easily recycled

Kaeser Kompressoren SE, Coburg, wanted to maximize the energy efficiency of their screw compressors, especially in the partial load range, and therefore reduce power costs for end users.

An innovative and highly efficient drive system comprising SIMOTICS GP synchronous-reluctance motors and SINAMICS G120 converters for variable-speed operation
Harmonized drive system comprising motor and converter for perfect controllability and simple commissioning

System efficiency is increased by 10 % – especially in the partial load range
Perfect controllability as a result of the harmonized and coordinated drive system
Simple commissioning with motor code
High degree of compactness, lower envelope dimensions – therefore saving space
Easy service and better environmental compatibility by eliminating magnetic materials

Kaeser Kompressoren SE, Carl-Kaeser-Strasse 26, 96450 Coburg, compressed air systems: Compressors, compressed air distribution and compressed air processing

Completion 2018

Kaeser Kompressoren SE, SIMOTICS SD, Drive system for screw blowers

Completion 2017

Maximum energy efficiency in machinery construction

Completion 2016

M.C.M. - Flow pack wrapping machine M254, SIMOTION D425 and SIMATIC S7-1200

ID: 1337D39863650D9ECD79947A11EEEA2C