Test unit for gas dynamic tests of low consumption stages of centrifugal compressors
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An experimental test unit is created for studying low-consumption stages of centrifugal compressors with a rotor magnetic suspension system (MSS) and a torsional moment transducer. In addition, this unit makes it possible to perform MSS studies in the area of functional construction, analysis and synthesis of dynamic characteristics of the rotor-MSS system. The rotation speed of the model rotor is 1000–25000 rpm. In order to reduce the loss of power in bearings, a rotor magnetic suspension device is used, developed and manufactured in the V. B. Shnepp Turbocompressor Research Institute. The torsional moment transducer, installed in a coupling between the set-up gear and the bearing support, provides the possibility of measuring power in the impeller shaft with compression of the working gas.
KeywordsTest Unit Automatic Control System Centrifugal Compressor Magnetic Suspension System Automatic Monitoring System
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