Abstract
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.
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