Ingenuity for Life Driving the Digital Enterprise SIMOTICS Active Magnetic Bearing Technology Intelligent bearing technology on a proven basis
Basic principle of Active Magnetic Levitation I S Electromagnet f x f G Rotor Displacement sensor Controller Power amplifier SIMOTICS AMB-Technology training device Page 2
Bearing axes and advantages of Active Magnetic Bearings drive end radial bearing (DE) axial bearing non drive end radial bearing (NDE) Advantages Contact-free levitation - high rotational speed Active damping - continuous speed range X Y Z Oil free - for environmentally sensitive areas Resistant to wear - less maintenance Frictionless - energy efficiency Rotor No gearbox needed - reduced foot-print Digitalization - condition monitoring 2 radial bearing axes for x- and y-direction 1 axial bearing axis for z-direction Page 3
Siemens approach: Magnetic bearing technology with off the shelf SINAMICS components SINAMICS drive family from machine tool applications > 500.000 axes sold per year Only software modifications required in drive hardware Torque motor Magnetic bearing stator Linear motor Very similar hardware Active magnetic bearing Similar control task Page 4
SIMOTICS AMB-Technology System overview + Back-Up Bearing (Schaeffler) Radial AMB Stator Standard <= 100m UPS Power cable Analog Digital DriveCliQ Eddy current sensor Sensor box at machine Page 5
SIMOTICS AMB-Technology System overview + Back-Up Bearing (Schaeffler) Radial AMB Stator Motor Inverter Internet UPS Power cable Analog Digital DriveCliQ Eddy current sensor Sensor box at machine Page 6
Unique features of SIMOTICS AMB-Technology Application of reliable Siemens standard electronics High power converter for robust and safe air-gap designs Fully qualified back-up bearings for safe operation Customized human machine interface and operating concept Easy purchasing and replacement of electronics worldwide Integrated operating and service concept with AMB controller cabinet and main converter of motor Page 7
SIMOTICS AMB-Technology automatically supplies valuable service-relevant operating data Run-up of a Rotor in AMB Rotor Speed [rpm] Rotor position (16.000 measurements per second) Bearing force (control current) Dynamic load (control voltage) Rotor Position [µm] Operating temperatures of the bearings Control Current [A] Time [s] Even small variations in the driver, the working machine and process are detectable Supports online remote monitoring, data-based service concepts and process optimization Simple integration into Siemens condition monitoring concepts Page 8
SIMOTICS AMB-Technology Integrated Drive Systems using compressor train example Motor, compressor, string and AMB expertise from one source Optimized mechatronic design Customization Faster engineering Integrated operating concept Simplified maintenance and service Compressor Double-end drive motor Compressor Technologically integrated solution for the entire compressor train Page 9
Success Story: Gas Production in Groningen Gas Field Siemens Synchronous Motor Siemens Compressor Siemens Compressor Page 10 Citation of Customer NAM: The performance of the 2ndStage-Drive-Train is far above our expectations. The availability of the total string in 2015 was 99,97%.
Thank you for your interest! Dr. Joachim Denk Product Manager PD LD AP DW EN PRJ Nonnendammallee 72 13629 Berlin Tel: +49 (30) 386-27605 E-mail: joachim.denk@siemens.com siemens.com Page 11