Kinetic energy buffering SINAMICS S120 booksize S120 Cabinet Consulting/ Know-how The challenge: • For dynamic reversing operations in single-axis and multi-axis systems, reuse the kinetic energy available in the system Common DC link bus Functions Customer advantages: Servo presses, in addition, up to 10% energy saving when compared to previous solutions with ALM Lower line power peaks and optimized power costs Minimized energy losses through kinetic energy buffering Brief power failures are buffered Hardware Design Unrestricted / © Siemens AG 2015. All Rights Reserved. Page 6 2015-09-24 Planning S120 Booksize S120 Booksize S120 Chassis Compact Software The solution: • SINAMICS S120: Energy balancing via the common DC link • Additional motor module connected to the common DC link, including motor connected as kinetic energy storage device (flywheel) • Only excess energy is fed back into the line supply S150 Cabinet Energy balancing Engineering Power drawn Power fed back into the line supply (energy recovery) Infeed Module Motor Modules 1PH8 motor as energy storage device Execution Services
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