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Mechanical vibration - Vibration of rotating machinery equipped with active magnetic bearings - Part 4: Technical guidelines
ISO 14839-4:2012:
a) indicates a typical architecture of an active magnetic bearing (AMB) system so that users can understand which components are likely to comprise such systems and which functions these components provide;
b) identifies the primary similarities and differences between AMB systems and conventional mechanical bearings;
c) identifies the environmental factors that have significant impact on AMB system performance;
d) identifies the operating limitations that are unique to AMB systems and defines standardized methods of assessing these limitations;
e) identifies typical mechanisms for managing these limitations, especially rotor unbalance;
f) provides considerations for the design and performance of touchdown bearing systems;
g) defines a typical signal set for provision in an AMB system for proper system/process interface as well as condition and diagnostic monitoring;
h) details current best practices for monitoring, operation and maintenance to achieve highest operational system reliability;
i) identifies typical fault-handling practices;
j) recommends inspection and preventive maintenance processes for AMB systems.
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