Development and testing of the backup bearing system for an AMB energy storage flywheel

被引：0
|
作者：
Hawkins, Lawrence [1 ]
McMullen, Patrick [1 ]
Vuong, Vinh [1 ]
机构：
[1] Calnetix inc, Cerritos, CA 90703 USA
来源：
Proceedings of the ASME Turbo Expo 2007, Vol 5 | 2007年
关键词：
D O I：
暂无
中图分类号：
V [航空、航天];
学科分类号：
08 ; 0825 ;
摘要：
A 140 kW energy storage flywheel has been developed to provide 15 seconds of ride-through power for industrial UPS applications. The flywheel, which operates in a vacuum, is supported by Active Magnetic Bearings (AMB) to minimize bearing losses, and has a high power motor/generator coupled to an efficient power conversion module. The backup bearing system was tested extensively due to the potential for very long spin down times in the event of a failure in or loss of power to the magnetic bearing system. Key issues encountered during testing are discussed and solutions identified. High fidelity orbit and time-history data from a full speed drop and spin down are presented and discussed in detail. The final backup bearing system is capable of three 2.75 hour spin downs from 36,000 rpm.
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收藏
页码：1055 / 1062
页数：8
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