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Mobile Flywheel Energy Storage Systems: Determining Rolling Element Bearing Loads to Expand Possibilities

机译：移动飞轮储能系统：确定滚动轴承的载荷以扩大可能性

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摘要

Efficient energy storage is the key to modern hybrid or zero emission vehicles and low carbon mobility in general. Compared to conventional storage technologies like batteries, flywheel energy storage systems (FESSs) offer various theoretical advantages, such as high cycle life, no capacity fade over time, temperature independence, easy determination of state of charge, and complete recyclability. However, the special operating conditions of FESSs-such as vacuum, high rotational speeds, and high gyroscopic reactions, etc.-make bearing design a complex and crucial endeavor. This article describes methods of determining loads for rolling element bearings in automotive FESSs. An overview of FESS technology is given, followed by the discussion of an analytic, numeric, and empiric approach, including a detailed comparison of the different methods. Furthermore, the concept of a test bench investigating flywheel behavior in a resilient mount is described, and its results regarding the design of an FESS-tovehicle mount are discussed in depth.
机译：高效的能量存储是现代混合动力或零排放汽车以及低碳机动性的关键。与电池等常规存储技术相比，飞轮储能系统（FESS）具有多种理论优势，例如，循环寿命长，容量不会随时间推移而衰减，温度独立，易于确定充电状态以及完全可回收。然而，FESS的特殊工作条件，例如真空，高转速和高陀螺反应等，使轴承设计变得复杂而关键。本文介绍了确定汽车FESS中滚动轴承的载荷的方法。概述了FESS技术，然后讨论了解析，数值和经验方法，包括对不同方法的详细比较。此外，还介绍了用于测试弹性安装座中飞轮性能的测试台的概念，并深入讨论了有关FESS车载安装座设计的结果。

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