Design of a Small High-Energy Storage Flywheel Battery Based on a Higher Voltage Environment

本文对飞轮电池原理进行了阐述，并对飞轮电池的重要组成部分进行了分析与设计，对飞轮转子和飞轮转轴进行了应力分析和强度校核。本文设计的飞轮电池最大储能量为20,000 KJ，转速在40,000~50,000 r/min之间。为达到设计需求，本文对飞轮转子的许用应力和飞轮转轴的许用扭矩及材料选用进行了分析计算，为了减少飞轮电池内部的能量消耗，对飞轮电池的集成电机、磁轴承系统以及内部容器环境条件进行了分析设计，完成了飞轮电池的设计。In this paper, the principle of the flywheel battery is summarized, and the important components of the flywheel battery are analyzed and designed, and the stress analysis and strength check of the flywheel rotor and flywheel shaft are carried out. The maximum energy storage capacity of the flywheel battery designed in this paper is 20,000 KJ, and the speed is between 40,000~50,000 r/min. In order to meet the design requirements, the allowable stress of the flywheel rotor and the allowable torque and material selection of the flywheel shaft are analyzed and calculated, and the integrated motor, magnetic bearing system and internal container environmental conditions of the flywheel battery are analyzed and designed, in order to reduce the energy consumption inside the flywheel battery, and the design of the flywheel battery is completed.