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大型蜗卷弹簧储能原理及稳定性分析

发表时间:2016-09-30  浏览量:1236  下载量:475
全部作者: 米增强,汤敬秋
作者单位: 新能源电力系统国家重点实验室,华北电力大学能源与动力学院机械系
摘 要: 机械弹性储能技术是一种以大型蜗卷弹簧作为关键储能部件的机械储能技术。阐述该技术的储能原理,分析蜗卷弹簧的结构特点,对蜗卷弹簧储能过程中的受力情况进行分析,以平面蜗卷弹簧为例,分析蜗卷弹簧在储能过程中受到的工作扭矩和蜗卷弹簧结构尺寸的关系。根据蜗卷弹簧在储能过程中的受力情况,分析蜗卷弹簧的稳定性以及可能发生失稳的情况,使用有限元数值分析方法计算蜗卷弹簧在最大工作扭矩作用下的稳定性情况,得到蜗卷弹簧特征值和载荷系数,并分析计算结果。
关 键 词: 储能技术;机械弹性储能;蜗卷弹簧;稳定性
Title: Analysis of Energy Storage Principle and Stability on Large Spiral Spring
Author: MI Zengqiang, TANG Jingqiu
Organization: State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University,College of Energy and Power, North China Electric Power University
Abstract: Mechanical elastic energy storage technology is a kind of mechanical energy storage technology with large spiral spring as the key energy storage part. This paper exploudes the energy storage principle of this technology, analyzes the characteristics of the spiral spring’s structure, researches the mechanics condition of the spiral spring, and analyzes the relation between the working operation torque and the structure sizes taking the spiral spring as example. According to the mechanics condition of spiral spring in energy storage process, this paper analyzes the stability of the spiral spring and the possibility, calculates the stability with the work torque, gains the eigenvalue and load coefficient of the instability of spiral spring with the finite element numerical analysis method, and analyzes the results.
Key words: energy storage technology; mechanical elastic energy storage; spiral spring; stability
发表期数: 2016年9月第18期
引用格式: 米增强,汤敬秋. 大型蜗卷弹簧储能原理及稳定性分析[J]. 中国科技论文在线精品论文,2016,9(18):1904-1909.
 
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