[1]冯奕,林鹤云,颜建虎,等.基于机械轴承飞轮储能系统损耗的构成分析[J].东南大学学报(自然科学版),2013,43(1):71-75.[doi:10.3969/j.issn.1001-0505.2013.01.014]
 Feng Yi,Lin Heyun,Yan Jianhu,et al.Loss component analysis of flywheel energy storage system with mechanical bearings[J].Journal of Southeast University (Natural Science Edition),2013,43(1):71-75.[doi:10.3969/j.issn.1001-0505.2013.01.014]
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基于机械轴承飞轮储能系统损耗的构成分析()
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《东南大学学报(自然科学版)》[ISSN:1001-0505/CN:32-1178/N]

卷:
43
期数:
2013年第1期
页码:
71-75
栏目:
电气工程
出版日期:
2013-01-20

文章信息/Info

Title:
Loss component analysis of flywheel energy storage system with mechanical bearings
作者:
冯奕林鹤云颜建虎黄允凯
东南大学伺服控制技术教育部工程研究中心, 南京 210096
Author(s):
Feng Yi Lin Heyun Yan Jianhu Huang Yunkai
Engineering Research Center for Motion Control of Ministry of Education, Southeast University, Nanjing 210096 China
关键词:
飞轮储能系统 损耗 无刷直流电机 能量利用系数
Keywords:
flywheel energy storage system loss brushless DC motor energy utilization ratio
分类号:
TM351
DOI:
10.3969/j.issn.1001-0505.2013.01.014
摘要:
为研究飞轮储能系统(FESS)的性能,设计并制作了一套基于机械轴承的、采用无刷直流电机驱动的飞轮储能系统,对驱动电机及整套系统在转速小于10 000 r/min时的损耗分别进行了测量.分析了电损、风损和轴承损耗3种主要损耗,采用最小二乘法,对电损与转速的关系进行指数函数拟合,对风损、轴承损耗与转速的关系进行了多项式拟合,从而分离了3种损耗.对处于不同待机转速的飞轮储能系统的恒功率放电时间和经历了不同待机时间的能量利用系数进行了计算分析.结果表明:要提高FESS的效率必须采用磁悬浮轴承并将系统置于真空环境中;FESS恒功率放电时间与待机转速成1.8次方关系;待机转速和待机时间是能量利用系数的重要影响因素.研究结果为新能源发电系统对FESS的选择提供了理论依据.
Abstract:
In order to study the performance of flywheel energy storage system(FESS), an FESS with mechanical bearings driven by a brushless DC motor(BLDCM)was designed and manufactured and the loss of BLDCM and the system under 10 000 r/min were tested, respectively. The three main losses including electrical loss, wind loss and bearing loss were analyzed. The least square method was adopted to fit the relationship between the electrical loss and the rotation speed by exponential function and the relationship between the wind loss and bearing loss and the rotation speed by polynomial function, thus separating the three main losses. The discharging time by constant power under different stand-by speeds and the energy utilization ratio through different stand-by time were calculated and analyzed. The result reveals that the magnetic bearings and vacuum environment are extremely important to improve the efficiency of the FESS. Besides, the constant-power discharging time is proportional to the 1.8th power of the stand-by speed, and the energy utilization ratio is significantly affected by both stand-by speed and stand-by time. The research results provide a theoretical basis for the decision of FESS in renewable generation system.

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备注/Memo

备注/Memo:
作者简介: 冯奕(1987—),女,博士生;林鹤云(联系人),男,博士,教授,博士生导师,hyling@seu.edu.cn.
基金项目: 国家自然科学基金资助项目(51077012)、教育部博士点基金资助项目(20090092110033)、江苏省产学研前瞻性研究资助项目(BY2011151)、江苏省“六大人才高峰”资助项目(2011-ZBZZ-016).
引文格式: 冯奕,林鹤云,颜建虎,等.基于机械轴承飞轮储能系统损耗的构成分析[J].东南大学学报:自然科学版,2013,43(1):71-75. [doi:10.3969/j.issn.1001-0505.2013.01.014]
更新日期/Last Update: 2013-01-20