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飞轮储能系统用无刷直流电机驱动系统的设计*

作者:李悦溪,王 萌,祝长生* 日期:2010-11-22/span> 浏览:3139 查看PDF文档

飞轮储能系统用无刷直流电机驱动系统的设计*

李悦溪,王 萌,祝长生*

(浙江大学 电气工程学院,浙江 杭州 310027)

摘要:飞轮储能是一种高效的能量储存方式,其中的双向能量转换系统是它的重要组成部分,关系着飞轮储能系统(FESS)能否可靠、高效的运行。针对某高速飞轮储能系统中的一体化永磁无刷直流电动/发电机驱动问题,首先在分析了无刷直流电动/发电机驱动理论的基础上,采用DSP作为控制核心、IPM作为主电路构建了一体化永磁无刷直流电动/发电机的驱动系统,然后在Matlab/Simulink中建立了该驱动系统的模型,并对其性能进行了仿真,提出并解决了PWM调节过程中电动/发电机电流上升过慢的问题;最后制作了驱动系统,完成了系统的运行实验,成功的将一体化电动/发电机驱动至10 500 r/min,并实现了发电运行。实验结果验证了驱动系统的可靠性。
关键词:飞轮储能系统;永磁无刷直流电机;驱动系统
中图分类号:TH13;TH39;TM351
文献标识码:A文章编号:1001-4551(2010)10-0068-06

Design of brushless DC motor drive system for flywheel energy storage system
LI Yuexi, WANG Meng, ZHU Changsheng
(College of Electrical Engineering, Zhejiang University, Hangzhou 310027, China)

Abstract: Flywheel energy storage is a kind of highly efficient energy storage technology. Energy converter is an important part of flywheel energy storage system (FESS), and has a significant effect on the reliability and efficiency of the FESS. Aiming at driving the permanent magnet brushless DC (BLDC) motor/generator in a FESS, based on BLDC motor/generator drive theories, the drive system of permanent magnet BLDC motor/generator was constructed using a DSP chip as controller and an IPM as main circuits. And then the drive system was modeled in Matlab/Simulink, and its performance was simulated. The problem of that the currents increased too slowly in motor/generator during PWM was proposed and solved. Finally, the drive system was fabricated. The motor/generator was driven to 10 500 r/min, and then operated in generator mode successfully in the test. The results indicate the reliability of the drive system.
Key words: flywheel energy storage system(FESS); permanent magnet brushless DC motor; drive system



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