SMES用电流型变流器直接电流控制设计与仿真

doi:10.3969/j.issn.2095-4239.2013.05.008

储能科学与技术 ›› 2013, Vol. 2 ›› Issue (5): 496-502.doi: 10.3969/j.issn.2095-4239.2013.05.008

SMES用电流型变流器直接电流控制设计与仿真

宋萌¹, 刘洋², 曹昆南¹, 唐跃进², 王达达¹, 石晶²

1 云南电力试验研究院(集团)有限公司电力研究院,云南昆明 650217;
2 强电磁工程与新技术国家重点实验室,华中科技大学电气与电子工程学院,湖北武汉 430074

收稿日期:2013-04-27 修回日期:2013-06-09 出版日期:2013-10-19 发布日期:2013-10-19
通讯作者: 刘洋,主要从事储能及电力电子技术在电力系统中的应用研究.E-mail:ysuliuyang@qq.com.
作者简介:宋萌(1980--),男,博士,主要从事超导电力装置的电磁设计,分析与研制

Direct current control strategy of SMES current source converter--Design and simulation

SONG Meng¹, LIU Yang², CAO Kunnan¹, TANG Yuejin², WANG Dada¹, SHI Jing²

1 Yunnan Electric Power Research Institute,Kunming 650217,Yunnan,China;
2 State Key Laboratory of Advanced Electromagnetic Engineering and Technology(R&D Center of Applied Superconductivity),Huazhong University of Science and Technology,Wuhan 430074,Hubei,China

Received:2013-04-27 Revised:2013-06-09 Online:2013-10-19 Published:2013-10-19

摘要/Abstract

摘要： 主要研究超导磁储能系统(SMES)用电流型变流器的控制策略.首先为了简化传统三逻辑PWM控制的结构,改进了电流型变流器的主电路拓扑.在此基础上,提出了基于比例谐振微分(PRD)控制的直接电流控制策略.PRD控制既可实现对交流量控制的零稳态误差,又可增大系统阻尼,降低输出的超调量和调节时间,提高系统的响应速度,进而控制SMES与电网之间的实时功率交换.理论分析及MATLAB仿真结果验证了所提出的PRD控制策略具有良好的动态和稳态性能.

关键词: 电流型变流器, 三逻辑PWM, 比例谐振微分(PRD)控制, 直接电流控制, 功率交换

Abstract: This paper is concerned about the control strategy of current source converter (CSC) for a superconducting magnetic energy storage system (SMES). First, the CSC topology is improved to simplify traditional tri-logic PWM control structure. A direct current control strategy is then proposed on the basis of PRD (proportional-resonant-derivative) control. The PRD control method is able to achieve zero steady-state error of AC component and high system response speed through increasing the system damping, thus enabling the control of power transfer between the SMES and the grid. Theoretical analyses and MATLAB simulations verify the high dynamic and steady-state performance of the proposed PRD control strategy.

Key words: current source converter, tri-logic PWM, PRD controller, direct current control, power, exchange

中图分类号:

TM46

宋萌, 刘洋, 曹昆南, 唐跃进, 王达达, 石晶. SMES用电流型变流器直接电流控制设计与仿真[J]. 储能科学与技术, 2013, 2(5): 496-502.

SONG Meng, LIU Yang, CAO Kunnan, TANG Yuejin, WANG Dada, SHI Jing. Direct current control strategy of SMES current source converter--Design and simulation[J]. Energy Storage Science and Technology, 2013, 2(5): 496-502.

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SMES用电流型变流器直接电流控制设计与仿真

Direct current control strategy of SMES current source converter--Design and simulation

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