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[1]易桂平,刘悦,胡仁杰.分布式电源并联运行控制新方法[J].电机与控制学报,2016,20(03):109-118.[doi:10. 15938 / j. emc. 2016. 03. 017]
 YI Gui-ping,LIU Yue,HU en-jie.New control strategy on paralleled operation of distributed generation[J].,2016,20(03):109-118.[doi:10. 15938 / j. emc. 2016. 03. 017]
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《电机与控制学报》[ISSN:1007-449X/CN:23-1 408/TM]

卷:
20
期数:
2016年03
页码:
109-118
栏目:
出版日期:
2016-03-02

文章信息/Info

Title:
New control strategy on paralleled operation of distributed generation
作者:
易桂平1 刘悦2 胡仁杰3
( 1. 常熟理工学院 电气与自动化工程学院,江苏 常熟 215500; 2. 开封大学 信息工程学院,河南 开封 475004; 3. 东南大学 电气工程学院,江苏 南京 210096)
Author(s):
YI Gui-ping1 LIU Yue2 HU Ren-jie3
 ( 1. College of Electrical and Automatic Engineering,Changshu Institute of Technology,Changshu 215500,China; 2. College of Information Engineering,Kaifeng University,Kaifeng 475004,China;
3. School of Electrical Engineering,Southeast University,Nanjing 210096,China)
关键词:
逆变器并联 恢复机制 改进功率下垂控制 功率分配 比例负荷分配
Keywords:
paralleled inverters restoration mechanism improved power drooping control power distri-bution proportional load sharing
分类号:
TM 712
DOI:
10. 15938 / j. emc. 2016. 03. 017
文献标志码:
A
摘要:
在分析微网多逆变器并联功率分配机理基础上,分析了不同额定容量逆变器间有功功率和 无功功率环流的变化规律,并具体分析了等效线路阻抗对功率分配的影响机理及传统下垂控制法的局限性,为此提出了一种改进的 n 下垂控制方法和 n 电压恢复机制来改善无功功率的分 Q - E E 配并分析了它们的控制原理。仿真和实验表明设计的改进下垂控制器可使得并联运行的逆变器能 按额定容量精确分配负荷有功和无功,设计的控制器具备较强的鲁棒性能。
Abstract:
On the basis of analysis on paralleled micro-grid multi-inverters power distribution mechanism, the variation of active power and reactive power circulation between inverters with different power levels was proposed and a specific analysis on the impact mechanism of equivalent line impedance to power distribution and limitations of traditional droop control are given. An improved Q-En droop control method
with En restoration mechanism was proposed to improve reactive power sharing. Its operation principle and control method were explained and analyzed. Simulation and experimental results show the improved drooping controller makes the paralleled multi-inverters sharing the load power by the ratio of rated capac-ity accurately.

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备注/Memo

备注/Memo:
收稿日期: 2014 - 07 - 17
基金项目: 江苏省科技支撑计划资助项目( BE2013737)
作者简介: 易桂平( 1981—) ,男,博士,讲师,研究方向为电力电子技术在电力系统中的应用、微网电能质量;
刘 悦( 1977—) ,男,讲师,研究方向为模式识别、算法优化等。
更新日期/Last Update: 2016-06-25