基于阻抗匹配的小型风电系统功率输出优化方法

山东大学学报(工学版) ›› 2013, Vol. 43 ›› Issue (5): 39-43.

基于阻抗匹配的小型风电系统功率输出优化方法

荆业飞1,张承慧1*,徐蓓蓓2，李珂1,褚晓广1

1. 山东大学控制科学与工程学院, 山东济南 250061; 2.深圳出入境检验检疫局，广东深圳 518067

收稿日期:2013-08-10 出版日期:2013-10-20 发布日期:2013-08-10
通讯作者: 张承慧(1963- ), 男, 山东德州人,教授,博士,博士生导师,主要研究方向为电动汽车、优化控制、新能源技术等.E-mail:zchui@sdu. edu.cn
作者简介:荆业飞(1983- ),男,山东济南人,博士研究生,主要研究方向为风力发电及优化控制.E-mail: jingyefei@ mail.sdu. edu.cn
基金资助:
国家自然科学基金资助项目(51107069);国家自然科学基金重大国际(地区)合作研究资助项目(61320106011)

An output power optimization method based on impedance matching for a small wind generation system

JING Ye-fei1, ZHANG Cheng-hui1*, XU Bei-bei, LI Ke1, CHU Xiao-guang1

1.School of Control Science and Engineering, Shandong University, Jinan 250061, China;
2. Shenzhen Entry-exit Insection and Quarantine Bureau, Shenzhen 518067, China

Received:2013-08-10 Online:2013-10-20 Published:2013-08-10

摘要/Abstract

摘要：

为解决现有小型风力发电系统风能利用率偏低的问题,提出一种新型的基于阻抗匹配的系统功率输出优化方法。通过建立和分析小型风力发电系统数学模型,指出在发电机与整流器间串联阻抗后风电系统稳定运行点会发生变化,若阻抗参数设置合理则可提高系统的功率输出;基于该原理,采用粒子群优化算法,结合风速以及蓄电池电压的概率分布情况,以发电机一段时间内输出能量最大为优化目标,确定阻抗参数。仿真结果表明,选择合适的电抗器参数可以有效提高风力发电机能量输出,优化后平均输出功率增加了约21％。

关键词: 小型风力发电, 粒子群算法, 阻抗匹配, 威布尔分布, 平均输出功率

Abstract:

In order to solve the problem that the wind energy utilization was very low in most of small wind power generation systems, a novel method based on impedance matching for optimizing output power was proposed. The mathematic model of small wind power generation system was built and analyzed, and it was pointed out that the stable operation point of the wind power generation system would be changed by adding series impedance between the generator and rectifier. The output power would be increased if the parameter of impedance is set reasonably. Base on this principle, the parameter of impedance was confirmed by using the particle swarm optimization algorithm. And the output in a period of time considering the probability distribution of wind speed and battery voltage was used as an optimization object functions. The simulation results showed that the output power of wind generator was effectively improved if the parameter of impedance was correctly selected, and the average output power was increased by 21％.

Key words: small wind power generation, particle swarm optimization, impedance matching, Weibull distribution, average output power

中图分类号:

TM614

荆业飞1,张承慧1*,徐蓓蓓2，李珂1,褚晓广1. 基于阻抗匹配的小型风电系统功率输出优化方法[J]. 山东大学学报(工学版), 2013, 43(5): 39-43.

JING Ye-fei1, ZHANG Cheng-hui1*, XU Bei-bei, LI Ke1, CHU Xiao-guang1. An output power optimization method based on impedance matching for a small wind generation system[J]. JOURNAL OF SHANDONG UNIVERSITY (ENGINEERING SCIENCE), 2013, 43(5): 39-43.

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