[1]管伟翔,钱君霞,王 亮,等.接有冲击性负荷的微电网电能质量分析[J].南京师范大学学报(工程技术版),2019,19(04):032-37.[doi:10.3969/j.issn.1672-1292.2019.04.006]
　Guan Weixiang,Qian Junxia,Wang Liang,et al.Power Quality Analysis of Microgrid with Impact Load[J].Journal of Nanjing Normal University(Engineering and Technology),2019,19(04):032-37.[doi:10.3969/j.issn.1672-1292.2019.04.006]
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接有冲击性负荷的微电网电能质量分析
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南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

卷:
19卷
期数:
2019年04期
页码:
032-37
栏目:
2019全国集成电路可靠性学术会议专栏
出版日期:
2019-12-31

文章信息/Info

Title:
Power Quality Analysis of Microgrid with Impact Load
文章编号:
1672-1292(2019)04-0032-06
作者:
管伟翔1; 钱君霞2; 王 亮2; 张海龙1; 王恩荣1
(1.南京师范大学电气与自动化工程学院,江苏 南京 210023)(2.江苏科能电力工程咨询有限公司,江苏 南京 211102)
Author(s):
Guan Weixiang1; Qian Junxia2; Wang Liang2; Zhang Hailong1; Wang Enrong1
(1.School of Electrical and Automation Engineering,Nanjing Normal University,Nanjing 210023,China)(2.Jiangsu Keneng Power Engineering Comsulting Co.,Ltd.,Nanjing 211102,China)
关键词:
风光储交流微电网; 炼钢电弧炉; 冲击性负荷; 电能质量
Keywords:
the AC microgrid with wind-light storage; the steel-making electric arc furnace; the impact load; power quality
分类号:
TM711
DOI:
10.3969/j.issn.1672-1292.2019.04.006
文献标志码:
A
摘要:
微电网通过连接分布式电源与大电网,可有效降低分布式发电对电网的冲击,提高供电可靠性. 但由于微电网网架相对脆弱,随着冲击性负荷的大量接入,电网谐波、电压不平衡等因素对微网电能质量影响越来越明显. 建立了风光储交流微电网并网系统,并以炼钢电弧炉作为典型冲击性负荷模型,重点分析了弧长变化较大的熔化期对微电网造成的三相不平衡、电压波动、谐波等电能质量问题. 结果表明,冲击性负荷接入对并网方式下的微电网系统电能质量有很大影响.
Abstract:
The microgrid can effectively reduce the impact of distributed power generation on the power grid and improve the reliability of power supply by connecting the distributed power source and the large power grid. However,because of the relatively fragile grid and the massive access of the impact load,the factors such as voltage imbalance and the grid harmonics have become more and more obvious for the impact of the microgrid power quality. The grid-connected system of AC microgrid with wind-light storage is established,and the steel-making electric arc furnace is used as the typical impact load model. The three-phase unbalance,voltage fluctuation and harmonic caused by the melting period of the arc length change are analyzed mainly in the paper. The results show that the impact load access has a great impact on the power quality of the microgrid system under the grid connection mode.

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备注/Memo

备注/Memo:
收稿日期:2019-09-10.
通讯联系人:钱君霞,高级工程师,研究方向:电力系统及其自动化. E-mail:qianjunxia@jspdi.com.cn
更新日期/Last Update: 2019-12-31