[1]喻冲,宋平岗,刘鹏,等.不对称故障下双馈风力发电系统网侧变流器的控制方法[J].控制与信息技术,2011,(01):27-30.[doi:10.13889/j.issn.2095-3631.2011.01.005]
 YU Chong,SONG Ping-gang,LIU Peng,et al.Control Method of DFIG Grid-side Converter under Asymmetric Grid Voltage Drop[J].High Power Converter Technology,2011,(01):27-30.[doi:10.13889/j.issn.2095-3631.2011.01.005]
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不对称故障下双馈风力发电系统网侧变流器的控制方法()
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《控制与信息技术》[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2011年01期
页码:
27-30
栏目:
绿色能源与节能
出版日期:
2011-02-05

文章信息/Info

Title:
Control Method of DFIG Grid-side Converter under Asymmetric Grid Voltage Drop
文章编号:
1671-8410(2011)01-0027-04
作者:
喻冲宋平岗刘鹏李辉
(华东交通大学电气与电子工程学院,江西南昌3 300 1 3)
Author(s):
YU Chong SONG Ping-gang LIU Peng LI Hui
(School of Electrical and Electronic Engineering, East China Jiaotong University, Nanchang, Jiangxi 330013, China)
关键词:
电网电压不对称跌落低电压穿越网侧变流器双馈电机
Keywords:
asymmetric grid voltage drop LVRT(low-voltage ride-through) grid-side converter DFIG(Doubly Fed Induction Generator)
分类号:
TM315;TM464
DOI:
10.13889/j.issn.2095-3631.2011.01.005
文献标志码:
A
摘要:
风力发电机组通过背靠背变流器与电网相连接,电压发生不对称故障时直流侧电压将发生大幅波动,而要消除这方面的影响,关键在于对网侧电流的控制。针对电网电压不对称故障下风电机组的表现,文章提出了一种适用于该情况下的网侧变流器的控制策略,以实现风电机组的低电压穿越。对发生不对称故障时网侧变流器的状态进行分析,得出其控制指令,使用Matlab/Simulink建立仿真模型,给出A相电压发生50%跌落下的仿真结果,验证了该控制策略的可行性。
Abstract:
DFIG is connected with the grid by Back-to-Back converter. The DC-side voltage will fluctuate widely under the asymmetric fault of grid voltage. Therefore, controlling the grid-side current is the key method to eliminate the influence. Aiming to the perf-ormance of DFIG under the asymmetric fault of grid voltage, a control method of grid-side converter is proposed for realizing low-voltage ride -through of wind turbines. The state is also analyzed, and then the control instruction is obtained. Furthermore, the simulation model by Matlab/Simulink is established, and the simulated results are given when A-phase voltage is dropping by 50%, which verifies the feasibility of the control strategy.

参考文献/References:

[1 ] 赵紫龙,吴维宁,王伟. 电网不对称故障下直驱风电机组低电压穿越技术[J]. 电力系统自动化,2009,33(21):87- 91.
[2] HU Jia-bing, HE Yi-kang, NIAN Heng. Enhanced control of DFIGused back-to-back PWM VSC under unbalanced grid voltage conditions[J]. Zhejiang Univ Sci A 1330, 2007,8(8):1330-1339.
[3] 胡家兵,贺益康,郭晓明,等. 不平衡电网电压条件下双馈异步风力发电系统的建模与控制[ J] . 电力系统自动化,2 00 7, 31(14):47-56.
[4 ] 胡家兵,孙丹,贺益康. 电网电压骤降故障下双馈风力发电机建模与控制[J]. 电力系统自动化,2006,30(8):21- 26.
[ 5 ] 张兴,季建强,张崇巍,等. 基于内模控制的三相电压型 PWM整流器不平衡控制策略研究[ J ] . 中国电机工程学报, 2005,25(13):51-56.
[6] OTTERSTEN R, PETERSSON A, PIETILAINEN K.Voltage sag response of PWM rectifiers for variable-speed wind turbines[D]. Trondheim, Norway :Proceedings of 2004 Nordic Workshop on Power and Indust rial Elect ronics, 2004.

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备注/Memo

备注/Memo:
收稿日期:2010- 11- 11
作者简介:喻冲(1 98 7- ),男,硕士研究生,研究方向是双馈感应发电系统中的低电压穿越技术;宋平岗(1965- ),男,博士,教授,主要研究方向是电力电子与可再生能源系统。
更新日期/Last Update: 2017-12-15