[1]刘志星,胡婵娟,年珩,等.双馈风电变流器低电压穿越下Crowbar电阻的优化设计[J].控制与信息技术,2012,(01):44-49.[doi:10.13889/j.issn.2095-3631.2012.01.012]
 LIU Zhi-xing,HU Chan-juan,NIAN Heng,et al.Optimal Design of Crowbar Resistance for DFIG Converter During Low Voltage Ride-through[J].High Power Converter Technology,2012,(01):44-49.[doi:10.13889/j.issn.2095-3631.2012.01.012]
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双馈风电变流器低电压穿越下Crowbar电阻的优化设计()
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《控制与信息技术》[ISSN:2095-3631/CN:43-1486/U]

卷:
期数:
2012年01期
页码:
44-49
栏目:
绿色能源与节能
出版日期:
2012-02-05

文章信息/Info

Title:
Optimal Design of Crowbar Resistance for DFIG Converter During Low Voltage Ride-through
文章编号:
1671-8410(2012)01-0044-06
作者:
刘志星1胡婵娟1年珩2程鹏2
1.南车株洲电力机车研究所有限公司 2.浙江大学 电气工程学院
Author(s):
LIU Zhi-xing1 HU Chan-juan1 NIAN Heng2 CHENG Peng2
(1. CSR Zhuzhou Institute Co., Ltd., Zhuzhou, Hunan 412001, China; College of Electrical Engineering, Zhejiang University, Hangzhou, Zhejiang 310027, China)
关键词:
风力发电低电压穿越双馈型异步发电机Crowbar 电阻
Keywords:
wind power low voltage ride-through doubly-fed induction generator Crowbar resistance
分类号:
TM46, TM315
DOI:
10.13889/j.issn.2095-3631.2012.01.012
文献标志码:
A
摘要:
随着风电场大规模接入电网,新的并网规范要求风力发电机组必须具有低电压穿越能力。双馈型异步发电机(DFIG)采用转子侧并联Crowbar 电阻的方式限制电压跌落时转子产生的过电流,从而实现DFIG 的低电压穿越运行。文章在推导了电网电压跌落下DFIG 定转子电流数学模型的基础上,分析了Crowbar 电阻对DFIG 运行性能的影响,完成了Crowbar 电阻的优化设计,以实现DFIG 在电网电压跌落下的穿越运行。最后针对1.65 MW DFIG 风电机组,建立了基于Matlab/Simulink 的仿真模
Abstract:
As wind farms being coupled with power grid in large-scale, the new grid code is drafted to require the condition that wind turbines must have low voltage ride-through (LVRT) capability. To realize low voltage ride-through of doubly-fed induction generator (DFIG), Crowbar resistances in parallel are usually equipped to the rotor side to limit the over-current during the voltage dipping. Based on the currents mathematic models of the DFIG stator and rotor, the impact of Crowbar resistance on the DFIG operation performance is analyzed, and the optimized design strategy of the Crowbar resistance is implemented. Finally, the simulation model based on Matlab/Simulink is set up for 1.65 MW DFIG wind turbines, which validates the correctness and effectiveness of the proposed design technology.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2011- 11 - 10
作者简介:刘志星(1 9 7 0 - ),男,硕士,高级工程师,主要从事兆瓦级风电变流器的研发和生产工作。
更新日期/Last Update: 2017-06-28