直驱风电机组风电场接入后的电力系统暂态稳定计算

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摘要本文对由直驱式风电机组构成的风电场接入电力系统后的暂态稳定问题进行了研究。直驱永磁同步风力发电机组（DDPMG）被称为第三代风电机组,具有广泛的发展前景,但针对DDPMG接入系统后的暂态稳定问题的研究非常少。文中搭建了DDPMG的暂态仿真模型,并在PSAT平台上调用多步高阶Taylor级数法程序求解电力系统中接入由直驱式风电机组构成的风电场后的暂态稳定问题。文中重点研究了常态运行情况下由风速的变化引起的系统暂态问题及电网内部出现大扰动后的系统的暂态稳定问题,给出并分析了两种状态下发电机功角、转速、电压幅值等的变化情况,为针对DDPMG接入系统后的暂态稳定问题的进一步研究提供了参考。

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	叶瑞丽
	刘瑞叶
	刘建楠
	郭志忠

关键词 ：风力发电, 直驱永磁同步风电机组, 暂态稳定, 多步高阶Taylor级数法, 电力系统分析工具箱

Abstract：This paper studies the transient stability calculation of power system integrated with direct-drive wind farm with permanent magnet synchronous generators. Direct-drive permanent magnet synchronous generator(DDPMG) is called the third generation of wind turbine and have a very bright future,yet there is few study of the transient stability calculation of power system integrated with DDPMG-based wind farm. In this paper the transient model of DDPMG is established and the transient stability calculation of power system integrated with large scale wind farm is performed on the software of power system analysis toolbox(PSAT) and solved by multi-step high-order Taylor series method. This paper mainly discusses the transient stability of power system caused by the variations of wind speed and by big disturbance in the network. Changes of power angle, rotating speed and voltage amplitude of the two cases are all showed and discussed. The work of this paper provides reference to further research on the transient stability calculation of power system integrated with DDPMG-based wind farm.

Key words： Wind generation direct-drive permanent magnet synchronous generator transient stability multi-step high-order Taylor series method power system analysis toolbox

收稿日期: 2012-12-24 出版日期: 2014-11-05

PACS:

TM744

基金资助:国家高技术研究发展计划（863计划）资助项目（2011AA05A105）

作者简介: 叶瑞丽女,1986年生,博士研究生,研究方向为电力系统经济调度和风力发电技术。刘瑞叶女,1963年生,教授,研究方向为电力系统分析与控制、智能算法等。

引用本文:

叶瑞丽, 刘瑞叶, 刘建楠, 郭志忠. 直驱风电机组风电场接入后的电力系统暂态稳定计算[J]. 电工技术学报, 2014, 29(6): 211-218. Ye Ruili , Liu Ruiye , Liu Jiannan , Guo Zhizhong. Transient Stability Calculation of Power System Integrated with Direct-Drive Wind Farm with Permanent Magnet Synchronous Generators. Transactions of China Electrotechnical Society, 2014, 29(6): 211-218.

链接本文:

http://dgjsxb.ces-transaction.com/CN/Y2014/V29/I6/211

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