基于分段控制的双馈风电机组有功-频率控制

doi:10.11930/j.issn.1004-9649.2012.2.49.4

中国电力 ›› 2012, Vol. 45 ›› Issue (2): 49-53.DOI: 10.11930/j.issn.1004-9649.2012.2.49.4

基于分段控制的双馈风电机组有功-频率控制

林俐¹, 李晓钰¹, 王世谦¹, 史添², 李昊炅²

1. 华北电力大学新能源电力系统国家重点实验室,北京 102206;
2. 山西省电力公司,山西太原 030001

收稿日期:2011-09-18 修回日期:2011-11-14 出版日期:2012-02-18 发布日期:2016-02-29
作者简介:林俐（1968-）,女,云南会泽人,博士,副教授,从事电力系统分析、运行与控制及风电并网研究。
基金资助:
国家高技术研究发展计划（863计划）资助项目（2011AA05A104）

An active power-frequency control strategy of a DFIG based on subsection control

LIN Li¹， LI Xiao-yu¹， WANG Shi-qian¹， SHI Tian²， LI Hao-jiong²

1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing 102206, China;
2. Shanxi Electric Power Corporation, Taiyuan 030001, China

Received:2011-09-18 Revised:2011-11-14 Online:2012-02-18 Published:2016-02-29

摘要/Abstract

摘要： 为缓解大规模风电并网给电力系统频率带来的不利影响,在考虑风力发电经济性的前提下,使风电机组具有类似常规机组的调频特性,以改善含大规模风电的电力系统的频率稳定性,提出一种基于分段控制思想的双馈风电机组有功-频率控制策略,将风电机组有功-频率控制分为4段：卸载运行段、调频段、最大功率运行段及脱网运行段。研究采用该策略的控制模型参数整定问题,进而分析采用该控制策略的双馈风电机组的调频能力,探讨风电渗透率及负荷变化幅度对其调频效果的影响,在此基础上得出双馈风电机组的有功-频率特性。仿真结果验证了所提有功控制策略的可行性与有效性。

关键词: 双馈风电机组, 有功-频率控制, 卸载运行, 频率特性

Abstract: In order to relieve the impact of large-scale grid-connected wind power farms on power system frequency and improve frequency stability, an active power-frequency control strategy of a DFIG is proposed. With the consideration of generation economics, wind power generators can have similar frequency regulation characteristics as conventional generators by using the proposed strategy. The control strategy is divided into four sections: de-loaded operation, frequency regulation, maximum power operation and off-grid operation. The main control parameters in the proposed model are studied; the frequency regulatng ability of the proposed strategy is also analyzed, as well as the influence of wind power penetration and load change on the DFIG frequency regulation. The active power-frequency characteristics of the DFIG are obtained based on the analyses. The simulation result proves the feasibility and validity of the proposed method.

Key words: DFIG, active power-frequency control, de-loaded operation, frequency characteristics

中图分类号:

TM614

林俐, 李晓钰, 王世谦, 史添, 李昊炅. 基于分段控制的双馈风电机组有功-频率控制[J]. 中国电力, 2012, 45(2): 49-53.

LIN Li， LI Xiao-yu， WANG Shi-qian， SHI Tian， LI Hao-jiong. An active power-frequency control strategy of a DFIG based on subsection control[J]. Electric Power, 2012, 45(2): 49-53.

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基于分段控制的双馈风电机组有功-频率控制

An active power-frequency control strategy of a DFIG based on subsection control

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基于分段控制的双馈风电机组有功-频率控制

An active power-frequency control strategy of a DFIG based on subsection control

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