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风力发电并网对电网的影响解析
2010 年 第 4 卷 第 5 期 南 方 电 网 技 术 分布式电源与微电网
2010 ,Vol. 4 ,No. 5 SOUTHERN POWER SYSTEM TECHNOLOGY Distributed Generation Microgrid
文章编号:1674-0629 (2010)05-0048-05 中图分类号:TM712 ;TM614 文献标志码:A
风力发电并网对电网的影响
吴俊,李建设,周剑,刘春晓
(中国南方电网电力调度通信中心,广州 510623 )
摘要:智能电网建设中的一个重要方面是解决以风能为代表的可再生能源发电的接入问题。风力发电逐渐以大型风电场
的形式并入电网,给电网带来各种影响。由于风力发电具有动态和随机的特性,它给电网运行的电力电量平衡、调峰调
频及备用、电压及无功控制、潮流及稳定性、电能质量和二次系统等方面带来影响。由于电网常规设计和运行中未特别
考虑风电接入的影响,因此为了适应风电接入并满足原有的电网运行标准,需要对电网的运行控制进行一些相应的调整。
研究风电接入对电网运行的影响及相应措施,对于更好利用风力发电有重要的意义。
关键词:风力发电;电网;影响;风电场
Influence of Wind Power Generation Integrating into Power Grids
WU Jun, LI Jianshe, ZHOU Jian, LIU Chunxiao
(CSG Power Dispatching and Communication Center, Guangzhou 510623, China)
Abstract: One important aspect of constructing smart grids is to solve the problem of integrating renewable energy generation, such
as wind power generation, into power grids. Wind power generation has the trend of being integrated to power grids as the form of
large-scale wind farms, which influences on power grids. This paper discusses in general terms the problems which are encountered
by the developers of wind power generation projects and by power grids when dealing with projects to integrate wind farms to power
grids. The influence includes balance of generation and consumption, frequency and active power control, voltage and reactive power
control, reserve management, power flow, stability, power quality, secondary system due to the characteristics of dynamic and
stochastic performance of wind power generation. Since the power grids were not designed specifically to accommodate this type of
generation, there are inevitably some points at which modifications must be executed if
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