风电功率爬坡事件的滑动窗检测与实例分析  

Detection Method and Case Analysis of Wind Power Ramping Events with Sliding Window

作　　者：任双雪 王毅钊 张寓涵 于继来[3] REN Shuangxue;WANG Yizhao;ZHANG Yuhan;YU Jilai(State Grid Shaanxi Economic Research Institute, Xi＇an 710065, Shaanxi, China;State Grid Shaanxi Electric Power Research Institute, Xi＇an 710199, Shaanxi, China;School of Electrical Engineering and Automation, Harbin Institute of Technology, Harbin 150001, Heilongjiang, China)

机构地区：[1]国网陕西省电力公司经济技术研究院,陕西西安710065 [2]国网陕西省电力公司电力科学研究院,陕西西安710199 [3]哈尔滨工业大学电气工程及自动化学院,黑龙江哈尔滨150001

出　　处：《电网与清洁能源》2018年第1期109-114,共6页Power System and Clean Energy

基　　金：国家高技术研究发展计划(863计划)重大项目(2011AA05A105)~~

摘　　要：风电功率易受自然风况随机多变因素的影响,形成快速变化的爬坡现象,严重时会给电网调控带来较大困难。为更好应对风电功率爬坡带来的风险,需要研究风电功率爬坡事件的高效检测技术。基于通常的风电功率爬坡定义关系,设计了一种采用滑动窗技术的风电功率爬坡事件检测方法及其流程。方法通过风电功率变化率门槛值和滑动窗的合理设置,动态检测风电功率爬坡事件发生的起始时间、幅度、陡度和持续时间等关键信息。利用提出的检测技术,对江苏盐城地区4个风电场2015年1月—2016年3月期间的风电功率爬坡进行实例分析,验证了所提检测技术的正确性。Wind power is prone to be affected by random variations of natural wind conditions so as to form serious power ramping, which makes power grid scheduling more complicated. To better respond the risk of such wind power ramp, an efficient detection technology is needed. Based on the definition relation- ship of the usual wind power ramp, in this paper we designed a new wind power detection method and its procedure with the slid- ing window technology. The method can dynamically detect the key information such as the start time, amplitude, rate and dura- tion of wind power ramp event by reasonably setting the rate threshold of the wind power and sliding window. Using the pro- posed detection technology, we analyzed the wind power ramp with data from four wind farms in Jiangsu Yancheng area from January 2015 to March 2016 , and thus validated the accuracy of the proposed detection technology.

关 键 词：风电 功率爬坡 滑动窗 

分 类 号：TM73[电气工程—电力系统及自动化]