用于短期电网调度的风电场储能容量估算法  

Estimation of wind farm energy storage capacity for short-term power dispatch

作　　者：孔飞飞[1] 晁勤[1] 袁铁江[1] 李建林[2] 曾信义[1] 袁建党[1] 

机构地区：[1]新疆大学电气工程学院,新疆乌鲁木齐830047 [2]中国电力科学研究院.北京100192

出　　处：《电力自动化设备》2012年第7期21-24,共4页Electric Power Automation Equipment

基　　金：国家自然科学基金资助项目(51067009,50907067);新疆自然科学基金资助项目(2010211A10)~~

摘　　要：为实现电网对风电场出力的短期调度,提出基于正态分布的风电场储能系统容量估算法。通过对比历史风电出力样本数据与电网调度数据值,运用统计的方法分析样本区间内功率偏差值的正态分布参数。并提出采用储能经济因子对储能效果加以评估。以新疆某中型风电场长期统计的风速、实际风电出力和预报出力数据为样本数据,运用所提方法对其所需储能容量进行估算。仿真结果表明,所得储能容量能使风电场满足调度出力要求,且其小于风电场容量的10%,验证了所提方法的经济性和可行性。For the short-term power dispatch of wind farm,an estimation method based on the normal distribution is proposed for the capacity of wind farm energy storage system. By comparing the historic data of wind power output and power grid dispatch ,the normal distribution parameters of power deviations within the sampling interval are analyzed by statistical method. The energy storage economic factor is proposed to evaluate the energy storage effect. With the long-term statistical data of the wind speed,actual wind output and wind output forecast of a midsize wind farm in Xinjiang as the samples,its required energy storage capacity is estimated. Simulative results show that,the obtained energy storage capacity is less than 10% of the wind power capacity and meets the dispatch requirements,which verifies the economics and feasibility of the proposed method.

关 键 词：短期电网调度 风电场 储能 容量 正态分布 估算 

分 类 号：TM614[电气工程—电力系统及自动化]