电测与仪表2018,Vol.55Issue(6):30-34,41,6.
含可再生能源的微电网分时间尺度储能方案
Time-scale decomposition of energy storage in micro-grid with renewable energy
摘要
Abstract
In order to improve the accommodation capability of renewable energy,an economic dispatch model for micro-grid based on time-scale decomposition of energy storage is proposed in this paper.This model includes two stages:day-ahead scheduling stage and real-time dispatch stage.Adopting new type compressed air energy storage in day-ahead scheduling stage,an economic dispatch optimization model with the objective of minimum comprehensive cost is established,which takes account of economic cost,environmental benefits,price difference between peak and valley,and life cycle cost of energy storage.In real-time dispatch stage,the operational schedule is corrected timely according to the forecast errors of renewable energy generation,while the battery capacity is allocated to meet a certain confidence level.According to the case study of a micro-grid demonstration project,the results verify that the proposed energy storage is applicable for peak load shifting,and it can effectively smooth the fluctuations of renewable energy.Finally,compared with different energy storage schemes,the results show that the proposed energy storage has enormous advantages in feasibility and cost.关键词
微电网/可再生能源/预测误差/压缩空气储能/分时间尺度Key words
micro-grid/renewable energy/forecast error/compressed air energy storage/time-scale decomposition分类
信息技术与安全科学引用本文复制引用
陈科彬,邱晓燕,史光耀,李星雨..含可再生能源的微电网分时间尺度储能方案[J].电测与仪表,2018,55(6):30-34,41,6.基金项目
成都市科技项目(2015-HM01-00132-SF). (2015-HM01-00132-SF)