Integrating Renewable Electricity on the Grid
Integrating Renewable Electricity on the Grid
复制标题
将可再生电力并入电网
DOI：
10.1063/1.3653865
复制
发表时间：
2011
影响因子：
2.4
通讯作者：
Humayun Tai
中科院分区：
文献类型：
--
作者：
G. Crabtree;J. Misewich;R. Ambrosio;Kathryn G. Clay;P. Demartini;R. James;M. Lauby;V. Mohta;J. Moura;P. Sauer;F. Slakey;J. Lieberman;Humayun Tai
对无碳电力的需求正在推动将可再生能源添加到电网中的运动。由各州强制执行并由联邦政府考虑的可再生能源组合标准设想到2020年或2030年可再生能源在电网中的渗透率为20 - 30%。风能和太阳能的可再生能源潜力远远超过这些目标，这表明可再生能源最终的增长可能远远超过这些最初的目标。电网在适应可再生能源方面面临两个新的基本技术挑战：位置和可变性。可再生资源集中在远离人口中心的中部大陆，需要额外的长距离，高容量传输来匹配供需。由于天气特征，可再生能源的可变性很高，白天太阳能的变化高达70%，因为经过的云层和100%的风在平静的日子里，远远大于电网现在通过调度修道院来适应的相对可预测的负载不确定性。
The demand for carbon‐free electricity is driving a growing movement of adding renewable energy to the grid. Renewable Portfolio Standards mandated by states and under consideration by the federal government envision a penetration of 20‐30% renewable energy in the grid by 2020 or 2030. The renewable energy potential of wind and solar far exceeds these targets, suggesting that renewable energy ultimately could grow well beyond these initial goals.The grid faces two new and fundamental technological challenges in accommodating renewables: location and variability. Renewable resources are concentrated at mid‐continent far from population centers, requiring additional long distance, high‐capacity transmission to match supply with demand. The variability of renewables due to the characteristics of weather is high, up to 70% for daytime solar due to passing clouds and 100% for wind on calm days, much larger than the relatively predictable uncertainty in load that the grid now accommodates by dispatching convent...