Electric power from offshore wind via synoptic-scale interconnection

被引:118
作者
Kempton, Willett [1 ]
Pimenta, Felipe M. [1 ]
Veron, Dana E. [1 ]
Colle, Brian A. [2 ]
机构
[1] Univ Delaware, Coll Earth Ocean & Environm, Ctr Carbon Free Power Integrat, Newark, DE 19716 USA
[2] SUNY Stony Brook, Sch Marine & Atmospher Sci, Stony Brook, NY 11794 USA
关键词
meteorology; transmission; wind integration; wind power; meteorologically designed transmission; RESOURCE; ENERGY;
D O I
10.1073/pnas.0909075107
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
World wind power resources are abundant, but their utilization could be limited because wind fluctuates rather than providing steady power. We hypothesize that wind power output could be stabilized if wind generators were located in a meteorologically designed configuration and electrically connected. Based on 5 yr of wind data from 11 meteorological stations, distributed over a 2,500 km extent along the U. S. East Coast, power output for each hour at each site is calculated. Each individual wind power generation site exhibits the expected power ups and downs. But when we simulate a power line connecting them, called here the Atlantic Transmission Grid, the output from the entire set of generators rarely reaches either low or full power, and power changes slowly. Notably, during the 5-yr study period, the amount of power shifted up and down but never stopped. This finding is explained by examining in detail the high and low output periods, using reanalysis data to show the weather phenomena responsible for steady production and for the occasional periods of low power. We conclude with suggested institutions appropriate to create and manage the power system analyzed here.
引用
收藏
页码:7240 / 7245
页数:6
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