Aggregated representation of wind turbine units in the wind farm has been normally adopted for modelling and analysis of dynamic performance, with power variation obtained by change of wind speed in the literature. This paper presents a different scenario of power variation of wind farms by the ...
Why repowering onshore wind farms does not always lead to more wind power generation -- a German case study The best wind locations are nowadays often occupied by old, less efficient and relatively small wind turbines. Many of them will soon reach the end of thei......
The main reason for using 11 digits is that we have the largest population in the world. We once had 10 numbers. But as our population grew, there were not enough numbers for us to use. So we began to use 11 digits from 1999. Eleven digits can make tens of billions of mobile phone...
根据第一段“Graham Martin at the University of Birmingham, UK, and Alex Banks at Natural England, a public organization that has a say in planning applications for offshore wind farms in England, wanted to design a pattern that could be easily painted onto turbines to reduce their impact on...
athe planned 3GW capacity for the five wind farms planned off the French coast in Phase 1 of call for tenders, 正在翻译,请等待...[translate] a这些变化 These changes[translate] a众所周知的是,一个和谐的宿舍生活对伊我们来说是十分重要的。 Well known is, a harmonious dormitory life to Iraq...
The number of sheep per farm is relatively small, 92% of the sheep farms hold less than 50 ewes (Statistics Sweden 2015). The main wild prey species for large carnivores in the study area are moose (Alces alces), roe deer (Capreolus capreolus), fallow deer (Dama dama), red deer (...
Wind and solar farms make coal look increasingly expensive. A study has found that private banks provided three-quarters of loans to Indian renewables projects last year; state-backed banks doled out two-thirds of those for coal. And then there is politics. Voters do not like breathing soot....
Mortality estimates are needed of birds and bats killed by wind turbines because wind power generation is rapidly expanding worldwide. A mortality estimate is based on the number of fatalities assumed caused by wind turbines and found during periodic searches, plus the estimated number not found. ...
aThe attention has continued to grow as the demands on reducing polluting emissions have increased.The global wind energy sector is still developing rapidly [1,2]. For example, EU countries plan to develop large scale offshore wind farms, 10000 MW by 2010, including an 正在翻译,请等待...[tr...
those who rise to the top through their own efforts, usually beginning by working with their hands. Most of the people who settled in the United States were poor. The country they came to was a wilderness. Land had to be cleared of trees in order to make farms; 自制人是赞美了在美国。