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太阳能使用方便之外有哪些不足
来源:http://www.sdlntyn.com 发布时间:2014-10-11 11:34:20 浏览次数:978
  不稳定性:由于受到昼夜、季节、地理纬度和海拔高度等自然条件的限制以及晴、阴、云、雨等随机因素的影响,所以,到达某一地面的太阳辐照度既是间断的,又是极不稳定的,这给太阳能的大规模应用增加了难度。
Stability: as a result of diurnal, seasonal, geographical latitude and altitude as the restriction of natural conditions and clear, Yin cloud, rain, stochastic factors, so, reach a certain ground solar irradiance is intermittent, is very unstable, which increases the difficulty for the large-scale application of solar energy.
  效率低和成本高:太阳能利用的发展水平,有些方面在理论上是可行的,技术上也是成熟的。但有的太阳能利用装置,因为效率偏低,成本较高,现在的实验室利用效率也不超过30%,总的来说,经济性还不能与常规能源相竞争。在今后相当一段时期内,太阳能利用的进一步发展,主要受到经济性的制约。http://www.sdlntyn.com
The low efficiency and high cost: the level of development of solar energy utilization, in some ways is feasible in theory, technology is mature. But some solar energy utilization device, because the low efficiency, high cost, and now the laboratory utilization efficiency is not more than 30%, in general, the economy can't compete with conventional energy. In the future for a considerable period of time, the further development of solar energy utilization, mainly restricted by economical.