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首页> 外文期刊>Power and Energy Magazine, IEEE >Time in the Sun: The Challenge of High PV Penetration in the German Electric Grid
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Time in the Sun: The Challenge of High PV Penetration in the German Electric Grid

机译：阳光下的时间：德国电网中高PV渗透率的挑战

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摘要

Energy supply systems are facingr significant changes in many countries aroundr the globe. A good example of such a transformationr is the German power system,r where renewable energy sources (RESs)r are now contributing 25% of the powerr needed to meet electricity demand,r compared with 5% only 20 years ago.r In particular, photovoltaic (PV) systemsr have been skyrocketing over ther last couple of years. As of Septemberr 2012, about 1.2 million PV systemsr were installed, with a total installedr peak capacity of more than 31 GWp.r During some hours of 2012, PV alreadyr contributed about 40% of the peak powerr demand. It seems that Germany is well on ther way to sourcing a major portion of its energy needsr from solar installations. PV must therefore provide a fullr range of services to system operators so as to replace servicesr provided by conventional bulk power plants.
机译：能源供应系统在全球许多国家面临着重大变化。德国电力系统就是一个很好的例子，在德国的电力系统中，可再生能源（RESs）r现在占满足电力需求所需功率的25％，而20年前仅为5％。r特别是，光伏（PV）系统在最近几年一直飞速发展。截至2012年9月，已安装了约120万个光伏系统，峰值装机总容量超过31 GWp.r在2012年的某些小时内，光伏已经满足了峰值功率需求的40％。看来德国在向太阳能装置采购其大部分能源需求的道路上步入正轨。因此，PV必须向系统运营商提供更全面的服务，以取代常规散装电厂提供的服务。

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