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Economical evaluation of large-scale photovoltaic systems using Universal Generating Function techniques

机译:使用通用生成函数技术对大规模光伏系统进行经济评估

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摘要

Solar energy plays an important role in the global energy framework for future. Comparing with conventional generation systems using fossil fuels, the cost structure of photovoltaic (PV) systems is different: the capital cost is higher while the operation cost is negligible. Reliabilities of the PV system can also influence the cost for producing electricity. Investors, planners and regulators require deep insight into the return and cost of a PV project. A reliability based economical assessment of large-scale PV systems has been conducted utilizing Universal Generating Function (UGF) techniques. The reliability models of solar panel arrays, PV inverters and energy production units (EPUs) are represented as the corresponding UGFs. The expected energy production models for different PV system configurations have also been developed. The expected unit cost of electricity has been calculated to provide informative metrics for making optimal decisions. The proposed method has been applied to determine the PV system configuration which provides electricity for a water purification process.
机译:太阳能在未来全球能源框架中发挥着重要作用。与使用化石燃料的常规发电系统相比,光伏(PV)系统的成本结构不同:资本成本较高,而运行成本可忽略不计。光伏系统的可靠性也会影响发电成本。投资者,计划者和监管者需要深入了解光伏项目的收益和成本。利用通用发电功能(UGF)技术已经对大型光伏系统进行了基于可靠性的经济评估。太阳能电池板阵列,光伏逆变器和能源生产单元(EPU)的可靠性模型表示为相应的UGF。还针对不同的光伏系统配置开发了预期的能源生产模型。已计算出预期的单位电力成本,以提供信息量度,以做出最佳决策。所提出的方法已应用于确定为水净化过程提供电力的PV系统配置。

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