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Installed capacity optimization of autonomous photovoltaic systems under energy service contracting

机译：能源服务承包下自主光伏系统安装容量优化

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摘要

Various mechanisms have been developed worldwide to support renewable energy sources. These mechanisms promote greater integration of renewable energy sources into power supply systems. Many support mechanisms can operate only in centralized power systems with well-structured market relations. As far as autonomous power systems are concerned, high expectations are placed on energy service contracting which offers a number of advantages such as instant investment, absence of risks for local authorities, fuel savings and efficient technical solutions.& nbsp; This paper presents a methodology for installed capacity optimization of autonomous photovoltaic systems under energy service contracting. The proposed methodology is based on the chronological method for calculating power supply systems using multi-year meteorological data sets. The study uses classical mathematical models of components of power supply systems: solar panels, solar inverters and direct current combiner boxes with allowance for operational restrictions. The internal optimization algorithm is described for the installed capacity and standard size of solar inverters and direct current combiner boxes. A hierarchical two-stage model for interaction between energy service company and regional authorities is proposed. The installed capacity of the Tyoply Klyuch photovoltaic system (Far East, Russia) has been optimized. The optimization process took into consideration nine types of solar panels: monocrystalline, polycrystalline and heterojunction panels. The reported value of the installed capacity is 1600 kW under the nine-year long contract. The annual fuel economy constitutes 300 tons, and a profit for the energy service company is US$ 0.428 million at the expiration of the contract. The methodology described in the present paper is universal and can be applied throughout the world.
机译：各种机制已经发展到世界各地支持可再生能源。这些机制促进可再生能源在电源系统更大程度的整合。许多支持机制可以与结构良好的市场关系，集中力量系统下运行。至于独立电力系统而言，过高的期望放在能源服务合同，其提供了大量的如即时投资，缺乏对当地政府，节省燃料和高效的技术解决方案风险的优点群组。本文介绍了在节能服务合同自治的光伏系统安装容量优化的方法。所提出的方法是基于计算使用多年的气象数据集供电系统的时序方法。这项研究使用的电源系统的组成部分经典数学模型：太阳能电池板，太阳能逆变器和直流汇流箱与津贴的业务限制。内部优化算法为装机容量和太阳能逆变器和直流汇流箱的标准尺寸说明。能源服务公司和地区政府之间互动的分层两阶段模型。在安装了Tyoply Klyuch光伏系统（远东，俄罗斯）的能力进行了优化。优化过程考虑到了九种类型的太阳能电池板：单晶硅，多晶硅和异质结板。装机容量的报告值是在九年长合同1600千瓦。每年的燃油经济性构成了300吨，并为能源服务公司的利润为亿$ 0.428在合同期满。在本文件中描述的方法是普遍的，并且可以在世界各地被应用。

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