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首页> 外文期刊>International journal of green energy >Prospects of a solar-diesel-grid energy system for Silliman University, Dumaguete City, Philippines
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Prospects of a solar-diesel-grid energy system for Silliman University, Dumaguete City, Philippines

机译：菲律宾杜马格特市Silliman大学的太阳能-柴油-电网能源系统的前景

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摘要

Many campuses have adopted the microgrid concept for decades now with backup systems that consist mostly of diesel generators. To help achieve energy sustainability and mitigate climate change, these microgrids are in the forefront in promoting renewables. This paper investigates the possibilities when integrating solar energy into the existing energy system of Silliman University in Dumaguete City, Philippines. The Philippines has abundant solar radiation most times of the year. This study looks at the components of an optimal solar-diesel-grid system along with anticipated costs and other details. The study can provide insights into the planning and implementation of similar projects as it not only highlights the most cost-effective system configuration but goes deeper into choosing a system beyond the cost of energy. The software used in the optimization is HOMER, a popular tool used in microgrid design optimization. With the minimum renewable fraction between 5% to 10%, the most cost-effective system is composed of 400kW solar PV, three diesel generators, 200 kW converter, no batteries, and with a connection to the grid. At a minimum renewable energy fraction of 15%, the most cost-effective system is composed of 500kW solar PV, three diesel generators, 300kW converter, no batteries, also with a connection to the grid. Sensitivity analysis has been done to see the effect of diesel prices and the minimum renewable fraction.
机译：数十年来，许多校园都采用了微电网概念，其后备系统主要由柴油发电机组成。为了帮助实现能源可持续性和缓解气候变化，这些微电网在推广可再生能源方面处于前沿。本文研究了将太阳能整合到菲律宾杜马格特市Silliman大学现有能源系统中的可能性。菲律宾一年中的大部分时间都有丰富的太阳辐射。这项研究着眼于最佳的太阳能-柴油-电网系统的组成以及预期的成本和其他细节。这项研究不仅可以突出最具成本效益的系统配置，而且可以更深入地选择能源成本以外的系统，从而可以为类似项目的计划和实施提供见识。优化中使用的软件是HOMER，HOMER是用于微电网设计优化的流行工具。具有5％至10％的最小可再生比例，最具成本效益的系统由400kW太阳能PV，三台柴油发电机，200 kW变流器，无电池以及与电网的连接组成。以15％的最低可再生能源比例，最具成本效益的系统由500kW太阳能PV，三台柴油发电机，300kW转换器，无电池以及与电网连接组成。进行了敏感性分析，以查看柴油价格和最低可再生分数的影响。

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