Analysis of the Availability Curve of the 15 kW Wind–Solar Hybrid Microplant Associated with the Demand of the Power-to-Gas (PtG) Pilot Plant Located at University of La Guajira

IF 2.8 4区工程技术 Q2 ENGINEERING, CHEMICAL

Processes Pub Date : 2024-09-05 DOI:10.3390/pr12091903

Leonel Alfredo Noriega de la Cruz, Dario Serrano-Florez, Marlon Bastidas-Barranco

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Abstract

This article presents a detailed analysis of the energy availability of a 15 kW hybrid wind–solar photovoltaic microplant, designed to supply the electricity demand of the power-to-gas (PtG) pilot plant located at the University of La Guajira, Colombia. The study addresses the lack of specific data on the energy availability curve, which is essential for quantifying the production percentages of green hydrogen from wind and solar photovoltaic sources. To this end, continuous data were collected over a seven-month period, recording the daily power output from both sources. Additionally, the energy requirements of the PtG pilot plant, which relies on the microplant for its electrical supply, were determined. The results indicated that during certain periods, such as specific days in November 2022 and February and March 2023, it was necessary to rely on the conventional electrical grid for backup. Moreover, it was observed that solar photovoltaic energy contributed the most electricity to the system for green hydrogen production. In the study area, although green hydrogen production is predominantly supported by the solar photovoltaic source, it is crucial to have the backup of an additional source, such as wind, due to the intermittent nature of the climatic conditions affecting these technologies.

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拉瓜伊拉大学 15 千瓦风能-太阳能混合微型发电厂的可用性曲线分析与电力制天然气 (PtG) 试点发电厂的需求相关联

本文详细分析了位于哥伦比亚拉瓜伊拉大学的 15 千瓦风能-太阳能光伏混合微型发电厂的能源可用性，该发电厂旨在满足电转气 (PtG) 试点发电厂的用电需求。这项研究解决了缺乏能源可用性曲线具体数据的问题，而能源可用性曲线对于量化风能和太阳能光伏发电来源的绿色氢气生产百分比至关重要。为此，研究人员连续收集了七个月的数据，记录了这两种能源的日输出功率。此外，还确定了依靠微型工厂供电的 PtG 试点工厂的能源需求。结果表明，在某些时段，如 2022 年 11 月和 2023 年 2 月和 3 月的特定日子，必须依靠常规电网作为后备电源。此外，还观察到太阳能光伏发电为绿色制氢系统提供了最多的电力。在研究区域，虽然绿色制氢主要由太阳能光伏发电支持，但由于气候条件对这些技术的影响具有间歇性，因此必须有风能等其他能源作为后备。

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来源期刊

Processes Chemical Engineering-Bioengineering

CiteScore

5.10

自引率

11.40%

发文量

2239

审稿时长

14.11 days

期刊介绍： Processes (ISSN 2227-9717) provides an advanced forum for process related research in chemistry, biology and allied engineering fields. The journal publishes regular research papers, communications, letters, short notes and reviews. Our aim is to encourage researchers to publish their experimental, theoretical and computational results in as much detail as necessary. There is no restriction on paper length or number of figures and tables.