为保健中心提供光伏和电池供电的技术经济评估

Energy Storage Pub Date : 2024-07-04 DOI:10.1002/est2.644
Samuel Degarege Ngusie, Derara Duba Rufo
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引用次数: 0

摘要

在发展中国家,配电网络往往不足,特别是在小型医疗中心。因此,电网提供的电能经常中断。这一问题严重影响了这些保健中心为这些地区居民提供服务的效率和质量。将电池存储系统和可再生能源纳入配电系统可以解决这一问题。这些可再生能源的供应将大大有助于向客户直接输送能源。部分情况下,电网会在有限的范围内支持这种系统,以保证能源供应的连续性。本研究试图解决频繁停电造成的问题及其经济损失。为了应对上述挑战,我们尝试用太阳能和蓄电池供电来改造柴油发电机。PVsyst 软件显示,选定区域的全球平均太阳辐射为 5.84 kmh / m 2 / day $$$ 5.84 \mathrm{kmh}/{\mathrm{m}}^2/\mathrm{day} $$ 。2023 年,Gedeo 卫生中心的年能源需求为 3.32 兆瓦时,而拟议的光伏-电池混合系统的发电量为 10.95 兆瓦时。此外,当我们使用柴油发电机时,资本成本 (CC)、净现值成本 (NPC)、平准化能源成本 (LCOE) 和投资回收期分别为 12 452.25 美元、13 369.12 美元、0.1 美元和 10.7 年。拟议系统的经济评估结果连续为 4083 美元、4727 美元、0.059 美元和 3.8 年。在埃塞俄比亚南部,仅柴油发电机的年排放量(不包括车辆的排放量)就接近 692 吨。因此,从经验经济评估来看,安装的太阳能比现有系统的效益高出 90%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Techno-economic assessment of photovoltaic along with battery power supply for health centers

In developing countries, electrical power distribution networks are often inadequate, particularly in small health centers. As a result, the electrical energy supplied by the grid is frequently interrupted. The productivity and quality of service delivered by these health centers to the people who live in these areas are severely affected by this issue. This issue can be resolved by incorporating battery storage systems along with renewable energy sources into the distribution system. The direct delivery of energy to customers is greatly aided by these renewable energy supplies. Partially, the grid supports such a system on a limited scale to guarantee the continuity of the energy supply. This study tried to resolve the problem due to these frequent power outages and its economic expenditures. To address the illustrated challenges, we tried to renovate the diesel generator with a solar and battery energy supply. The PVsyst software shows the average global solar radiation in the selected zone is 5.84 kmh / m 2 / day $$ 5.84\ \mathrm{kmh}/{\mathrm{m}}^2/\mathrm{day} $$ . The annual energy demand for Gedeo health centers in 2023 is 3.32 MWH and the proposed PV-battery hybrid system has a 10.95 MWH capacity. Moreover, when we utilize a diesel generator the Capital cost (CC), Net present cost (NPC), levelized cost of energy (LCOE), and payback period are 12 452.25$, 13 369.12$, 0.1$, and 10.7 years respectively. The economic assessment result of the proposed system is 4083$, 4727$, 0.059$, and 3.8 years consecutively. In southern Ethiopia, the annual emission from diesel generators alone, excluding the emission from the vehicles is close to 692 tons. Consequently, from the empirical economic assessment the installed solar energy is 90% more beneficial than the existing system.

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