为亚洲最不发达国家的偏远社区优化混合能源系统
Mengly Prum1, Hui Hwang Goh1, Dongdong Zhang1
1School of Electrical Engineering, Guangxi University, No.100 Daxue Road, Nanning, Guangxi, 530004, PR China.
Heliyon
|May 3, 2024
概括
混合可再生能源系统为最不发达国家的电力短缺提供了可持续的解决方案. 将太阳能光伏,风能和电池存储与柴油发电机相结合,可显著降低成本和碳排放.
科学领域:
- 可再生能源系统可再生能源系统
- 可持续发展 可持续发展 可持续发展
- 能源经济学 能源经济学
背景情况:
- 最不发达国家 (LDC) 的电力短缺阻碍了经济和社会进步.
- 在偏远地区依赖柴油发电机导致价格波动和大量的二氧化碳排放.
- 可再生能源技术的进步促进了混合能源系统 (HES) 的可靠,经济高效和环保的发电.
研究的目的:
- 评估混合能源系统 (HES) 的技术经济可行性,将太阳能光伏,风能和电池储能与现有的柴油发电机集成在一起.
- 分析柬埔寨,老,缅甸和孟加拉国的四个不同的位置,以找到最佳的HES配置.
- 为最不发达国家的偏远地区确定最有效和可持续的能源解决方案.
主要方法:
- 使用多种能源资源的混合优化 (HOMER) 软件用于对各种混合系统组合的技术经济分析.
- 采用多标准决策 (MCDM) 技术,包括AHP,TOPSIS,EDAS和PROMETHEEE II,以验证HOMER的结果.
- 评估环境,经济和技术因素,以进行全面的系统评估.
主要成果:
- 确定的最佳解决方案是混合系统,将太阳能光伏 (PV) 和柴油发电机与电池存储相结合.
- 对于柬埔寨的案例研究,该系统实现了89%的光伏透率,电力成本 (COE) 为0.257美元/千瓦时,初始资本成本 (IC) 为244,277美元,净当前成本 (NPC) 为476,216.16美元.
- 与仅使用柴油系统相比,拟议的混合系统可以减少每年大约50005公斤的二氧化碳排放,同时降低电力成本.
结论:
- 混合能源系统,特别是带电池存储的光伏/柴油,为最不发达国家发电提供了可行且有利的解决方案.
- 这种方法有效地解决了能源获取挑战,减轻了环境影响,并提供了经济优势.
- 该研究为在服务不足的地区实施可持续能源解决方案提供了坚实的框架.
更多相关视频
10:36Author Spotlight: Optimization of Airflow Velocities in Battery Cooling Systems for Enhanced Thermal Performance and Reduced Energy Consumption
Published on: November 3, 2023
1.5K
09:09Asymmetric Thermoelectrochemical Cell for Harvesting Low-grade Heat under Isothermal Operation
Published on: February 5, 2020
6.9K
相关概念视频
Fast Decoupled and DC Powerflow
191
The fast decoupled power flow method addresses contingencies in power system operations, such as generator outages or transmission line failures. This method provides quick power flow solutions, essential for real-time system adjustments. Fast decoupled power flow algorithms simplify the Jacobian matrix by neglecting certain elements, leading to two sets of decoupled equations:
191
Secondary Distribution
84
Secondary distribution systems provide electrical energy at the utilization voltage levels from distribution transformers to customer meters. Typical secondary voltages in the United States include 120/240 V for residential use, 208Y/120 V for residential and commercial use, and 480Y/277 V for industrial and high-rise commercial use.
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
In residential areas, 120/240 V single-phase, three-wire service is commonly used for lighting, outlets, and large appliances. Urban areas with high-density loads...
84
Batteries and Fuel Cells
27.3K
A battery is a galvanic cell that is used as a source of electrical power for specific applications. Modern batteries exist in a multitude of forms to accommodate various applications, from tiny button batteries such as those that power wristwatches to the very large batteries used to supply backup energy to municipal power grids. Some batteries are designed for single-use applications and cannot be recharged (primary cells), while others are based on conveniently reversible cell reactions that...
27.3K
Primary Distribution
102
Primary distribution systems deliver electrical power from substations to consumers through various voltage classes, with 15-kV class voltages being predominant among U.S. utilities. Older 2.5- and 5-kV classes are being replaced by 15-kV primaries, while higher 25- to 34.5-kV classes are used in high-density urban areas and rural regions with long feeders. Three-phase, four-wire multigrounded systems are widely employed for balanced power delivery, using the neutral wire as a grounding point.
102
Distribution Reliability and Automation
107
Distribution reliability in electrical power systems is critical for ensuring an uninterrupted power supply to consumers at minimal cost. According to IEEE Standard Terms, reliability is the probability that a device will function without failure over a specified time period or amount of usage. For electric power distribution, this translates to maintaining continuous power supply and addressing customer concerns over power outages. Several indices, as defined by IEEE Standard 1366-2012, are...
107
Power Factor Correction
172
The power transmission to a factory involves the transfer of apparent power, a combination of active and reactive power. The power factor measures how effectively electrical power is converted into useful work output. The ratio of the real power (KW) that does the work to the apparent power (KVA) supplied to the circuit.
172
