N Kanaga Bharathi, Abirami Manoharan, Vighneshwari Devi, Hariprasath Manoharan
Research Scholar, Department of Electrical Engineering, Annamalai University, Chidambaram, Tamil Nadu, India.
Department of Electrical Engineering, Annamalai University, Chidambaram, Tamil Nadu, India.
Sci Rep. 2025 Jul 1;15(1):21114. doi: 10.1038/s41598-025-08171-3.
This study is focusing on the techno-economic optimization of hybrid renewable energy systems and the energy. The system integrates geothermal, wind, and solar sources for sustainable hydrogen production its important. The objective is to maximize energy efficiency, reduce operational costs, and ensure stable energy delivering. A simulation-based framework is used for analyse system behaviour under various environmental conditions it helps. The scope includes defining parameter, sensitivity analysis, and optimization using iterative algorithms which are complex. Time-step simulations evaluating energy dynamics help to and performance trade-offs, which is necessary for understanding. The proposed hybrid system achieves 78.5% energy efficiency and 64.3% exergy efficiency, and this is good. It produces 500 kg of hydrogen daily with an LCOE of $0.085 per kWh, which is quite low. Sensitivity results show that a 15% increase in wind speed improves output by 10%, and this is significant. A 20% drop in solar irradiance reduces output by 8%, which is not good. Geothermal contributes 40% of the total energy share, with wind and solar supplying 35% and 25%, respectively, and this shows balance. Optimization improves hydrogen production efficiency by 12% and leads to a six-year payback period, which is reasonable. The system shows resilience under load changes, supporting its robustness that is impressive. The findings validate the system's scalability and economic potential, which is promising for future. Future work will explore advanced storage and real-time adaptive control.
本研究聚焦于混合可再生能源系统及其能源的技术经济优化。该系统整合了地热能、风能和太阳能以实现可持续制氢,这一点很重要。目标是使能源效率最大化、降低运营成本并确保稳定的能源供应。使用基于模拟的框架来分析系统在各种环境条件下的行为,这很有帮助。范围包括定义参数、敏感性分析以及使用复杂的迭代算法进行优化。时间步长模拟评估能源动态有助于进行性能权衡,这对于理解是必要的。所提出的混合系统实现了78.5%的能源效率和64.3%的火用效率,这很不错。它每天生产500千克氢气,平准化度电成本为每千瓦时0.085美元,这相当低。敏感性结果表明,风速增加15%可使产量提高10%,这很显著。太阳辐照度下降20%会使产量降低8%,这不太好。地热能占总能源份额的40%,风能和太阳能分别占35%和25%,这显示出平衡。优化使制氢效率提高了12%,并带来了六年的投资回收期,这是合理的。该系统在负载变化下表现出弹性,支持其令人印象深刻的稳健性。研究结果验证了该系统的可扩展性和经济潜力,这对未来很有前景。未来的工作将探索先进的存储和实时自适应控制。