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Power boosting of a combined cycle power plant in Jordan: An integration of hybrid inlet cooling & solar systems

机译：Jordan联合循环电厂的功率提升：混合入口冷却和太阳能系统的集成

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摘要

Many developing countries like Jordan, suffer from the lack of natural resources required to supply their energy demand. As such, maximum utilization of the available energy and renewable resources becomes a necessity. ALQatrana powerplant in Jordan; operating on a combined cycle suffers from sensitivity to ambient air temperatures and the lack of full utilization of waste heat of the flue gas. In this work, the plant was simulated using the engineering equation solver, and the simulation was validated against the actual powerplant data. A cascade of absorption and mechanical chillers for inlet air cooling, along with a CSP system were proposed. These auxiliary systems were also simulated and validated against literature, then integrated with the actual power plant cycle. Results showed that using the hybrid system for inlet air cooling with a combined cycle, can be more appealing in terms of power boosting and economical profit, compared to using either alone. The proposed system showed a relative increase in power by 22.8%, a 4.3% increased efficiency, and a relative decrease in SFC by 8.4%, compared to the actual power plant. Moreover, due to the hybrid inlet air cooling unit, the system exhibited low sensitivity to variation in ambient temperatures; hence, a stable power augmentation with relative change of only 0.9% over the range of temperatures (10-50)degrees C Additionally, compared to a duct burner integration, the proposed system, led to 6.4 million dollars annual saving in fuel consumption, with a 15% less CO2 emission for equivalent power production. A comprehensive feasibility study was also performed; showing a return of investment period equal to 5.3 years, which is very promising.
机译：许多发展中国家像约旦这样的发展中国家患有提供能源需求所需的自然资源。因此，可用能源和可再生资源的最大利用成为必需品。 Alqatrana Powerplant在约旦;在组合循环上运行患有环境空气温度的敏感性以及烟气缺乏充分利用烟道气的废热。在这项工作中，使用工程方程求解器进行模拟工厂，并验证了对实际动力数据的验证。提出了一种用于入口空气冷却的吸收和机械冷却器以及CSP系统的级联。这些辅助系统也被模拟和验证了文献，然后与实际的电厂循环集成。结果表明，与单独使用的电力提升和经济利润相比，使用具有组合循环的入口空气冷却混合系统，可以更具吸引力。与实际发电厂相比，该拟议的系统表现为功率相对增加22.8％，效率增加4.3％，SFC的相对减少为8.4％。此外，由于混合入口空气冷却单元，该系统对环境温度的变化表现出低灵敏度;因此，与管道燃烧器集成相比，稳定的功率增强仅在温度范围内（10-50）的温度范围（10-50）℃，所提出的系统相比，燃料消耗的每年节省640万美元。同等电力生产的二氧化碳排放量减少15％。还进行了全面的可行性研究;显示投资期的回报等于5.3岁，这是非常有前途的。

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