高效、低成本发电新技术的开发

Z. Melikyan, S. Egnatosyan
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引用次数: 0

摘要

在过去的许多年里,电能是由大型火力发电厂(TPP)和核电站(NPP)产生的。火力发电厂是利用热能转化为机械能,最后转化为电能的原理进行发电的主要发电站。注意到的转换是由称为“兰金”循环的热力学循环的冷凝类型完成的。也有正在使用的热电联产电厂,它们是基于“布莱顿”热力联合循环运行的。这些发电厂被指定用于同时产生和分配热能和电能。因此,它们效率更高。然而,上述所有循环和符合这些循环的发电厂都是为从发电集中站向距离发电站很远的大量用户提供大量电力的发电和配电服务的发电厂。分析了现有的使用实践中所提到的发电类型,大功率集中式电站由于能量损耗大,效率和成本效益都不够。例如,采用著名的兰金循环的发电站,其COP仅为30%,因为所产生的热能约有70%要散失到周围环境中,以提供所需的发电条件。显然,这种巨大的能源损失极大地污染了环境,引起了全球气候变化,迫使各国政府采取更有力的办法来减少碳和其他有害气体的排放,提高能源生产效率,改善环境状况。因此,在研究了传统发电方式减少有害气体排放和提高能源效率的潜在可能性之后,本文的作者确信所分配的任务是不可能的,并决定提出新的和更高效率的发电技术。从这个角度来看,这篇文章可能会成为一个指导方针,可以帮助改善目前的环境和经济状况。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of High Efficiency and Cost Effective Energy Generation Novel Technology
During last, many years the electrical energy is generated in large Thermal Power Plants (TPP) and Nuclear Power Plants (NPP). Thermal Power Plants are the main electricity generating stations that are functioning based on the principle of thermal energy conversion into mechanical and finally into electrical energy. The noted conversion is accomplished by the condensation type of thermodynamic cycle that is called “Rankin” cycle. There are in use Co - generation heat and power plants too, which are functioning based on “Bryton” thermodynamic combined cycle. These plants are assigned for simultaneous generation and distribution of thermal and electrical energy. For this reason, they are more efficient. However, all mentioned cycles and conforming to them power plants serving for generation and distribution of large quantity of electricity from energy generating centralized stations to large number of consumers, which are located in significantly long distance from generating stations. The analysis of existing practice of use of mentioned types of electricity generating powerful centralized stations because of large losses of energy are not enough efficient and cost effective. For instance, the COP of electricity generating station, working by well-known Rankin cycle, makes only 30%, because about 70% of produced thermal energy should be lost to the surrounding environment for providing required conditions of electricity production. It is obvious that such big energy loses extremely pollute the environment, provoke global climate change and forces Governments adopting more forceful approaches to reduce carbon and other harmful gases rejections, increase efficiency of energy generation and improve environmental situation. For this reason, after having studied the potential possibilities of reduction of harmful gases rejections and increase of energy efficiency of electricity generation conventional mods the authors of this article became convinced in impossibility of assigned task and have decided to suggest novel and higher efficiency technology for electric energy generation. From this, point of view this article may become a guideline that can help to improve the present environmental and economic situations.
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