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Performative analysis of an eccentric solar-wind combined system for steady power yield

机译：偏心太阳风组合系统的稳定发电性能分析

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摘要

The solar and wind power generation is stochastic in nature. Consequently, it is difficult to obtain steady power output from these renewable sources. Storage element (mainly battery) used in typical solar/wind hybrid system has also its inherent shortcomings. However, power generation from renewable energy sources like solar and wind is having paramount significance in the context of impending fossil fuel shortage, environmental degradation, remote electricity supply, etc. Hence, an alternate mechanism for hybridization of solar and wind resources to obtain a steady power output could undoubtedly be a great accomplishment in prevailing energy scenario across the world. The present paper analyses the performance of such an eccentric solar-wind hybridized model with spring storage system which is capable of delivering steady power yield despite intermittency of the sources. The likely annual performance of this unusual solar-wind hybridized model is evaluated under a sub-tropical climatic condition in north-east India in terms of various characteristics and effective performance indicators such as energy generation characteristics, effect of storage capacity, efficiency of the generating system, capacity factor of the plant, energy to load ratio, normalized power yield, and plant utilization factor. The considered system in the paper has been designed and simulated in LabVIEW graphical programming environment. It has been found for the given climatic condition that maximum wind energy and solar energy fraction of the plant reaches up to 84% and 16% respectively with annual average efficiency of 24.21% for wind turbine unit and 65.52% for solar thermal unit. To make evident the success of the system, a performative comparison has been drawn with obtained results in the proposed scheme and the testified results in existent solar-wind renewable energy system. The analysis in the study substantiates that performance of the proposed hybridized model is considerably superior to that of conventional and established solar-wind based hybrid technologies. (C) 2015 Elsevier Ltd. All rights reserved.
机译：太阳能和风力发电本质上是随机的。因此，难以从这些可再生资源获得稳定的电力输出。典型的太阳能/风电混合系统中使用的存储元件（主要是电池）也有其固有的缺点。然而，在即将发生化石燃料短缺，环境恶化，偏远电力供应等情况下，利用可再生能源（例如太阳能和风能）发电具有至关重要的意义。因此，太阳能和风能混合利用以获得稳定能源的另一种机制在全球流行的能源形势下，功率输出无疑是一项巨大的成就。本文分析了这种带有弹簧储能系统的偏心太阳风混合模型的性能，该模型能够在源不固定的情况下提供稳定的发电量。在印度东北亚热带气候条件下，根据各种特征和有效的性能指标（例如，发电特性，存储容量的影响，发电效率）评估了这种异常的太阳风混合模型的可能年度性能。系统，工厂的容量因子，能量负载比，归一化的发电量和工厂利用率。本文中考虑的系统已在LabVIEW图形化编程环境中进行了设计和仿真。已经发现，在给定的气候条件下，该工厂的最大风能和太阳能比例分别达到84％和16％，其中风力涡轮机的年平均效率为24.21％，太阳能热力装置的年平均效率为65.52％。为了证明该系统的成功，在提出的方案中进行了性能比较，得到的结果与已有的太阳风可再生能源系统的验证结果进行了比较。该研究中的分析证实，所提出的混合模型的性能大大优于传统的和已建立的基于太阳风的混合技术。 （C）2015 Elsevier Ltd.保留所有权利。

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