Performance evaluation of roof top solar photovoltaic systems in Tamilnadu

International Journal of Applied Power Engineering Pub Date : 2019-12-01 DOI:10.11591/IJAPE.V8.I3.PP265-276

M. Aravindan, V. Balaji, V. Saravanan, M. Arumugam

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引用次数: 2

Abstract

This manuscript reports the monitored performance results of roof top solar photovoltaic (PV) power plants in different parts of Tamilnadu, India. In this work, PV plants of capacities 84 kWp and 18 kWp located at Tirunelveli and Ranipet respectively in Tamilnadu are considered. During an eight month period, of September 2014 to April 2015, these plants had generated 43.99 MWh and 15.55 MWh units of electricity respectively. The average electricity production per day for the considered period of these plants is 181.74 kWh and 62.81 kWh respectively. The performance ratio (PR) of these plants PV1 and PV2 is found to be 0.52 and 0.86 respectively. The characteristics of poly crystalline PV modules and the performance of employed photovoltaic inverters are also analyzed.It is observed that external conditions like climate and bad weather significantly reduces the PV system output, whereas it reduces marginally due to inverter failure as observed from the values of energy yield and performance ratio of these plants. Online monitoring of PV plant with DC/AC line and phase voltages and current waveforms observed for the given day are also presented.

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泰米尔纳德邦屋顶太阳能光伏系统性能评价

本文报告了印度泰米尔纳德邦不同地区屋顶太阳能光伏(PV)发电厂的监测结果。在这项工作中，考虑了分别位于泰米尔纳德邦蒂鲁内尔维利和拉尼佩特的84千瓦时和18千瓦时的光伏电站。在2014年9月至2015年4月的8个月期间，这些电厂分别产生了43.99兆瓦时和15.55兆瓦时的电力。这些电厂在考虑期间的平均日发电量分别为181.74千瓦时和62.81千瓦时。PV1和PV2的性能比(PR)分别为0.52和0.86。本文还分析了多晶光伏组件的特性以及所采用的光伏逆变器的性能。可以看出，气候和恶劣天气等外部条件显著降低了光伏系统的输出，而从这些电站的发电量和性能比值来看，由于逆变器故障，光伏系统的输出略有下降。本文还介绍了利用观测到的直流/交流线电压、相电压和电流波形对光伏电站进行在线监测的方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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International Journal of Applied Power Engineering

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