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首页> 外文期刊>International journal of sustainable engineering >Performance assessment of 20.4 kW eco-house grid-connected PV plant in Oman
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Performance assessment of 20.4 kW eco-house grid-connected PV plant in Oman

机译：阿曼20.4千瓦生态屋网格连接光伏厂的性能评估

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摘要

The aim of this article is to analyse the performance of the Photovoltaic (PV) and to study the effect of soiling on the energy generation under Muscat environmental conditions. The generated energy is consumed in the eco-house, and the access energy is fed back to the electric grid. Two-ways metre was used to record the energy taken from the grid or fed back to the grid. The system was monitored from December 2014 until today. Various performance parameters of the plant were evaluated which include system efficiency, performance ratio (PR), capacity factor (CF) and different types of PV system losses and yields. The annual average values of recorded ambient temperature and solar radiation were 32 degrees C and 482 W/m(2), respectively. The total annual energy produced was 23,595 kWh, whereas the annual average daily reference yield, array yield and final yield were 5.59, 3.78 and 3.64 kWh/kW(P)/day, respectively. The annual average daily PR and CF were 0.67 and 0.15, respectively, while the annual average system efficiency was 10.3%. Furthermore, the annual average daily capture, system and cell temperature losses were 1.82, 0.14 and 2.95 h/day,respectively, with a small reduction in energy production when modules left uncleaned.
机译：本文的目的是分析光伏（PV）的性能，并研究污染对马斯喀特环境条件下的能量产生的影响。在生态室中消耗产生的能量，并且进入电网进入电网。两种方式用于记录从网格取出的能量或反馈到电网。该系统于2014年12月监测到今天。评估植物的各种性能参数，包括系统效率，性能比（PR），容量因子（CF）和不同类型的PV系统损失和产量。记录的环境温度和太阳辐射的年平均值分别为32℃和482 w / m（2）。所产生的总量为23,595千瓦时，而年均每日参考产量，阵列产量和最终产量分别为5.59,3.78和3.64 kWh / kw（p）/天。年平均每日PR和CF分别为0.67和0.15，而年度平均系统效率为10.3％。此外，每年平均日常捕获，系统和细胞温度损失分别为1.82,0.14和2.95小时/天，当模块未切割时，能量产生的少量减少。

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