Characteristics of Disturbance in Frequency 9 -150 kHz of Photovoltaic System under Fluctuated Solar Irradiance

2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA) Pub Date : 2019-04-01 DOI:10.1109/ICPEA.2019.8818539

B. Sudiarto, A. Zahra, F. H. Jufri, I. Made Ardita, C. Hudaya

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引用次数: 5

Abstract

Photovoltaic (PV) systems generally use the inverter to convert Direct Current (DC) power into Alternating Current (AC) power so that it can be combined with the utility grid system. The inverter may generate a disturbance in the frequency range between 9 – 150 kHz due to its frequency switching, which may degrade the power quality and affect the performance of other equipment connected to the system. In this manner, this paper presents an investigation of disturbance characteristics in the frequency between 9-150 kHz generated by an inverter of the PV system under fluctuated solar irradiance. This study explores the correlation between different solar irradiance with the disturbance generated by the inverter. Two types of the PV system are investigated, such as off-grid and on-grid system. The results show that a higher solar irradiance generates a higher disturbance. Furthermore, it is also shown that the off-grid system generates higher disturbance (7.6%-30.8% per 100W/m2) than the on-grid system (2.6%-14.12% per 100W/m2).

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太阳辐照度波动下光伏系统9 ~ 150khz频率扰动特性研究

光伏(PV)系统一般使用逆变器将直流电(DC)转换成交流电(AC)，以便与公用电网系统相结合。逆变器由于频率切换，可能会在9 - 150khz的频率范围内产生扰动，从而降低电能质量，影响与系统相连的其他设备的性能。采用这种方法，本文研究了光伏系统逆变器在太阳辐照度波动下产生的9- 150khz频率扰动特性。本研究探讨了不同太阳辐照度与逆变器产生的扰动之间的关系。研究了离网和并网两种类型的光伏发电系统。结果表明，太阳辐照度越高，扰动越大。离网系统产生的扰动(7.6% ~ 30.8% / 100W/m2)高于并网系统产生的扰动(2.6% ~ 14.12% / 100W/m2)。

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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2019 IEEE 2nd International Conference on Power and Energy Applications (ICPEA)

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