Impact of On-Grids Solar PV Rooftop on Low Voltage Grid Systems: A Case Study of PEA Udonthani, Thailand

Weerachat Khuleedee; Arkom Kaewrawang; Kittipong Tonmitr

doi:10.4028/www.scientific.net/AMM.781.296

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 781Impact of On-Grids Solar PV Rooftop on Low Voltage...

Impact of On-Grids Solar PV Rooftop on Low Voltage Grid Systems: A Case Study of PEA Udonthani, Thailand

Abstract:

This paper presents the impact of on-grid solar PV rooftop on local power systems of 10 kW - typical low voltage power rating for households campaigned by Thai Government. The overvoltage, frequency variation and harmonic contamination was investigated and analyzed. The condition of peak power generated from PV was also considered. The experimental data used for the analysis were collected by turning on and off the solar PV system of PEA power system on Udonthani province, Thailand for every hour with duration time between 6.00 AM and 6.00 PM. The results showed that the voltage at the connecting point of solar PV rooftop to the grid increases from 5-8 V (2.3-3.6%.).The frequency slightly increases from 49.97-50.06 Hz. In addition, the total harmonic distortion is not significantly different - varying in narrow range of 0.1-0.2 VTHD.

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Periodical:

Applied Mechanics and Materials (Volume 781)

Pages:

296-299

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.781.296

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Online since:

August 2015

Authors:

Weerachat Khuleedee, Arkom Kaewrawang*, Kittipong Tonmitr

Keywords:

Low Voltage Grid Systems, On Grid, Over Voltage, Solar PV Rooftop

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* - Corresponding Author

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