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Conference Paper/Proceeding/Abstract 1184 views 227 downloads

Control and derating of a PV inverter for harmonic compensation in a smart distribution system

Grazia Todeschini

Power & Energy Society General Meeting, 2017 IEEE, Pages: 1 - 5

Swansea University Author: Grazia Todeschini

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DOI (Published version): 10.1109/PESGM.2017.8274607

Abstract

Due to the high number of photovoltaic (PV) inverters installed, in some regions of the UK the power generated under peak conditions exceeds the transmission system capacity limits. With the aim to mitigate this condition and operate the grid within its design limits, utilities curtail PV output pow...

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Published in: Power & Energy Society General Meeting, 2017 IEEE
ISBN: 978-1-5386-2212-4
ISSN: 1944-9933
Published: Chicago, IL USA Energizing a more secure, resilient, and adaptable grid 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa35004
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Abstract: Due to the high number of photovoltaic (PV) inverters installed, in some regions of the UK the power generated under peak conditions exceeds the transmission system capacity limits. With the aim to mitigate this condition and operate the grid within its design limits, utilities curtail PV output power, thus causing financial loss for the PV system owners and limiting the use of the installed components. The control system proposed in this paper allows using the PV inverter as an Active Filter (AF), when the output power is curtailed, thus improving the system power quality and exploiting the installed MVA. A novel contribution is the description of a harmonic derating coefficient which limits harmonic current injection based on the fundamental current generated by the inverter. The proposed application fits within the scope of the smart grid, where multi-functional inverters can be controlled by utilities to improve grid operating conditions.
College: Faculty of Science and Engineering
Start Page: 1
End Page: 5

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