NDLI: Comprehensive optimal photovoltaic inverter control strategy in unbalanced three-phase four-wire low voltage distribution networks

Content Provider	IET Digital Library
Author	Su, Xiangjing Masoum, Mohammad A. S. Wolfs, Peter
Abstract	The continuous expansion of consumer-driven installations of residential rooftop photovoltaic (PV) systems causes serious power quality, notable voltage variations and unbalance, which limit the number and capacity of the further connections. The latent reactive power capability of PV inverters can increase the network PV hosting capability. This study proposes both reactive power control and real power curtailment as a comprehensive inverter control strategy to improve the operating performance of unbalanced three-phase four-wire low voltage distribution networks with high penetrations of residential PV systems. A multi-objective optimal power flow (OPF) problem that can simultaneously improve voltage magnitude and balance profiles while minimising network loss and generation costs is defined. The solution is found using the global solver based on Sequential Quadratic Programming algorithm with multiple starting points in Matlab. Detailed simulations are performed and analysed for typical operating scenarios over 24-h period on a real three-phase four-wire unbalanced distribution network in Perth Solar City trial, Australia. Smart meter readings are used to justify the accuracy and validation of the network model and the proposed multi-objective OPF model.
Starting Page	1848
Ending Page	1859
Page Count	12
ISSN	17518687
Volume Number	8
e-ISSN	17518695
Issue Number	Issue 11, Nov (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/8/11
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2013.0841
Journal	IET Generation, Transmission & Distribution
Publisher Date	2014-05-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Australia Comprehensive Inverter Control Strategy Comprehensive Optimal Photovoltaic Inverter Control Strategy Consumer-driven Installations Control of Electric Power System Distributed Power Generation Distribution Network Generation Cost Invertors Load Flow MATLAB Multi-objective Optimal Power Flow Multiobjective OPF Model Network Loss Network Model Network PV Hosting Capability OPF Problem Optimal Control Optimisation Technique Perth Solar City Photovoltaic Power System Power And Energy Control Power Generation Control Power Quality Power System Control PV Inverter PV System Quadratic Programming Reactive Power Capability Reactive Power Control Real Power Curtailment Residential PV System Residential Rooftop Photovoltaic System Sequential Quadratic Programming Algorithm Smart Meter Readings Solar Power Stations Unbalanced Three-phase Four-wire Low Voltage Distribution Network Voltage Magnitude Voltage Variations
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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