Experimental Testing and Model Validation of a Decoupled-Phase On-Load Tap Changer Transformer in an Active Network [PDF]
, 2016 Owing to the increasing penetration of single-phase small generation units and electric vehicles connected to distribution grids, system operators are facing challenges related to local unbalanced voltage rise or drop issues, which may lead to a ...
Coppo, Massimiliano +3 more
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The Performance of a Three-Phase Induction Motor under and over Unbalance Voltage
Tikrit Journal of Engineering Sciences, 2022 Voltage unbalance is an adverse global phenomenon impacting three-phase induction motor output. Three-phase source voltage may become imbalanced in a variety of respects, while a balanced system preserves stable voltage magnitude and angles in three ...
Abdulsatar H. Jassim +2 more
doaj
Energies, 2019 Due to the unbalanced three-phase loads, the single-phase distributed photovoltaic (PV) integration, the long feeders, and the heavy loads in a three-phase four-wire low voltage distribution network (LVDN), the voltage unbalance factor (VUF), the network
Shunjiang Lin +6 more
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A Centralised Control Method for Tackling Unbalances in Active Distribution Grids [PDF]
, 2018 Traditional distribution network operators are gradually being transformed to system operators, using modern technologies to ensure a secure and efficient operation in a rapidly changing and uncertain environment.
Aristidou, P +2 more
core +1 more source
Voltage Management in Unbalanced Low Voltage Networks Using a Decoupled Phase-Tap-Changer Transformer [PDF]
, 2014 The paper studies a medium voltage-low voltage transformer with a decoupled on load tap changer capability on each phase. The overall objective is the evaluation of the potential benefits on a low voltage network of such possibility.
Coppo, Massimiliano +3 more
core +1 more source
Three-phase OPF based local flexibility market for mitigating unbalanced voltage in distribution systems [PDF]
, 2021 This paper presents a three-phase optimal power flow (TOFP) based method for mitigating the voltage unbalance factor (VUF) with the help of demand-side flexibility.
Fan, Jiabin, Kockar, Ivana
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Journal of King Saud University: Engineering SciencesVoltage unbalance factor in three-phase power systems adversely affects induction motor performance and efficiency, particularly in industrial settings.
Murat GÖZTAŞ, Mehmet ÇUNKAŞ
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Globally Optimal Control of IBR for Grid Harmonic and Unbalanced Voltage Attenuation
IEEE AccessThe simultaneous presence of harmonic and unbalanced voltages has become a major concern of power quality in power systems. Most existing research based on inverter-based resource (IBR) focuses on the separate control of harmonic or unbalanced voltages ...
Yukun Qiu +5 more
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Control algorythm of a smart grid device for optimal radial feeder load reconfiguration [PDF]
, 2013 Secondary distribution network, generally speaking, performs as well as the performance of its LV feeders. The main problem a feeder is experiencing is the load unbalancing due to the stochastic nature of its individual single-phase loads: bigger losses ...
Jordaan, J A, Nicolae, D V
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Distributed Cooperative Secondary Voltage Control in an Unbalanced Microgrid
CSEE Journal of Power and Energy SystemsThe negative-sequence reactive power-conductance (Q-G) droop control strategy is a conventional method to compensate for the output unbalanced voltages in an islanded MG.
Xiangzhen Yang +5 more
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