Improved Method for Determining Voltage Unbalance Factor Using Induction Motors
Energies, 2022 This work shows an alternative method to determine the Voltage Unbalance Factor in a power grid by using both the mean value of the line voltages and Current Unbalance Factor in induction motors. Twenty unbalanced voltage points on three induction motors
Luis Guasch-Pesquer +3 more
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Point Estimate Method for Voltage Unbalance Evaluation in Residential Distribution Networks with High Penetration of Small Wind Turbines [PDF]
Energies, 2014 Voltage unbalance (VU) in residential distribution networks (RDNs) is mainly caused by load unbalance in three phases, resulting from network configuration and load-variations.
Chao Long +3 more
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A Comprehensive Analysis of the Voltage Unbalance Factor in PV and EV Rich Non-Synthetic Low Voltage Distribution Networks [PDF]
Energies, 2020 With the development of technology and the decrease in prices, power systems are facing a strong growth in the number of end-users with photovoltaics (PVs), battery storages and electric vehicles (EVs).
Tomislav Antić +2 more
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AI-based hybrid power quality control system for electrical railway using single phase PV-UPQC with Lyapunov optimization [PDF]
Scientific ReportsThis research paper presents an advanced AI-driven hybrid power quality management system for electrical railways that addresses critical challenges in 25 kV AC traction networks through a novel integration of single-phase PV-UPQC with ANN-Lyapunov ...
D. K. Nishad +4 more
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Voltage Unbalance, Power Factor and Losses Optimization in Electrified Railways Using an Electronic Balancer [PDF]
Electricity, 2021 Unbalanced currents, low power factor and high losses contribute to increasing the bill infrastructure managers must pay to the TSO/DSO operator that supplies electric energy to the railway system. Additionally, if regenerative energy coming from braking
António P. Martins +3 more
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Comprehensive Modeling of Induction Motor Imbalance Condition to Precise Assessment of Steady State Performance Based on Complex Current Unbalance Factor [PDF]
مجله مدل سازی در مهندسی, 2021 After a comprehensive study of voltage unbalance issue, this paper presents the defects of some unbalance factors and concentrates on the importance of considering the angle of complex voltage unbalance factor (CVUF) in order to unbalanced condition ...
Saeed Maghsoodi +3 more
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Advances in Electrical and Electronic Engineering, 2021 This paper develops a mathematical model for analyzing the steady-state performance of the Slip Power Recovery Induction Motor Drive System (SPRIMDS) which operates under unbalance supply voltage conditions.
Hilmi Fadhil Ameen, Fadhil Toufick Aula
doaj +1 more source
IEEE Access, 2021 It is well known that three-phase induction motors have to be derated in the presence of supply voltage unbalance (negative sequence) exceeding a stipulated limit of 1% based on several widely used standards.
Pathum Sudasinghe +4 more
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New Smart Sensor for Voltage Unbalance Measurements in Electrical Power Systems
Sensors, 2022 This paper deals with voltage unbalances and how they can be quantified according to the standards. Firstly, a comparison between the different unbalance voltage factors is conducted in order to remark on their divergences.
Santiago Bogarra +2 more
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The Performance of a Three-Phase Induction Motor under and over Unbalance Voltage [PDF]
Tikrit Journal of Engineering Sciences, 2021 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 ...
Abdulsatar H. Jassim +2 more
doaj +1 more source