Results 11 to 20 of about 85,414 (206)
Point estimate method for voltage unbalance evaluation in residential distribution networks with high penetration of small wind turbines [PDF]
, 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.
Farrag , Mohamed Emad A. +3 more
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Energies, 2020 The growing penetrations of rooftop photovoltaics (PVs) into low-voltage (LV) distribution networks are challenging voltage regulation. Developing an effective volt-var (VV) control has been the focus of many researchers with various approaches proposed ...
Xiangjing Su +6 more
doaj +1 more source
Method of specifying the centrifugal loads of shafts in calculation of the rotor unbalance behavior
St. Petersburg Polytechnical University Journal: Physics and Mathematics, 2023 In the paper, a calculation method for specifying the centrifugal loads (SCLM) of free turbine rotors (turbine shaft unbalance method) has been put forward.
Usmanov Anton, Modestov Victor
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Gong-kuang zidonghua, 2015 In view of problem that negative sequence components in unbalanced coal mine power system affect stable running of electric locomotive, and in order to satisfy control strategy of three-phase PWM rectifier, the characteristics of asymmetric signal under ...
HUANG Zhichao +2 more
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Tradeoffs between AC power quality and DC bus ripple for 3-phase 3-wire inverter-connected devices within microgrids [PDF]
, 2011 Visions of future power systems contain high penetrations of inverters which are used to convert power from dc (direct current) to ac (alternating current) or vice versa.
Burt, Graeme M. +2 more
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A Method for Balancing a Single-Phase Loaded Three-Phase Induction Generator
Energies, 2012 When a three-phase induction generator (IG) supplies unbalanced loads, its terminal voltages and line currents are also unbalanced, which may cause the IG to overheat and need to be derated.
Yaw-Juen Wang, Ming-Hsueh Lee
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Adjustable Vibration Exciter Based on Unbalanced Motors
Sensors, 2023 In European industry, such as metallurgical, mining and processing, construction, food, and chemical, vibration exciters are used, which indicates their wide and, in some cases, unique technological capabilities.
Volodymyr Osadchyy +8 more
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Neutral conductor current in three-phase networks with compact fluorescent lamps [PDF]
, 2013 In this paper, expressions of the neutral conductor current in three-phase networks with compact fluorescent lamps (CFLs) are obtained from a CFL “black-box” model proposed in the literature.
Cunill Solà, Jordi +2 more
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Analysis on Unbalance Protection of SCB [PDF]
Applied Mechanics and Materials, 2013 Shunt capacitor is a main measure to reactive power compensation of power system, which has the advantages of flexibility and economy. In order to guarantee the safety of shunt capacitor, the methods for protecting against over-voltage, under-voltage, over-current and unbalance in circuits according to the different operation modes are used. This paper
Qiang Fu, Jing-jie Hu, Xiao-ping Xiong
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Aero-Engine Rotor Assembly Process Optimization Based on Improved Harris Hawk Algorithm
Aerospace, 2022 Multi-stage disc rotor assembly is an important part of the aero-engine rotor manufacturing process. To solve the problem that excessive unbalance of assembly affects the vibration of the whole machine, this paper presents an optimization method for aero-
Bin Zhang +4 more
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