Results 11 to 20 of about 27,716 (308)
Theoretical analysis of the voltage unbalance factor to characterize unbalance problems in induction motors [PDF]
, 2021 Voltage Unbalance (VU) is one of the most common power quality problems in industrial electrical systems and it is a subject of systematic study. This problem affects the operation and the efficiency of Induction Motors (ims), which are the loads that ...
Sousa Santos, Vladimir +4 more
core +1 more source
Rotordynamic Faults: Recent advances in diagnosis and prognosis [PDF]
, 2013 Diagnosis and condition monitoring in rotating machinery has been a subject of intense research for the last century. Recent developments indicate the drive towards integration of diagnosis and prognosis algorithms in future Integrated Vehicle Health ...
Ian K. Jennions +5 more
core +1 more source
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
doaj +1 more source
Cost Allocation of Voltage Unbalance in Distribution Networks
, 2020 The proliferation of distributed generation has increased the complexity of voltage regulation in distribution networks. Asymmetrical line impedance, the presence of single phase generation and unbalanced loading can produce voltage unbalance.
Joel Kennedy +5 more
core +1 more source
Improving power quality of distributed pv-ev distribution grid by mitigating unbalance [PDF]
, 2019 © 2019 IEEE. Increasing price of fossil fuels and public awareness encouraged many countries to use clean technologies in transport and electricity generation sector. The advent of smart meters can identify unbalance in PV-EV distribution grid which is a
Islam, MR +7 more
core +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
doaj +1 more source
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
openaire +1 more source