Results 1 to 10 of about 33,988 (309)
Time Dependency of Current Harmonics for Switch-Mode Power Supplies
Applied Sciences, 2020 This paper presents the time-dependent variance in the current harmonics emission by power supplies during power quality measurements. Power quality problems are becoming more significant with the adoption of power electronic-based circuits such as power
Muhammad Naveed Iqbal +5 more
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Harmonic feature of 27.5 kV traction power system in a Chinese high‐speed railway
IET Electrical Systems in Transportation, 2022 The key to controlling harmonics in high‐speed railways is to get information on its harmonic feature. In this study, a continuous 24 h harmonic observation is carried out in Ji'an West traction substation of a typical Chinese high‐speed railway. In both
Yadong Fan +7 more
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Current Harmonic Suppression of BLDC Motor Utilizing Frequency Adaptive Repetitive Controller
Machines, 2022 Compared to the proportional-integral strategy, the repetitive control strategy possesses high suppression ability for the alternating current (AC) harmonics of control signals.
Tianqing Yuan, Yupeng Zhang
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The Power Losses in Cable Lines Supplying Nonlinear Loads
Energies, 2021 This paper presents the skin effect impact on the active power losses in the sheathless single-core cables/wires supplying nonlinear loads. There are significant conductor losses when the current has a distorted waveform (e.g., the current supplying ...
Bartosz Rozegnał +4 more
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Tikrit Journal of Engineering Sciences, 2018 The aim of this paper is to analyze the influence of adding serial inductance in AC side of the 3ph -6 pulse bridge rectifier on the reduction of harmonic distortion rate. A simulated model with serial inductance was analyzed.
Ghanim Thiab Hasan +2 more
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Testing Sensitivity of A-Type Residual Current Devices to Earth Fault Currents with Harmonics
Sensors, 2020 In many applications, modern current-using equipment utilizes power electronic converters to control the consumed power and to adjust the motor speed. Such equipment is used both in industrial and domestic installations.
Stanislaw Czapp
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IEEE Open Journal of Power Electronics, 2020 This paper presents a spatial harmonics compensation method for mutually coupled switched reluctance machines (MCSRMs) with sinusoidal current excitation. The regulation by linear controllers to achieve sinusoidal currents in MCSRMs is challenging due to
Peter Azer +2 more
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Current Harmonic Suppression for Dual Three-Phase Permanent Magnet Synchronous Motor Drives
IEEE Access, 2019 Due to motor asymmetry and system nonlinear factors, the dual three-phase permanent magnet synchronous motor (PMSM) drives produce a large number of current harmonics during operation. Based on the Vector Space Decoupling model, the six-phase currents of
Zhihuang Ruan, Wenxiang Song, Yan Yan
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IEEE Access, 2020 Energy conversion efficiency and output current harmonic distortion are two key performance measures of small-scale grid-connected distributed generation (DG) systems.
Bo Cao +3 more
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Energy Reports, 2022 Due to the existence of high amount stator current harmonics caused by the inverter nonlinearity, the operation performance of Permanent Magnet Servo System (PMSS) used Proportional–Integral (PI) controller will be affected.
Tianqing Yuan +3 more
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