On the self-excitation mechanisms of Plasma Series Resonance oscillations in single- and multi-frequency capacitive discharges [PDF]
, 2015 The self-excitation of plasma series resonance (PSR) oscillations is a prominent feature in the current of low pressure capacitive radio frequency (RF) discharges.
Brandt, Steven +5 more
core +3 more sources
An MOA Deterioration Monitoring Method Based on an Improved HMM
Zhejiang dianli, 2022 In view of MOA （metal-oxide arrester） deterioration monitoring， a monitoring method based on an improved hidden Markov model （HMM） is proposed. An improved HMM model used for MOA deterioration monitoring is established by obtaining MOA leakage current ...
FANG Yiyue +4 more
doaj +1 more source
, 2001 The generation of harmonics of the voltage response is considered when an AC current is applied through a superconducting film above T_c. It is shown that almost at all temperatures the mechanism of the temperature oscillations created by the AC current ...
Chéenne, Nicolas +3 more
core +1 more source
Effect of winding harmonics on the asynchronous torque of a single-phase line start permanant-magnet motor [PDF]
, 2005 This paper presents an analytical method for calculating the effect of winding harmonics on the asynchronous torque of a single-phase line-start permanent-magnet motor.
daSilva, C. +5 more
core +1 more source
The HVDC commutation failure mechanism impacted by harmonics and its suppression method
Frontiers in Energy ResearchHarmonics are an important cause of voltage distortion, and voltage reduction and voltage distortion are the main causes of commutation failure. But most of the current research studies on commutation failure are based on the drop in fundamental voltage ...
Guojiang Zhang +4 more
doaj +1 more source
Power Quality Improvement Using Dynamic Voltage Restorer
IEEE Access, 2020 Power Quality is an essential concern in the modern power system that can affect consumers and utility. The integration of renewable energy sources, smart grid systems and extensive use of power electronics equipment caused myriad problems in the modern ...
Naeem Abas +4 more
doaj +1 more source
Harmonics Study of 3-Phase Space Vector PWM Inverter [PDF]
Engineering and Technology Journal, 2011 This paper proposes the modeling ,implementation and simulation of three phase induction motor driver, using voltage- fed space vector pulse width modulation technique (SVPWM).The sources of total harmonics (i.e. total effective harmonics,inter-harmonics,
Ahamed Assad Hadi, Majid K. Al-Khatat
doaj +1 more source
Optimal passive filter design for effective utilization of cables and transformers under non-sinusoidal conditions [PDF]
, 2014 Transformers and cables have overheating and reduced loading capabilities under non-sinusoidal conditions due to the fact that their losses increases with not only rms value but also frequency of the load current.
Aleem, SHEA +3 more
core +1 more source
Analysis for Industrial Grid Containing Nonlinear Loads
Wasit Journal of Engineering Sciences, 2018 Harmonics is the most important issue among all issues related to the power quality. Harmonics comes from different non-linear loads like uninterruptible power supplies systems (UPS), variable speed motor drives, rectifiers, personal computers ...
Basim Mohammed Al Kadhimi
doaj +1 more source
New Approach for Voltage Drop Estimation in the Busbars of Workshop Networks at Higher Current Harmonics Influence [PDF]
Problems of the Regional Energetics, 2019 The presence of higher current harmonics has a negative impact on the efficiency and reliability of the elements of network. Higher current harmonics can lead to significant increases of resistance, voltage drop and active losses in busbar, also to ...
Kotsur M.I. +3 more
doaj +1 more source