Results 141 to 150 of about 46,330 (261)

Pengaruh Distorsi Harmonik pada Compact Fluorescent Lamps [PDF]

, 2016
Compact Fluorescent Lamps (CFL) are one of the non-linear load which depicts distorted wave containing harmonics. Harmonics are integer multiplication periodically of the fundamental frequency.
Christian, C. (Christian), Setyaningsih, E. (Endah), Suharto, H. (Hang)   +2 more
core  

Harmonic current extraction of shunt active power filter based on prediction current technique - Hysteresis PWM [PDF]

, 2013
Due to the wide spread of power electronics equipment in modern electrical systems, the increase of the harmonics disturbance in the ac mains currents has became a major concern due to the adverse effects on all analysis and simulation using MATLAB ...
Abou Elzahab, EE, Mamdouh, MM, Mansour, AM, Nashed, MNF, Zobaa, AF   +4 more
core  

Harmonic Impact of Plug-In Hybrid Electric Vehicle on Electric Distribution System

Modelling and Simulation in Engineering, 2016
This paper presents the harmonic effects of plug-in hybrid electric vehicles (PHEV) on the IEEE 37-bus distribution system at different PHEV penetration levels considering a practical daily residential load shape.
A. Aljanad, Azah Mohamed
doaj   +1 more source

Mitigating voltage quality issues in Sawla Substation, Ethiopia: A dynamic voltage restorer controlled by neural networks and fuzzy logic

Results in Engineering
Ensuring power quality in distribution systems is critical due to voltage sags, swells, and harmonic distortions, which affect system performance and equipment reliability.
Balakumar Subramanian, Alazar Demamu, Andinet Anjamo, Muluneh Lemma, Yalisho Girma   +4 more
doaj   +1 more source

Research on Neutral Point Drifting Technology Based on the Same Harmonic Distribution of Line Voltage

Kongzhi Yu Xinxi Jishu, 2011
Neutral point drifting technology based on the same harmonic distribution of line voltage is proposed. With the optimization of carrier phase-shifted angle and frequency modulation ratio, the harmonic distribution of three line voltages can be consistent.
徐振, 罗仁俊, 黄欢, 钟强, 陈志新   +4 more
doaj  

An Extensive Analysis of Power Quality Improvement in a Three-Stage 15-Level Inverter Using Various ANN Algorithms

IEEE Access
The performance of multilevel inverters (MLIs) in microgrids plays a vital role in managing daily fluctuations in power demand and supporting the reliable operation of renewable energy sources (RES).
K. Sakthivel, S. Albert Alexander
doaj   +1 more source

MITIGATION OF HARMONIC DISTORTION USING OPTIMUM PHASE-SHIFT MULTIPLE PARALLEL INVERTERS

Journal of Engineering and Sustainable Development, 2018
It is clear that the harmonics in power systems have many negative impacts and therefore it is inevitable to reduce their amount to the accepted level and one of the interesting approach to reduce the harmonic distortion is to synchronize phase-shifted ...
Hussain Mustafa Bierk, Fawzi Mohammed Mustafa   +1 more
doaj  

Effect of Material Changes on the Total Harmonic Distortions Caused by Aluminum Electrolytic Capacitors

IEEE Access
This paper describes a comparative study of the total harmonic distortion (THD) caused by commercial electrolytic capacitors. The study includes selected capacitors with a capacitance of $470~\mu \text{F}$ that are commercially available from eiSos W ...
Rene Kalbitz
doaj   +1 more source

Generalized formulation of multilevel selective harmonic elimination PWM: Case I-Non-Equal DC Sources [PDF]

, 2006
The paper presents optimal solutions for eliminating harmonics from the output waveform of a multilevel staircase pulse-width modulation (PWM) method with non-equal dc sources.
Agelidis, V.G., Dahidah, M.S.A.
core   +1 more source