Results 21 to 30 of about 6,993,106 (201)

A Proposed Harmonic Monitoring System for Large Power Users Considering Harmonic Limits

open access: yesEnergies, 2020
Most power utilities within Southern Africa are faced with the challenges of harmonic distortion due to the high penetration of renewable energy sources (RES) and the use of electronic devices.
Rosalia Sinvula   +2 more
doaj   +1 more source

Feasibility Analysis for Power Transformer Expectancy and Loss of Life “A practical Case Study in Egyptian Electricity Transmission Company” [PDF]

open access: yesPort Said Engineering Research Journal, 2014
Quality of power supply is now a major worldwide important issue making harmonic analysis an essential element in power system planning and design. Because of the power transformers are major components in power systems; this paper studies the impact of ...
Ibrahim Henidaq   +3 more
doaj   +1 more source

Magnetic ordering and its influence on X‐ray spectroscopies

open access: yesMajor Reference Works, Page 163-168., 2023
International Tables for Crystallography is the definitive resource and reference work for crystallography and structural science.

Each of the eight volumes in the series contains articles and tables of data relevant to crystallographic research and to applications of crystallographic methods in all sciences concerned with the ...
Gerrit van der Laan   +3 more
wiley  

+1 more source

Harmonics Analysis of Input Current of 3-Phase PWM Rectifier

open access: yesAndalas Journal of Electrical and Electronic Engineering Technology, 2021
Rectifier is a non-linier load that causes harmonic distortion in the power system. Pulse-width modulation (PWM) method is an effective method in pressing the magnitude of harmonics in a rectifier application,  it provides an almost sinusoidal input ...
Alfin Prima Adjie, Muhammad Imran Hamid
doaj   +1 more source

High Harmonic Reduction Using Passive Filters of Mountain Steel Company

open access: yesZanco Journal of Pure and Applied Sciences, 2021
An increasing amount of power electronics has created an immediate effect on the value of the electrical power source. Both of high control manufacturing loads and national loads explain harmonic in the system voltage.
Asmahan Y. Husen   +2 more
doaj   +1 more source

Exploring the Optimizations for Main Harmonic Filtering for Power Systems [PDF]

open access: yesMATEC Web of Conferences, 2023
As the global demand for sustainable and environmentally friendly energy supply continues to increase, photovoltaic technology, as an important form of new energy, has received extensive attention. Photovoltaic grid-connected system is currently the most
Zhao Yushuo
doaj   +1 more source

Measured total harmonic distortion (THD) of input current at different power levels of the proposed controller.

open access: yes, 2023
Measured total harmonic distortion (THD) of input current at different power levels of the proposed controller.
Mohd Junaidi Abdul Aziz (17181247)   +5 more
core   +1 more source

Interpretation of partial discharge activity in the presence of harmonics [PDF]

open access: yes, 2010
Recent work has identified that circumstances of equipment operation can radically change condition monitoring data. This contribution investigates the significance of considering circumstance monitoring on the diagnostic interpretation of such condition
Rowland, S.M.   +4 more
core   +4 more sources

Refined convolution‐based measures for real‐time harmonic distortions estimation in power system dominated by inverter‐based resources

open access: yesIET Power Electronics, 2023
Real‐time estimating harmonic distortion levels near the Point of Interconnections of grid‐connected inverter‐based resources (IBRs) is critical for maintaining the operational reliability and security of the power grid, particularly during transients ...
Reza Saeed Kandezy   +3 more
doaj   +1 more source

Artificial Neural Network Controller for Reducing the Total Harmonic Distortion (THD) in HVDC

open access: yesInternational Journal of Advanced Engineering, Management and Science, 2018
A neural network based space vector modulation (SVM) of voltage source inverter is proposed. The voltage source converter (VSC) is highly used in high voltage direct current (HVDC) transmission so that a detailed analysis and transmission of this system is carried out. In addition, a non-linear neural network controller is proposed to control the space
Dr. Ali Nathem Hamoodi   +1 more
openaire   +1 more source

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