Results 41 to 50 of about 1,129,007 (329)

Utilization of an ANFIS-STSM Algorithm to Minimize Total Harmonic Distortion

open access: yesInternational Journal of Smart grid, 2020
Recently applications of second order super-twisting sliding mode (STSM) algorithm become more convenient in control of AC machines. The conventional technique, the capability of creating a high value of current or voltage.
H. Benbouhenni
semanticscholar   +1 more source

A NEW STRUCTURE OF FIVE-LEVEL DIODE CLAMPED INVERTER WITH REDUCING ITS ELEMENTS

open access: yesMağallaẗ Al-kūfaẗ Al-handasiyyaẗ, 2018
At the high power switching circuit's applications, when the harmonic distortion is harmful, a multi-level diode clamped inverter is useful, especially when reduced total harmonic distortion and high power are desired.
Othman M. Anssari
doaj   +1 more source

Optimal Harmonic Mitigation in Distribution Systems with Inverter Based Distributed Generation

open access: yesApplied Sciences, 2021
In recent years, with the widespread use of non-linear loads power electronic devices associated with the penetration of various renewable energy sources, the distribution system is highly affected by harmonic distortion caused by these sources. Moreover,
Ahmed S. Abbas   +6 more
doaj   +1 more source

MSSB to Prevent Cable Termination Faults for Long High Voltage Underground Cable Lines

open access: yesElektronika ir Elektrotechnika, 2019
Cable termination fault is one of the most important problems for high voltage underground cable lines (HVUCL). Harmonic current (HC) and the sheath current (SC) are causes of cable termination faults of HVUCL.
Bahadir Akbal
doaj   +1 more source

Lateral loss effects on modulation bandwidth in VCSELs [PDF]

open access: yes, 1999
Intensity noise and chromatic fiber dispersion in analog optical communication systems are attributed to harmonic and inter-modulation distortion in the amplitude modulation of semiconductor lasers.
Chui, PC, Yu, SF
core   +1 more source

Advances in reduction of total harmonic distortion in solar photovoltaic systems: A literature review

open access: yesInternational Journal of Energy Research, 2019
The use of photovoltaic (PV) systems has increased in recent years due to the high demand for clean energy sources. PV systems can utilize abundant and free energy from the sun, which is a substantial advantage.
Liqaa Alhafadhi, J. Teh
semanticscholar   +1 more source

Power Quality and Performance Analysis of Grid-Connected Solar PV System Based on Recent Grid Integration Requirements

open access: yesInternational Journal of Photoenergy, 2021
The electrical energy demand is steadily growing, and hence, the integration of photovoltaic system to the distribution networks is also dramatically increasing though it has a significant effect on the network’s power quality.
Estifanos Abeje Sharew   +2 more
doaj   +1 more source

Behavior of single-point harmonic producer indicators in electrified AC railways [PDF]

open access: yesMetrology and Measurement Systems, 2021
Electrified railways are an example of AC single phase distribution networks. A non-negligible amount of active and nonactive power may be related to harmonics, especially for distorted highly-loaded systems.
Andrea Mariscotti
doaj   +1 more source

Harmonic Distortion Compensation in Voltage Transformers for Improved Power Quality Measurements

open access: yesIEEE Transactions on Instrumentation and Measurement, 2019
Monitoring voltage harmonics represents one of the most important tasks in power quality assessment. In particular, the employed instrument transformer plays a key role in the achieved accuracy. Its harmonic measurement performance is typically evaluated
M. Faifer   +4 more
semanticscholar   +1 more source

Inverter harmonic perturbations rejection in renewable energy conversion systems applying a super‐twisting algorithm

open access: yesIET Renewable Power Generation, 2021
Grid background and dead‐time harmonic perturbations pose challenges in maintaining power quality and stability in the grid integration of renewable energy conversion systems.
Daniel Memije   +4 more
doaj   +1 more source

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