Results 31 to 40 of about 57,605 (331)

Power Quality Improvement Wind Energy System Using Cascaded Multilevel Inverter [PDF]

open access: yes, 2013
In this paper, a wind energy conversion system based on a cascaded H-bridge multilevel inverter (CHBMLI) topology has been proposed to be used for the grid interface of large split winding alternators (SWAs).
A. S., Kumar, J.S., Sathiyanarayanan
core   +2 more sources

Phasor Estimation for Grid Power Monitoring: Least Square vs. Linear Kalman Filter [PDF]

open access: yes, 2020
International ...
Ahmed, Hafiz   +4 more
core   +3 more sources

Adaptive Vectorial Filter for Grid Synchronization of Power Converters Under Unbalanced and/or Distorted Grid Conditions [PDF]

open access: yes, 2014
This paper presents a new synchronization scheme for detecting multiple positive-/negative-sequence frequency harmonics in three-phase systems for grid-connected power converters.
Carrasco Solís, Juan Manuel   +4 more
core   +1 more source

Enhancement of Power Quality of Single Stage Grid Connected PV System by Using Takagi-Sugeno-Kang Fuzzy Controllers [PDF]

open access: yesE3S Web of Conferences
Grid connected solar power plants are widely established in many places worldwide. Photovoltaic (PV) based grid connected solar plants are attracting recently due to improved in controlling of power converters.
Faujdar Pramod Kumar   +3 more
doaj   +1 more source

Grid Connected Current/Power Coordinated Control Of Quasi Z-Source Inverter In Unbalanced Power Grid

open access: yesJournal of Applied Science and Engineering, 2022
Under the condition of unbalanced grid voltage, the non-off grid operation of photovoltaic system will lead to the fluctuation of system output power and obvious harmonic distortion of grid connected current.
Li Tian, Xiaojie Yang, Bingde Huang
doaj   +1 more source

A comparative study of methods for estimating virtual flux at the point of common coupling in grid connected voltage source converters with LCL filter [PDF]

open access: yes, 2016
Grid connected Voltage Source Converters (VSCs) with LCL filters usually have voltage measurements at the filter capacitors, while it can be important to control the active or reactive power injection at the grid-side of the LCL filter, for instance at a
Candela García, José Ignacio   +5 more
core   +1 more source

Comprehensive performance analysis of flexible asynchronous AC link under various unbalanced grid voltage conditions

open access: yesEnergy Reports, 2021
A flexible asynchronous AC link (FASAL) system is a technology that interconnects two power system networks operating at the same or different frequencies.
Imdadullah   +3 more
doaj   +1 more source

Fully Digital Grid Synchronization Under Harmonics and Unbalanced Conditions [PDF]

open access: yesIEEE Access, 2019
For the grid-connected system, the unbalanced and harmonic components of three-phase grid voltage have a significant impact on the accuracy of grid synchronization. And the positive, negative sequences, harmonics, as well as dc component of the three-phase grid voltage are difficult to separate and extract in a fast and precise way.
Yu Bai   +3 more
openaire   +2 more sources

An Expanded Lyapunov-Function Based Control Strategy for Cascaded H-Bridge Multilevel Active Front-End Converters

open access: yesIEEE Open Journal of Power Electronics, 2023
Cascaded H-bridge multilevel (CHBML) active front-end (AFE) converters exhibit some enticing benefits, comprising high adaptability for numerous applications, such as tractions, solid-state transformers, electric vehicle charging stations, and medium and
Garry Jean-Pierre   +3 more
doaj   +1 more source

Demonstration of sustained and useful converter responses during balanced and unbalanced faults in microgrids [PDF]

open access: yes, 2012
In large power grids where converter penetration is presently low and the network impedance is predominantly reactive, the required response from converters during faults is presently specified by phrases such as “maximum reactive output”.
Burt, Graeme   +4 more
core   +1 more source

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