Results 21 to 30 of about 3,446 (198)

Power quality enhancement of distribution grid using a photovoltaic based hybrid active power filter with three level converter

open access: yesEnergy Reports, 2023
This paper employs a second-order sequence filter (SOSF) and proportional–integral (PI) controller to control a hybrid active power filter with photovoltaic (HAPF-PV) through three-level neutral point clamped (NPC) converters.
Ehsan Akbari, Abbas Zare Ghaleh Seyyedi
doaj   +1 more source

HVDC Transmission Systems based Multi-level Voltage Source Converters for Iraqi Super Grid [PDF]

open access: yesEngineering and Technology Journal, 2014
High Voltage Direct Current Transmission (HVDC) with Voltage Source Converter (VSC) technology provides substantial technical and economical advantages for different applications compared to conventional HVDC transmission systems based on thyristor ...
Adil Hameed Ahmed   +1 more
doaj   +1 more source

Pulse-Width-Modulation For A Modified Hybrid 2/3-Level Converter

open access: yesEletrônica de Potência, 2016
This paper proposes a modification in both topology and operation algorithm for the existent 2/3 level converter. The modified strategy is of simple implementation.
João H. G. Muniz   +3 more
doaj   +1 more source

Generalised Predictive Control of a 12-bus Network Using Neutral-Point Clamped Voltage Source Converter UPFC [PDF]

open access: yes, 2014
The paper presents the application of a UPFC to a case study of a 12-bus high power network. The UPFC shunt converter employs 8 3-level Neutral Point Clamped (NPC) voltage source converters (VSC) and 12 single-phase three-winding phase shifting ...
Chong, BVP, Kokkinakis, M, Zhang, L
core   +1 more source

Novel Single-Phase Grid-Tied NPC Five-Level Converter with an Inherent DC-Link Voltage Balancing Strategy for Power Quality Improvement

open access: yesEnergies, 2021
This paper presents a novel single-phase grid-tied neutral-point-clamped (NPC) five-level converter (SPFLC). Unlike the literature on five-level NPC topologies, the proposed one is capable of inherently balancing the voltage of the DC-link split ...
Jorge Lara   +4 more
doaj   +1 more source

Switching-Cell Arrays - An Alternative Design Approach in Power Conversion [PDF]

open access: yes, 2018
© 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting /republishing this material for advertising or promotional purposes, creating new ...
Busquets Monge, Sergio   +1 more
core   +2 more sources

Design and Control of Multi – Input Multi – Output DC-DC Converter for Neutral Point Clamped Inverters

open access: yesGazi Üniversitesi Fen Bilimleri Dergisi, 2019
In this study, multi-input multi-output DC/DC converter topology is presented for both multisource operation and voltage unbalancing of Neutral Point Clamped (NPC) inverters.
Naki GÜLER, Erdal IRMAK
doaj   +1 more source

Operating Principle and Performance Optimization of a Three-Level NPC Dual-Active-Bridge DC-DC Converter [PDF]

open access: yes, 2015
© 1982-2012 IEEE. Aiming to improve the performance features of conventional two-level dual-active-bridge (DAB) converters, this paper presents a three-level neutral-point-clamped (NPC) DAB dc-dc converter.
Bordonau Farrerons, José   +3 more
core   +2 more sources

Reconstructed Current Model Predictive Control of NPC Three-Level Grid-Tied Converter With Current Sensor Fault

open access: yesIEEE Access, 2021
Neutral-point clamped (NPC) three-level grid-tied converter is the key power electronic equipment connecting renewable energy and power grid. High temperature and other factors can lead to current sensor failure, control strategy failure, output current ...
Hui Li, Han Xiao, Guanglu Yang
doaj   +1 more source

A simplified space-vector modulation algorithm for four-leg NPC converters [PDF]

open access: yes, 2016
To interface generation sources and loads to four-wire distribution networks is important to use power converters and modulation methods which provide high performance, flexi¬bility and reliability.
Cardenas, Roberto   +4 more
core   +2 more sources

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