Results 31 to 40 of about 41,010 (298)

Mitigation of harmonics for five level multilevel inverter with fuzzy logic controller

open access: yesElectrical engineering & Electromechanics, 2023
Introduction. The advantages of a high-power quality waveform and a high voltage capability of multilevel inverters have made them increasingly popular in recent years.
M. S. Sujatha   +3 more
doaj   +1 more source

A novel single-phase asymmetrical five-level transformerless photovoltaic inverter

open access: yesDianzi Jishu Yingyong, 2018
Current harmonics and power loss caused by traditional two-level inverters working under high-frequency switching need to be solved urgently. Multi-level inverters do not require a boost converter stage and can output multiple different voltage levels ...
Lu Lian   +3 more
doaj   +1 more source

Design of an Adaptive Neurofuzzy Inference Control System for the Unified Power-Flow Controller [PDF]

open access: yes, 2011
This paper presents a new approach to control the operation of the unified power-flow controller (UPFC) based on the adaptive neurofuzzy inference controller (ANFIC) concept.
Farrag, Mohamed, Putrus, Ghanim
core   +1 more source

Five-level Z-source diode-clamped inverter

open access: yesIET Power Electronics, 2010
This study proposes a five-level Z-source diode-clamped inverter designed with two intermediate Z-source networks connected between the dc input sources and rear-end inverter circuitry. By partially shorting the Z-source networks, new operating states not previously reported for two-level Z-source inverter are introduced here for operating the proposed
Gao, Feng   +4 more
openaire   +3 more sources

A Five-Level Switched-Capacitor Based Transformerless Inverter With Boosting Capability for Grid-Tied PV Applications

open access: yesIEEE Access, 2023
Transformerless grid-connected inverters have attained a lot of research interest in renewable energy interface applications, due to certain promising properties like greater efficiency, light weight, affordable price, and tolerable power density.
Sudipto Mondal   +3 more
doaj   +1 more source

Packed U Cell Seven Level and Five Level Inverter Topologies for Renewable Energy Applications [PDF]

open access: yesInternational Journal of Mathematical, Engineering and Management Sciences
The multilevel inverter (MLI) is a power electronic circuit applied for power and voltage applications. It has the advantages of minimum total harmonic distortion (THD), less voltage stress on the switching devices, fewer switching losses, and a smaller ...
Isarar Ahamad   +5 more
doaj   +1 more source

State and Space Vectors of the 5-Phase 2-Level VSI

open access: yesEnergies, 2020
The paper proposes a general description system of the five-phase two-level inverter. The two base methods are presented and discussed. The first one is based on the standard space vector transformation, while the other uses state vectors which enable ...
Jan Iwaszkiewicz, Adam Muc
doaj   +1 more source

Improved output voltage quality using space vector modulation for multilevel inverters [PDF]

open access: yes, 2016
Space vector modulation (SVM) has received wide acceptance due to many benefits over other techniques such as higher output voltages, lower total harmonic distortion (THD), high-efficiency and flexible to be implemented in vector control systems.
Idris, N. R. N.   +3 more
core   +1 more source

Fault Tolerant Control of Five-Level Inverter Based on Redundancy Space Vector Optimization and Topology Reconfigruation

open access: yesIEEE Access, 2020
Compared with two-level and three-level inverters, five-level inverters have more redundant space vectors to implement flexible control strategy. A fault tolerance method for open circuit fault of power tube in Neutral Point Clamped (NPC) five level ...
Yunjun Yu, Xiaoming Li, Lili Wei
doaj   +1 more source

Techno-Economic Feasibility of a Grid-Connected Hybrid Renewable Energy System for a School in North-West Indonesia [PDF]

open access: yes, 2020
The file attached to this record is the author's final peer reviewed version. The Publisher's final version can be found by following the DOI link. open access journalBackground: Schools typically have high diurnal fluctuation in electricity demand, with
Illiandi, Biadelma, Tiwary, Abhishek
core   +2 more sources

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