Results 21 to 30 of about 146,883 (325)

Fixed frequency Finite Control Set Model Predictive Control For Three-level APF [PDF]

open access: yesE3S Web of Conferences, 2021
Active power filter can compensate harmonic and reactive power, Three level neutral point clamp (ANPC) has the characteristics of low output harmonic and low device loss.
Sha MaiChao, Zhu RuiJin, Gong XueJiao
doaj   +1 more source

A Novel Neutral Point Voltage Control Strategy for Three-Level NPC APF Based on SVPWM

open access: yesMATEC Web of Conferences, 2015
The unbalance of the neutral point voltage is an inherent problem of three-level neutral-point-clamped (NPC) Active Power Filter (APF); this paper analyzes the causes of unbalanced neutral point voltage and studies the reason of the unbalance of the ...
Yao Xiaolong   +3 more
doaj   +1 more source

A Varied VSVM Strategy for Balancing the Neutral-Point Voltage of DC-Link Capacitors in Three-Level NPC Converters

open access: yesEnergies, 2015
In the research field of multilevel converters, three-level NPC (neutral-point-clamped) converters, which unfortunately may cause the deviation of the neutral-point voltage of DC-link capacitors, are widely discussed.
Shi Weng Gui   +2 more
doaj   +1 more source

Three-Phase Three-Level Neutral Point Clamped Rectifier with Predictive Control Method without Employing Weighting Factor

open access: yesApplied Sciences, 2020
A predictive control method using injected offset voltage to achieve neutral point (NP) voltage balance of three-phase three-level neutral point clamped (NP) rectifiers, without employing a weighting factor, is proposed in this study.
Eun-Su Jun   +2 more
doaj   +1 more source

An On-line Diagnostic Method for Open-circuit Switch Faults in NPC Multilevel Converters [PDF]

open access: yes, 2016
On-line condition monitoring is of paramount importance for multilevel converters used in safety-critical applications. A novel on-line diagnostic method for detecting open-circuit switch faults in neutral-point-clamped (NPC) multilevel converters is ...
Demerdash, Nabeel, He, Jiangbiao
core   +2 more sources

Integrating power flow modelling with building simulation [PDF]

open access: yes, 2001
The inclusion of photovoltaic facades and other local sources of both heat and power within building designs has given rise to the concept of embedded generation: where some or all of the heat and power demands are produced close to the point of use ...
Clarke, J.A., Kelly, N.J.
core   +1 more source

Study on Maximum Power Tracking Strategy of 10 MW Medium Voltage Six-Phase Direct-Drive Permanent Magnet Wind Turbine

open access: yes发电技术, 2022
In order to maximize the grid-connected power of high-power offshore wind turbines, a maximum power tracking strategy suitable for medium voltage six-phase permanent magnet synchronous generator (MVSPMSG) was proposed in the paper based on the use of ...
ZHAO Haichuan   +5 more
doaj   +1 more source

DC link capacitor voltage balancing in three level neutral point clamped inverter [PDF]

open access: yes2012 IEEE 13th Workshop on Control and Modeling for Power Electronics (COMPEL), 2012
Multilevel inverters are becoming increasingly popular for high and medium power applications. The diode clamped multilevel inverter (DCMLI) is an attractive high voltage multilevel inverter due to its robustness. The deviating voltage at the neutral point remains always a distracting feature in NPC inverter.
Saad Mekhilef   +2 more
openaire   +1 more source

Voltage balancing in three-level neutral-point-clamped converters via Luenberger observer [PDF]

open access: yesControl Engineering Practice, 2014
Este documento aborda los problemas asociados con los voltajes del capacitor del enlace de CC del convertidor de potencia con bloqueo de punto neutro de tres niveles: el desequilibrio de los voltajes del capacitor , así como la presencia de una oscilación de baja frecuencia del voltaje de CA en el enlace de CC.
Francisco Umbría   +5 more
openaire   +4 more sources

Neutral‐point voltage balancing in wind power NPC three‐level converter

open access: yesElectronics Letters, 2017
Neutral‐point‐clamped (NPC) three‐level converter has been widely used in wind power generation systems. However, traditional NPC three‐level converter often suffers excessive voltage fluctuation at the neutral point of DC‐link capacitors. This problem may leads to switching devices damage and increases additional harmonics in output voltage of the ...
Peng Qian, Liangbi Li
openaire   +1 more source

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