Results 61 to 70 of about 631 (184)

Study of the Modulation Schemes in the Hybrid Three-Phase Multilevel Inverter

Eletrônica de Potência, 2017
This work proposes and analyzes modulation strategies for a hybrid three- phase multilevel inverter, which employs two different topologies in a cascade connection, a three-phase Neutral Point Clamped (NPC) converter and single- phase half-bridge ...
Marcos Vinicius Bressan, Marcello Lobo Heldwein, Alessandro Luiz Batschauer   +2 more
doaj   +1 more source

Quantitative Analysis of Balancing Range for Single-Phase 3L-NPC Converters

Energies
Multiple techniques have been suggested to achieve control balance in single-phase three-level neutral-point clamped (3L-NPC) converters. Nevertheless, there is a deficiency of quantitative calculations related to the extent of balancing.
Ziying Wang, Ning Jiao, Shunliang Wang, Junpeng Ma, Rui Zhang, Tianqi Liu   +5 more
doaj   +1 more source

PERFORMANCE COMPARISON OF MULTICELL SERIES AND NPC MULTILEVEL CONVERTERS FOR A STATCOM

Electrical engineering & Electromechanics, 2019
. In this paper, we present a comparative study of the performances of the multicells series and the Neutral-Point-Clamped (NPC) three-level converters used at synchronous static compensators (STATCOM) for the control of the voltage at a point of the ...
S. Belakehal, A. Djellad, R. Chenni
doaj   +1 more source

Model Predictive Control Strategy Based on Loss Equalization for Three-Level ANPC Inverters

Actuators
Targeting the issue of high losses of individual switching tubes in Neutral-Point Clamped (NPC) three-level inverters, an Active Neutral-Point Clamped (ANPC) three-level inverter is used, and a model predictive control strategy using the loss ...
Shaoqi Wan, Bo Wang, Jingbo Chen, Haiying Dong, Congxin Lv   +4 more
doaj   +1 more source

Choice between three-level NPC and FC topology under SVM control [PDF]

EPJ Web of Conferences
This document pertains to choosing the most suitable topology between the three-level Neutral Point Clamped (NPC) and the Flying Capacitor (FC) inverters.
Elbadaoui Sara, Abbou Ahmed, Zahraoui Yassine, Oufqir Farid   +3 more
doaj   +1 more source

Capacitor sizing of three‐level neutral point clamped voltage source inverter for electric vehicles: Effects of modulation and motor characteristics

IET Power Electronics
A three‐level neutral point clamped (3L‐NPC) voltage source inverter (VSI) topology can be advantageous in electric vehicles with a high DC‐link voltage and a high switching frequency.
Serhat Emir Ogan, Emine Bostanci
doaj   +1 more source

Model predictive control of three-level grid-connected inverters for weak power grids

Zhejiang dianli
In weak power grids， grid-connected inverters often suffer from poor robustness and significant harmonics. Moreover， model predictive control （MPC） heavily relies on system parameters， limiting its applicability in weak grids.
ZHAO Leilei, MU Wei, SONG Huiqing, ZHANG Min, WANG Shan   +4 more
doaj   +1 more source

Weight-Adaptable Disturbance Observer for Continuous-Control-Set Model Predictive Control of NPC-3L-Fed PMSMs

Energies
This paper presents a cascaded control strategy for neutral-point-clamped three-level (NPC-3L) inverter-fed permanent magnet synchronous motors (PMSMs), integrating continuous-control-set model-predictive control (CCS-MPC) with mid-point voltage ...
Zhenyan Liang, Jiang Wang, Yitong Wu, Zhen Zhang   +3 more
doaj   +1 more source

Receiving-End Voltage Compensation Method with NPC-Inverter-Based Active Power Line Conditioner in Three-Phase Four-Wire Distribution Feeder

Electricity
This study proposes a receiving-end voltage compensation method employing a phase-specific reactive power control strategy with a neutral-point-clamped (NPC) inverter in a three-phase four-wire distribution system. The principle of the proposed receiving
Yuka Sabi, Hiroaki Yamada
doaj   +1 more source

A New N-Level Inverter Based on Z-NPC

Iranian Journal of Electrical and Electronic Engineering, 2017
First of all, in this paper, the topology and operation of the three-phase three-level Z-source inverter based on neutral-point-clamped (Z-NPC) are studied.
E. Babaei, T. Ahmadzadeh
doaj