Results 101 to 110 of about 7,459 (224)

Model based adaptive direct power control for three-level NPC converters [PDF]

open access: yes, 2013
In this work, a Model Based Adaptive Direct Power Control (MB-ADPC) with constant switching frequency for Three-Phase Three-Level Neutral Point Clamped (3L-NPC) converters is proposed. The rectifier and inverter operation mode are used to illustrate the
García Franquelo, Leopoldo   +4 more
core   +1 more source

A hybrid high‐efficiency nine‐level inverter with high DC voltage utilization ratio

open access: yesIET Renewable Power Generation
This paper proposes a new hybrid nine‐level inverter topology with high efficiency and high dc voltage utilization ratio, which provides a potential for renewable energy power conversion.
Qicai Ren, Alian Chen, Xi Liu, Tong Liu
doaj   +1 more source

High-Efficiency NPC Multilevel Converter Using Super-Junction MOSFETs [PDF]

open access: yes, 2016
Super-junction MOSFETs exhibit low on-state resistances and low switching losses. However, the reverse recovery behavior of their intrinsic diodes and their output capacitance characteristics make their deployment in freewheeling locations challenging ...
Anthony, Philip H   +2 more
core   +3 more sources

ANN‐Based Alternative Controllers for Three‐Phase Four‐Wire Grid‐Connected NPC Inverters

open access: yesIET Electric Power Applications
The synchronously rotating reference frame (SRRF)‐based proportional‐integral (PI) control technique has been though studied in many different inverter applications, a well‐designed and clearly presented application of this technique for the three‐phase,
Yunus Emre Yağan
doaj   +1 more source

The Power Analysis of Semiconductor Devices in Multi-Phase Traction Inverter Topologies Applicable in the Automotive Industry

open access: yesCommunications
The article deals with the power analysis of semiconductor devices nowadays commonly used in perspective traction inverter topologies suitable for automotive industry applications.
Jakub Šimčák   +2 more
doaj   +1 more source

An Improved Finite-Set Predictive Control for Permanent Magnet Synchronous Motors Based on a Neutral-Point-Clamped Three-Level Inverter

open access: yesWorld Electric Vehicle Journal
Numerous voltage vectors exist in a neutral-point-clamped (NPC) three-level inverter. Traditional three-level model predictive control incurs a heavy online computational burden.
Guozheng Zhang   +5 more
doaj   +1 more source

A MODIFIED VIRTUAL SPACE VECTOR MODULATION TECHNIQUE FOR Z-SOURCE NPC INVERTERS [PDF]

open access: yesCarpathian Journal of Electrical Engineering, 2018
A modified virtual space vector modulation approach for the control of a Z-source neutral point clamped inverter is presented in this paper. This approach works perfectly for the traditional neutral point clamped inverter.
Francis EFFAH   +4 more
doaj  

Study of solution towards ground leakage current via inverter switching in different topologies for grid connected PV system [PDF]

open access: yes, 2013
Renewable energy sources are major issues in order to address the energy problem. Among them, the PV (Photovoltaic) system will be dominant because its availability and reliability.
Kimpol, Norhanisa
core  

Hybrid Pulse Width Modulation for Improving Reliability of DC-Link Capacitors of NPC Inverter in Photovoltaic Systems

open access: yesIEEE Access
Reliability improvement of the Photovoltaic (PV) inverter has a high potential for reducing the cost of PV energy. The DC-link capacitor is one of the main components influencing the reliability of PV inverter systems. Various pulse-width modulation (PWM)
Jae-Heon Choi   +2 more
doaj   +1 more source

Simulation and Development of Unified Power Flow Controller Using Multilevel Inverter [PDF]

open access: yes, 2010
Heavily loaded transmission lines and the inability to control the amount and direction of power flows have became major concerns to the power utilities.
Mailah, Nashiren Farzilah
core  

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