Results 81 to 90 of about 2,128 (219)

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

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

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

Single-phase NPC inverter with regenerative snubber

open access: yes, 2011
This work presents a study about the NPC (Neutral Point Clamped) three-level inverter with a modified Undeland snubber and using a Buck-Boost converter to regenerate the energy processed by the snubber. Initially, qualitative and quantitative analysis of
Lima, Luiz Ricardo
core  

A Front end Switched Rectifier DC Source for Neutral Point Balancing of A NPC Three-Level Inverter for The Full Modulation Range [PDF]

open access: yes, 2008
A switched DC voltage three level NPC is proposed in this paper to eliminate capacitor balancing problems in conventional three-level Neutral Point Clamped (NPC) inverter. The proposed configuration requires only one DC link with a voltage V-dc/2,
K. Siva kumar   +9 more
core   +1 more source

Development Of A Modified Svm Algorithm For Controlling The Rec Z-Source Npc Inverter [PDF]

open access: yes, 2015
The REC Z-source NPC inverter is accepted to come across applications in grid connected distributed generation (DG) systems based on renewable energy sources such as photovoltaic systems, wind turbines and fuel cell stacks.
Kumar, Jandhyam Hemanth, Uma rani, M
core  

NPC photovoltaic grid-connected inverter using proportional-resonant controller

open access: yes, 2014
Multi-megawatt photovoltaic (PV) power plants are widespread in electrical power systems because of the drastic decrease in the PV panel prices. The multi-string structure is considered for high power PV systems due to the increase in the overall energy ...
Dehghani Tafti, Hossein   +4 more
core   +1 more source

Dual-Mode Operation of 3-Level 4-Leg AT-NPC Inverter for Microgrids [PDF]

open access: yes, 2019
IEEE IAS; IEEE Industrial Electronics Society (IES); IEEE PES; Institute of Electrical and Electronics Engineers (IEEE)2019 International Aegean Conference on Electrical Machines and Power Electronics, ACEMP 2019 and 2019 International Conference on ...
Mehmet Ucar   +4 more
core   +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

Design of a robust digital current controller for a grid connected interleaved inverter

open access: yes
This paper is concerned with the design and practical implementation of a robust digital current controller for a threephase voltage source grid-connected interleaved inverter.
Sharkh, S. M., Abu-sara, M. A.
core  

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