Results 101 to 110 of about 6,381 (216)

An Improved Space Vector PWM Algorithm with a Seven-Stage Switching Sequence for Three-Level Neutral Point Clamped Voltage Source Inverters

open access: yesEnergies
The main purpose of this research is to develop an improved space vector pulse-width modulation (SVPWM) algorithm for three-level (3L) neutral point clamped (NPC) voltage source inverters (VSIs).
Aleksandr N. Shishkov   +5 more
doaj   +1 more source

Loss balancing SVPWM for active NPC converters

open access: yes2014 IEEE Applied Power Electronics Conference and Exposition - APEC 2014, 2014
This paper presents a novel loss balancing modulation method for more evenly distributing semiconductor losses in multilevel active neutral-point-clamped (ANPC) converters. The presented method is achieved by optimally utilizing the redundant switching states of space vector pulse width modulation (SVPWM) in ANPC converters.
Jing, Xin   +2 more
openaire   +2 more sources

Development of a high-fidelity model for an electrically driven energy storage flywheel suitable for small scale residential applications [PDF]

open access: yes, 2018
Energy storage systems (ESS) are key elements that can be used to improve electrical system efficiency by contributing to balance of supply and demand. They provide a means for enhancing the power quality and stability of electrical systems.
Boby   +26 more
core   +2 more sources

An improved SVPWM method for multilevel inverters

open access: yes2012 15th International Power Electronics and Motion Control Conference (EPE/PEMC), 2012
This paper proposes a new general Space Vector PWM (SVPWM) method for Multi-Level Inverters (MLI) based on a generalization of dwell-times calculation. The presented scheme is developed for Cascaded H-Bridge (CHB) inverter. In the proposed strategy, the sectors are defined by two parameters serving for the easy calculation of dwell-times. A very simple
Trabelsi, M.   +5 more
openaire   +2 more sources

Three-Random SVPWM Strategy Based on Markov Chain for NPC Three-Level Inverter

open access: yesCES Transactions on Electrical Machines and Systems
Permanent magnet synchronous motors (PMSMs), owing to the features of low maintenance costs, great efficiency, and high power density, are extensively utilized in applications such as rail transportation, industrial robots, and new energy electric ...
Xuefeng Jin   +5 more
doaj   +1 more source

Leakage Current Elimination of Four-Leg Inverter for Transformerless Three-Phase PV Systems [PDF]

open access: yes, 2016
Eliminating the leakage current is one of the most important issues for transformerless three phase photovoltaic (PV) systems. In this paper, the leakage current elimination of a three-phase four-leg PV inverter is investigated. With the common mode loop
Guerrero, Josep M.   +5 more
core   +2 more sources

Improvement in performance of cascaded multilevel inverter using triangular and trapezoidal triangular multi carrier SVPWM [PDF]

open access: yes, 2016
In this paper a new Trapezoidal Triangular Multi Carrier SVPWM (TTMC-SVPWM) technique has been proposed for a cascaded H bridge multilevel inverter. This technique has been implemented for a 11-level cascaded H-bridge multilevel inverter to evaluate the ...
Chintala, Lokeshwar Reddy   +2 more
core   +2 more sources

Harmonic Reduction in Variable Frequency Drives Using Active Power Filter [PDF]

open access: yes, 2014
In this paper Voltage Source Inverter (VSI) is used to supply a variable frequency variable voltage to a three phase induction motor drive in a variable speed application.
Nithya, K. (K)   +3 more
core   +1 more source

Performance characteristics of an HTS linear synchronous motor with HTS bulk magnet secondary [PDF]

open access: yes, 2011
A single-sided high-temperature superconducting (HTS) linear synchronous motor (HTSLSM) with an HTS bulk magnet array as its secondary has been developed, and a split pulse coil magnetization system is used to magnetize the secondary HTS bulks with ...
Guo, YG, Jin, JX, Zheng, LH, Zhu, JG
core   +1 more source

Advanced SVPWM Technique for Multilevel Inverter Systems

open access: yesEngineering, Technology & Applied Science Research
A computationally efficient Space Vector Pulse Width Modulation (SVPWM) technique is presented in this paper, especially for the Space Vector Modulation (SVM) of three phase, multilevel H-bridge Inverters (HbIs). The primary objective is to improve voltage waveform quality and significantly reduce Total Harmonic Distortion (THD) without the use of ...
Shruthi M.   +2 more
openaire   +1 more source

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