Simulation and Comparison of Twenty Five Level Diode Clamped & Cascaded H-Bridge Multilevel Inverter
Iranian Journal of Electrical and Electronic Engineering, 2018 This paper presents the comparative study of three phase twenty five level diode clamped and cascaded H-bridge multilevel inverters. The comparison is made in respect of requirement of devices, quality of output voltage and reduction of total harmonic ...
S. R. Sadu, P. V. Prasad, G. N. Srinivas
doaj
Study of Excitation Characteristics of Traction Machine/Drive Systems
Energies, 2019 In order to accurately evaluate the performance of a traction machine/drive system, it is necessary to have an accurate excitation source which considers current harmonics.
Wenying Jiang, Qiqi Guo, Zhen Zhang
doaj +1 more source
PWM Control of a Buck Converter with an Amorphous Core Coil [PDF]
, 2011 Pulse-width modulation is widely used to control electronic converters. One of the most topologies used for high DC voltage/low DC voltage conversion is the Buck converter.
García García, Alfonso +3 more
core +1 more source
Generalized inverses applied to Pulse Width Modulation for static conversion: a first study [PDF]
, 2013 This paper points out the generic matrix approach to design Pulse Width Modulation strategies of three-phase Voltage Source Inverters. This well-known problem has infinitely many solutions, and many modulation methods already exist.
Berkoune, Karima +5 more
core +4 more sources
Design of a single-phase SPWM inverter application with PIC micro controller
Engineering Science and Technology, an International Journal, 2019 The goal of this study was to investigate low level harmonic content with unipolar voltage switching and bipolar voltage switching methods. Hence, we designed a single-phase full-bridge inverter application with Pulse Width Modulation (PWM) technique by ...
Yaşar Birbir +2 more
doaj +1 more source
Input current shaped ac-to-dc converters [PDF]
Input current shaping techniques for ac-to-dc converters were investigated. Input frequencies much higher than normal, up to 20 kHz were emphasized. Several methods of shaping the input current waveform in ac-to-dc converters were reviewed.
core +1 more source
Penghasilan modul pembelajaran kendiri bahan dan binaan berasaskan web [PDF]
, 2003 Perkembangan teknologi maklumat dalam dunia pendidikan tidak Iagi boleh dinafikan pada masa kini. Keperluan yang meningkat dalam sistem pembelajaran dan pengajaran memerlukan mereka yang terlibat memberi sepenuh tumpuan terhadap mata pelajaran bagi ...
Mohd Salleh, Mohd Faizal
core
Improved natural balancing with modified phase shifted PWM for single-leg five-level flying-capacitor converters [PDF]
, 2012 Flying capacitor converters (FCCs), as most multilevel converter topologies, require a balancing mechanism of the capacitor voltages. FCCs have the valuable property of natural voltage balancing when a special modulation technique is used.
Melkebeek, Jan +3 more
core +1 more source
Class D amplifier power stage with PWM feedback loop [PDF]
, 2013 This paper presents a Second-Order Pulse Width Modulation (PWM) feedback loop to improve Power Supply Rejection (PSR) of any open-loop PWM Class-D amplifiers (CDAs). PSR of the audio amplifier has always been a key parameter in mobile phone applications.
Cox, Stephen M. +3 more
core +1 more source
Development and performance of pulse-width-modulated static inverter and converter modules [PDF]
Pulse-width-modulated inverter and converter modules are being developed for modular aerospace electrical power systems. The modules, rate 2.5 kilowatts per module and 10-minute - 150-percent overload, operate from 56 volts dc.
Birchenough, A. G. +5 more
core +1 more source