机车电传动, 2015 Mathematic model of ambipolar selected harmonic elimination PWM was explained briefly. The nonlinear surmounting equations of eliminating the specified harmonic were provided, and the new resolving methods for these equations were discussed, and the key ...
CHEN Jianfeng +4 more
doaj
Coconut dehusker machine [PDF]
, 2017 Generally, coconut is dehusked manually using either a machete or a spike. These methods required skill labor and tiring to use. Attempts made so far in development of dehusking tools have been only partially successful and not effective in replacing ...
Che Mat, Faez +5 more
core
A NEW ENHANCED GOAT ALGORITHM FOR FINDING OPTIMUM SWITCHING ANGLE AND HARMONIC REDUCTION [PDF]
, 2020 :-Multi level inverters are used now a days at large,because they have lesser harmonics than single level inverter. Several methodologies have been worked out in order to reduce the harmonics.It has been proved that the soft computing algorithms ...
Adlinde M, Faustino +4 more
core
FPGA Based Implementation of Cascaded Multi-level Inverter with Adjustable DC [PDF]
, 2018 In this paper, total harmonic distortion (THD) minimization problem for cascaded H-Bridge multilevel inverters (CHB-MLIs) with unequal DC sources is studied, which the DC voltage levels of CHB-MLI is considered to be dependent on switching angles.
Firouzkouhi, Hatef
core +2 more sources
Modeling and Analysis of a Cascaded Battery-Boost Multilevel Inverter Using Different Switching Angle Arrangement Techniques [PDF]
Multilevel inverters have the capability to produce an AC staircase output waveform without using a bulky passive filter. Therefore, the multilevel inverters are gaining more and more popularity, among the different types of inverters, for photovoltaic ...
Al Humayun, M. A., Tayab, U. B.
core +2 more sources
Quality Enhancement of AC Chopper Using Genetic Algorithm [PDF]
, 2015 This paper mainly deals with the design of AC chopper using Genetic Algorithm based harmonic elimination technique. Genetic Algorithm is used to calculate optimum switching angles to eliminate lower order harmonics in the output voltage.
A, Maheswari +2 more
core +2 more sources
Dual-frequency output of wireless power transfer system with single inverter using improved differential evolution algorithm [PDF]
, 2020 In wireless charging devices, a transmitter that applies a single inverter to output dual-frequency can effectively solve the charging incompatibility problem caused by different wireless charging standards and reduce the equipment volume. However, it is
Bie, Lizhong +6 more
core +2 more sources
Utilizing the Optimization Algorithm in Cascaded H-Bridge Multilevel Inverter [PDF]
, 2015 This paper proposed the elimination of undesired harmonic in a Cascaded H-Bridge Multi-Level Inverter by using Selective Harmonic Elimination-Pulse Width Modulation strategy with programmed Particle Swarm Optimization algorithm.
Kannan, Ramani, Kumar, M.Suresh
core +1 more source
Determination of minimal total harmonic distortion for single-phase multilevel inverter [PDF]
Multilevel inverters (MLIs) offer numerous advantages, such as low voltage stresses on power switches, low switching losses, and high efficiency. Switching angles applied to MLI must be selected carefully to generate an output voltage waveform with low ...
Ahmad, Noor Syafawati +7 more
core +2 more sources
Development of square wave inverter using DC/DC boost converter [PDF]
, 2019 This paper proposes an alternative topology of an inverter to the existing topologies available in the market. A prototype is intended with the purpose of investigates the possibility of designing an inverter using two Boost Converters.
Ahmad, N. I. +4 more
core +3 more sources