Results 1 to 10 of about 831 (269)

Global Optimal Solving Algorithm for Power Distribution Based on Selective Harmonic Elimination in Cascaded H-Bridge Multilevel Inverters [PDF]

Sensors
The conventional power distributions methods face many challenges, such as high switching frequency, multiple carrier cycles, and single power distribution.
Xingyue Qian, Jun Hao, Jiajia Xiao, Hanzhi Yang, Qi Zhang, Zhibao Yuan   +5 more
doaj   +3 more sources

Quasi-modified-Newton method-based selective harmonic elimination in cascaded H bridge inverters [PDF]

Scientific Reports
Multilevel converters have gained significant popularity in medium-voltage and high-power applications due to their numerous advantages over traditional two-level converters.
Bisma Saif, Uzma Masood, Adil Sarwar, Shafiq Ahmad, Liang-Yin Huang, Hwa-Dong Liu   +5 more
doaj   +3 more sources

A new selective harmonic elimination pulse-width and amplitude modulation (SHE-PWAM) for drive applications [PDF]

IECON 2013 - 39th Annual Conference of the IEEE Industrial Electronics Society, 2013
Compared to the conventional selective harmonic elimination-pulse width modulation (SHE-PWM), the selective harmonic elimination-pulse width and amplitude modulation (SHE-PWAM) control strategy results in significant improvements in the performance of CHB inverters.
Hoda Ghoreishy, Ali Yazdian Varjani, Mustafa Mohamadian, Shahrokh Farhangi, Zhe Zhang 0002   +4 more
openaire   +4 more sources

Selective harmonic elimination in T-type multilevel inverter with reduced switch count using Sea-Horse Algorithm [PDF]

Scientific Reports
Multi-level inverters (MLIs) are also used in relatively high-power systems; but the goals of low overall harmonic distortion (THD) and fewer power semiconductor devices remain a design issue of serious difficulty.
Abadal-Salam T. Hussain, Taha Almulaisi, Hazry Desa, Enes Bektaş, Ravi Sekhar, Pritesh Shah, Ahmed Dheyaa Radhi, Noor N. Abed, S. B. Yaakob   +8 more
doaj   +2 more sources

Electromagnetic Field Optimization Based Selective Harmonic Elimination in a Cascaded Symmetric H-Bridge Inverter

Energies, 2022
Multilevel inverters (MLIs), both symmetrical and asymmetrical, have shown to be useful in a number of applications. Continuous improvements in output voltage waveform control and converter size reduction have made this practicable. The output voltage is
Shafiq Ahmad
doaj   +2 more sources

Formulations, Solving Algorithms, Existing Problems and Future Challenges of Pre-Programmed PWM Techniques for High-Power AFE Converters: A Comprehensive Review

Energies, 2022
Considering the development of the hybrid wind and solar photovoltaic generation and smart grid, Active Front-End (AFE) converters for high-power applications are facing significant opportunities and challenges related to power quality and efficiency ...
Tao Jing, Alexander Maklakov, Andrey Radionov, Vadim Gasiyarov, Yuehua Liang   +4 more
doaj   +1 more source

Offline Selective Harmonic Elimination With (2N+1) Output Voltage Levels in Modular Multilevel Converter Using a Differential Harmony Search Algorithm

IEEE Access, 2020
(2N+1) selective harmonic elimination pulse-width modulation (SHE-PWM) is an effective switching strategy of the modular multilevel converter in medium-voltage cases. In these cases, the number of sub-modules (SMs) is not high.
Yayun Xin, Jin Yi, Kai Zhang, Canfeng Chen, Jian Xiong   +4 more
doaj   +1 more source

Components’ Tolerance Impact on the Design of a Real Case of One MW PV Substation

Discrete Dynamics in Nature and Society, 2023
In this article, a real case of a one MW PV substation design problem is described. The impact of the tolerances of power components (mainly inductors and capacitors) on the design is highlighted through two studies using two different control strategies
Ramzi Ben Ayed, Rawia Chakroun, Nabil Derbel, Abdellatif Ben Makhlouf   +3 more
doaj   +1 more source

Three-Phase PWM Inverter for Isolated Grid-Connected Renewable Energy Applications

Energies, 2021
This paper proposes a three-phase isolated flyback inverter (IFBI) for single-stage grid-tied solar PV applications, considering a simple sinusoidal pulse-width modulation (SPWM) scheme.
Ahmed Ismail M. Ali, Takaharu Takeshita, Mahmoud A. Sayed   +2 more
doaj   +1 more source

ASO-Based SHE Method on Hybrid Multilevel Inverter for PV Application Under Dynamic Operating Conditions

IEEE Access, 2023
In multilevel inverters (MLI), output voltage waveform consists of dominant low order harmonics, which needs to be minimized. Simultaneously, good control over the fundamental voltage for desirable operation is needed.
Peeyush Kala, Vibhu Jately, Abhinav Sharma, Jyoti Joshi, Brian Azzopardi   +4 more
doaj   +1 more source