Results 71 to 80 of about 2,582 (177)

PERANCANGAN CONTROLLER LOGIKA FUZZY SEBAGAI PENGENDALI RANGKAIAN SWITCHING FILTER AKTIF UNTUK MENGELIMINASI HARMONISA PADA TRANSFORMATOR DISTRIBUSI

Teknologi dan Kejuruan, 2012
: This research designs controller of logic of fuzzy to control network of switching of at active filter so that can inseminate tension of compensation by precision.
Ahmad Fahmi
doaj   +1 more source

Studi Analisa Pengaruh Total Harmonic Distortion (THD) terhadap Rugi-Rugi, Efisiensi, dan Kapasitas Kerja Transformator pada Penyulang Kerobokan

Jurnal SPEKTRUM, 2019
Kerobokan feeder supply electrical energy in the area of Kerobokan. This feeder supplies 67 distribution transformers that serve a variety of customers with nonlinier electrical loads. Nonlinier electrical loads cause harmonics which adversely affect customers and power system equipment, especially distribution transformers. In Kerobokan feeder, only 3
I Wayan Sukerayasa, I Wayan Rinas, I Putu Adi Wirajaya   +2 more
openaire   +2 more sources

Comparison of Total Harmonic Distortion (THD) in Three-Level, Three-Phase Inverters Using Cascaded H-Bridge (CHB) and Neutral-Point-Clamped (NPC) Topologies

Mağallaẗ Al-kūfaẗ Al-handasiyyaẗ
Utilizing the same parameters for operation, 50 Hz frequency, and 380 V line voltage, every single inverter is represented mathematically on the MATLAB/Simulink environment.
Wadhah Hasan
doaj   +1 more source

Harmonic mitigation for symmetrical cascaded h-bridge inverter using sparrow search algorithm

Journal of Electrical Systems and Information Technology
Harmonics in multilevel inverters (MLIs) pose a critical challenge in power electronic systems, degrading power quality and complicating compliance with grid standards.
Daniel Igenumah Tennyson, Abdussamad Umar Jibia, Ibrahim Haruna Shanono, Nasiru Bello Kadandani   +3 more
doaj   +1 more source

Design of Six Pulse Bridge Multiplication Converter Model for Current Harmonic Elimination of Three Phase AC-DC Converter [PDF]

Mehran University Research Journal of Engineering and Technology, 2014
The recent development of semiconductor technology and wide spread use of power electronic devices in power system have open the era of the power system harmonics due to increasing penetration of non-linear loads.
Mansoor Ahmed Soomro, Irfan Ahmed Halepoto, Anwer Ali Sahito   +2 more
doaj  

Mitigating voltage quality issues in Sawla Substation, Ethiopia: A dynamic voltage restorer controlled by neural networks and fuzzy logic

Results in Engineering
Ensuring power quality in distribution systems is critical due to voltage sags, swells, and harmonic distortions, which affect system performance and equipment reliability.
Balakumar Subramanian, Alazar Demamu, Andinet Anjamo, Muluneh Lemma, Yalisho Girma   +4 more
doaj   +1 more source

An Extensive Analysis of Power Quality Improvement in a Three-Stage 15-Level Inverter Using Various ANN Algorithms

IEEE Access
The performance of multilevel inverters (MLIs) in microgrids plays a vital role in managing daily fluctuations in power demand and supporting the reliable operation of renewable energy sources (RES).
K. Sakthivel, S. Albert Alexander
doaj   +1 more source

MITIGATION OF HARMONIC DISTORTION USING OPTIMUM PHASE-SHIFT MULTIPLE PARALLEL INVERTERS

Journal of Engineering and Sustainable Development, 2018
It is clear that the harmonics in power systems have many negative impacts and therefore it is inevitable to reduce their amount to the accepted level and one of the interesting approach to reduce the harmonic distortion is to synchronize phase-shifted ...
Hussain Mustafa Bierk, Fawzi Mohammed Mustafa   +1 more
doaj  

Impact of Periodic Frequency Modulation on Power Quality of Switching Power Converter [PDF]

Journal of Electrical and Electronics Engineering, 2014
In this paper power quality of switching frequency modulated (SFM) power converters is analyzed in details. Careful attention is paid on the effect of SFM parameters on switching power converter input current total harmonic distortion (THD) and power ...
STEPINS Deniss
doaj