Results 1 to 10 of about 2,582 (177)

Experimental evaluation and accuracy analysis of inductive current transformers under realistic nonlinear and harmonic-rich load conditions [PDF]

Scientific Reports
This paper provides an experimental evaluation of two current transformers’ (CTs’) accuracy performance under linear and nonlinear load scenarios. Four performance indicators–measured RMS current, total harmonic distortion (THD), ratio error, and phase ...
Ben H. L. Daouli, Hassan Mana, Chouaib Labiod, Ali Bebboukha, Ievgen Zaitsev   +4 more
doaj   +2 more sources

Reduction of Total Harmonic Distortion (THD) on Multilevel Inverter with Modified PWM using Genetic Algorithm

Emitter: International Journal of Engineering Technology, 2017
In this research, modified PWM has been applied to the multilevel inverter (MLI) single-phase three-level diode clamp full bridge. Modified PWM is performed to produce minimum Total Harmonic Distortion (THD) the voltage because the quality of the good ...
Lucky Pradigta Setiya Raharja, Ony Asrarul Q., Zainal Arief, Novie Ayub Windarko   +3 more
doaj   +2 more sources

Utilization of a New Meta Heuristic Algorithm to Minimize Total Harmonic Distortion (THD)

Majlesi Journal of Electrical Engineering
Recently applications of multilevel inverter become more convenient in power electronic. The Output closes to sinusoidal wave form, capability of creating high value of voltage or current, less blocking voltage on switches and…, made multilevel ...
Hamed Hosseinnia, Daryoush Nazarpour
doaj   +1 more source

Input Current THD Reduction via Virtual Resistant in EV Charger [PDF]

Journal of Operation and Automation in Power Engineering, 2021
This paper investigates a fundamental issue in AC-DC rectifiers that are specifically used as charger for electric vehicle (EV), i.e. the total harmonic distortion (THD) of input current waveforms.
A. Mohammadi, M.A. Shamsi Nejad
doaj   +1 more source

Analisa Pemasangan Filter Pasif Sebagai Peredam Harmonisa Akibat Beban Non Linier

JRST: Jurnal Riset Sains dan Teknologi, 2023
Studi ini bertujuan menganalisa dampak pemasangan filter pasif pada beban listrik yaitu salah satu konsumen 3 phase PT. PLN. Variabel yang diamati adalah total harmonic distortion (THD) arus, THD tegangan, faktor daya dan putaran kwh meter elektromekanik.
Hari Prasetijo, Priswanto Priswanto, Widhiatmoko H.P., Irunowo Irunowo   +3 more
doaj   +1 more source

Investigation of the usage of zigzag transformers to reduce harmonics distortion in distribution systems

Journal of Mechatronics, Electrical Power, and Vehicular Technology, 2023
The increasing use of power electronics in various sectors leads to harmonic distortion in electric power systems, affecting power quality and equipment longevity.
Langlang Gumilar, Ibram Adib Wicaksono, Arif Nur Afandi, Ahmad Asri Abd Samat, Quota Alief Sias   +4 more
doaj   +1 more source

A Review of Total Harmonic Distortion Factors for the Measurement of Harmonic and Interharmonic Pollution in Modern Power Systems

Energies, 2021
Harmonic distortion is one of the disturbances that most affects the quality of the electrical system. The widespread use of power electronic systems, especially power converters, has increased harmonic and interharmonic emission in a wide range of ...
Angel Arranz-Gimon, Angel Zorita-Lamadrid, Daniel Morinigo-Sotelo, Oscar Duque-Perez   +3 more
doaj   +1 more source

Non‐linear control of a boost PFC converter with a small inductor based on feedforward correction and frequency variation

IET Power Electronics, 2022
To reduce total harmonic distortion (THD) and improve the power factor (PF) of a boost power factor correction (PFC) converter, here, the authors propose a non‐linear control algorithm that includes the feedforward correction (FC) algorithm in the ...
Hongda Song, Li Liu, Yang Yang, Yimin Gong, ChenChen Zhang, Zhengqiang Hao, Zhengjie Hao, Jiannan Zhang   +7 more
doaj   +1 more source

A Proposed Harmonic Monitoring System for Large Power Users Considering Harmonic Limits

Energies, 2020
Most power utilities within Southern Africa are faced with the challenges of harmonic distortion due to the high penetration of renewable energy sources (RES) and the use of electronic devices.
Rosalia Sinvula, Khaled Mohamed Abo-Al-Ez, Mohamed Tariq Kahn   +2 more
doaj   +1 more source

Feasibility Analysis for Power Transformer Expectancy and Loss of Life “A practical Case Study in Egyptian Electricity Transmission Company” [PDF]

Port Said Engineering Research Journal, 2014
Quality of power supply is now a major worldwide important issue making harmonic analysis an essential element in power system planning and design. Because of the power transformers are major components in power systems; this paper studies the impact of ...
Ibrahim Henidaq, Gamal Mahmoud, Ahmed Daoud, Hamed Zarzoura   +3 more
doaj   +1 more source