Results 21 to 30 of about 2,430,291 (144)

Harmonic Identification by DQ Axis with Fourier Method for Active Power Filters [PDF]

Songklanakarin Journal of Science and Technology (SJST), 2006
This paper proposes a new method of harmonic identification named DQ axis with Fourier (DQF) method. It lies on the basis of the DQ axis method enhanced by the sliding window Fourier analysis (SWFA).
Kulworawanichpong, T., Areerak, K., Sujitjorn, S.   +2 more
doaj  

Adaptive nonlinear control of single-phase to three-phase UPS system

MATEC Web of Conferences, 2014
This work deals with the problems of uninterruptible power supplies (UPS) based on the single-phase to three-phase converters built in two stages: an input bridge rectifier and an output three phase inverter.
Kissaoui M., Abouloifa A., Giri F., Chaoui F.Z., Abouelmahjoub Y.   +4 more
doaj   +1 more source

District Heating System Optimisation: A Three-Phase Thermo-Hydraulic Linear Model

Energies, 2023
Investments in the development of the district heating system require a thorough analysis of the technical, economic, and legal aspects. Regarding the technical and economic context, a mathematical model of the district heating system has been proposed ...
Piotr Pałka, Marcin Malec, Przemysław Kaszyński, Jacek Kamiński, Piotr Saługa   +4 more
doaj   +1 more source

Detection Method for Three-Phase Electricity Theft Based on Multi-Dimensional Feature Extraction

Sensors
The advent of smart grids has facilitated data-driven methods for detecting electricity theft, with a preponderance of research efforts focused on user electricity consumption data.
Wei Bai, Lan Xiong, Yubei Liao, Zhengyang Tan, Jingang Wang, Zhanlong Zhang   +5 more
doaj   +1 more source

Single-to-three phase induction motor sensorless drive system

Alexandria Engineering Journal, 2012
This paper presented a single to three-phase induction motor drive system to provide variable output voltage and frequency. The proposed drive system employs only six IGBT switches, which form the front-end rectifier and the output inverter for the one ...
Z.M.S. El-Barbary
doaj   +1 more source

Effective Harmonic Cancellation Technique for a Three-Phase Four-Wire System

Energies, 2022
An excess non-linear and unbalanced load application increases the power quality (PQ) problem by injecting harmonic current. The avoidance of neutral current control creates additional PQ problems due to excess circulating current in modern 3φ4W ...
Buddhadeva Sahoo, Mohammed M. Alhaider, Pravat Kumar Rout   +2 more
doaj   +1 more source

Highly efficient three-phase grid-connected parallel inverter system

Journal of Modern Power Systems and Clean Energy, 2018
In this paper, a new three-phase grid-connected inverter system is proposed. The proposed system includes two inverters. The main inverter, which operates at a low switching frequency, transfers active power to the grid.
Evren ISEN, Ahmet Faruk BAKAN
doaj   +1 more source

The effect of the accuracy of determining the angular ratios of the vectors of a three-phase system on the error of estimating symmetric components

Вестник Северо-Кавказского федерального университета
Introduction. Analysis of the quality of electricity based on indicators characterizing voltage asymmetry using the classical method of symmetrical components involves measuring not only an assessment of the voltage modules of a three-phase system, but ...
V. E. Martusenko, Yu. Yu. Dedeshko, D. Е. Minaev   +2 more
doaj   +1 more source

Experimental study of the asymmetry of a three-phase stress system [PDF]

Научно-технический вестник Брянского государственного университета, 2018
“Arduino” allows the computer to simulate the electrical load. Devices using “Arduino” receive sensor information and control the actuators. The platform, with software code, is built on a simple board with a modern environment for writing software. This
Abdieva Z.E., Sariev B.I., Kurzhumbaeva R.B., Kasmambetov K.T.   +3 more
doaj   +1 more source

Electronic Load System With Interleaved Structure Applicable to DC, Single-Phase AC, and Three-Phase AC

IEEE Access, 2022
We propose an electronic load system with an interleaved structure applicable to DC, single-phase AC, and three-phase AC. Applying the interleaved method makes it possible to reduce voltage and current ripple, thereby reducing voltage and current stress ...
Byung-Woo Park, Sung-Jun Park, Feel-Soon Kang   +2 more
doaj   +1 more source