Results 21 to 30 of about 200,323 (312)

Coherence‐based integrated detection and assessment algorithm for voltages and currents unbalance/disturbance in three‐phase synchronous generators: A validation of simulation results

open access: yesThe Journal of Engineering, 2023
The phenomenon of imbalance is a variation of voltage and current waveforms from a perfect sinusoidal waveform, which is considered a crucial challenge in power systems.
Ragab Abd Allah Mahmoud
doaj   +1 more source

Development of a Novel Control Scheme to Achieve the Minimum Unbalance Factor and Real Power Fluctuations under Asymmetrical Faults

open access: yesEnergies, 2023
The increasing share of converter-based renewable energy sources in the power system has forced the system operators to demand voltage support from the converters in case of faults.
Muhammad Abubakar   +2 more
doaj   +1 more source

Estimation of power factor by the analysis of Power Quality data for voltage unbalance [PDF]

open access: yes2009 Third International Conference on Electrical Engineering, 2009
Power Quality (PQ) has been identified as a complex and diversified problem across the board in electrical power industry. It has not only confused the power utilities but also has attracted the attention of its customers and equipment manufacturers. Although extensive research work is being done in this field but one of the main problem encountered by
Paracha, Zahir Javed   +3 more
openaire   +2 more sources

Enhanced Electric Vehicle Integration in the UK Low Voltage Networks with Distributed Phase Shifting Control [PDF]

open access: yes, 2019
Electric vehicles (EV) have gained global attention due to increasing oil prices and rising concerns about transportation-related urban air pollution and climate change.
Denai, Mouloud, Vega-Fuentes, Eduardo
core   +3 more sources

Modeling Of Calculation Of Voltage Unbalance Factor Using Simulink (Matlab)

open access: yesThe American Journal of Engineering And Techonology, 2020
This paper presents the problem of power quality in asymmetric modes in low-voltage electrical networks. The modeling of determination of power value, voltages and currents and, accordingly, their symmetric components, using the Simulink package in the MatLab program is shown.
I.Kh. Kholiddinov   +4 more
openaire   +2 more sources

Neutral conductor current in three-phase networks with compact fluorescent lamps [PDF]

open access: yes, 2013
In this paper, expressions of the neutral conductor current in three-phase networks with compact fluorescent lamps (CFLs) are obtained from a CFL “black-box” model proposed in the literature.
Cunill Solà, Jordi   +2 more
core   +2 more sources

Theoretical and Experimental Investigation of the Supply Voltage Unbalance Effects on Squirrel Cage Induction Motors

open access: yesAlgerian Journal of Signals and Systems, 2019
Voltage unbalance is one of the power quality problems causing a lot of ill effects on induction motors. These are namely: Overheating, line-current unbalance, derating, torque pulsation, and inefficiency.
Fatma Zohra DEKHANDJI, Hamid BENTARZI
doaj   +1 more source

An Adaptive Clustering-Based Distributed Voltage Regulation Scheme for Unbalanced Distribution Systems With Multiple Renewable DGs and OLTCs

open access: yesIEEE Access, 2023
In this paper, a real-time adaptive clustering-based distributed voltage regulation scheme is presented for the voltage regulation of unbalanced distribution systems.
Rabbaya Akhtar   +7 more
doaj   +1 more source

Design and development of a novel Invasive Blood Pressure simulator for patient's monitor testing [PDF]

open access: yes, 2020
This paper presents a newly-designed and realized Invasive Blood Pressure (IBP) device for the simulation on patient’s monitors. This device shows improvements and presents extended features with respect to a first prototype presented by the authors and ...
Bibbo, Daniele   +5 more
core   +1 more source

Virtual Vector-Based FCS-MPC for NPC Three-Level Grid-Tied Inverter Without Weighting Factor of Neutral-Point Voltage Balancing

open access: yesIEEE Access, 2022
The neutral-point clamped (NPC) inverter is widely used in energy conversion, but the unbalance of neutral-point voltage (NPV) will lead to imprecise control and the decline of power quality.
Nan Jin   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy