Results 21 to 30 of about 17,323 (265)
An improving control strategy for grid -connected current in weak grid [PDF]
E3S Web of Conferences, 2021 The traditional proportional feedforward control strategy can suppress the low order harmonics in the strong power grid, but in the weak power grid environment, the grid impedance will have an adverse impact on the stability of the system, resulting in ...
Songyuan Deng, Xia Zhao
doaj +1 more source
Горные науки и технологии, 2021 Alumina production is rather complex technological process of processing mineral raw materials that requires development of effective technological solutions, including in terms of efficiency of using electric energy. The paper is devoted to studying the
Thanh Lich Do
doaj +1 more source
Energy Conversion and Economics, 2022 Voltage sags flickers, and harmonics are major problems associated with power quality and are of concern to power companies and consumers. Therefore, efforts to improve power quality have increased. This study explores the dynamic performance of a static
Mohammed Redha Qader
doaj +1 more source
Modelling and prediction of current harmonics generated by power converters in distribution networks
IET Generation, Transmission & Distribution, 2021 Predicting current harmonics in distribution networks is essential to find harmonic losses and power quality indices. In order to predict the current harmonics, the effect of grid impedance and voltage distortions on grid‐connected power converters need ...
Arash Moradi +5 more
doaj +1 more source
Dyna, 2020 This article assesses the impact on the Power Quality produced by the interconnection of a microgrid to a transmission system, real-time simulation have been used to carry out the study, applying national and international power quality standards, IEEE ...
Juan Geronimo Villarreal Montoya +2 more
doaj +1 more source
Evaluation of the Harmonic Impedance of Frydlant (Line 53) Power Network
Advances in Electrical and Electronic Engineering, 2013 The harmonic impedance of the power system is an important quantity, which describes the behaviour of the power system with the existence of different frequencies beside the fundamental.
Shehab Abdulwadood Ali, Alfred Bodor
doaj +1 more source
Neural Networks Based Shunt Hybrid Active Power Filter for Harmonic Elimination
IEEE Access, 2021 The growing use of nonlinear devices is introducing harmonics in power system networks that result in distortion of current and voltage signals causing damage to power distribution systems.
Muzammil Iqbal +7 more
doaj +1 more source
Nigerian Journal of Technological Development, 2023 Addressing the pressing research problem of power fluctuations and grid harmonics in the integration of renewable energy, our proposed control strategy utilizes the Prairie Dog Optimization Fractional Order Proportional Integral Derivative (PDO-FOPID ...
NAGARAJU SAMALA, Chandramouli Bethi
doaj
Advanced Engineering Materials, EarlyView.In this review, the current state of light‐assisted 3D printing as it pertains to engineering musculoskeletal tissues including bone, cartilage, skeletal muscle, tendon, and ligaments is summarized. Common printing techniques, photoreactive materials, and study design choices are compiled and reviewed.
Meagan Morgan, Bin Zhang, Roger Narayan
wiley +1 more source
IEEE Access, 2020 To reveal the penetration characteristics of high-frequency harmonics of the traction network to the three-phase 380 V power system in the traction substation (TSS), the harmonic equivalent circuit model and harmonic penetration mathematical model of the
Yuanzhe Zhao +3 more
doaj +1 more source