Results 1 to 10 of about 225,893 (305)
Power converters require passive low-pass filters which are capable of reducing voltage ripples effectively. In contrast to signal filters, the components of power filters must carry large currents or withstand large voltages, respectively. In this paper,
Künzi, R.
core +4 more sources
A Review of Passive Power Filters for Three-Phase Grid-Connected Voltage-Source Converters [PDF]
In order to reduce size and cost, high-order passive filters are generally preferred in power converters to cancel out high frequency harmonics caused by pulse width modulation.
Remus Narcis Beres +2 more
exaly +4 more sources
Multi‐band glass‐integrated bandpass filters for new radio (NR) communications
A class of multi‐band bandpass filters (BPFs) based on glass‐integrated multi‐resonant cells (MRCs) are reported. Each MRC comprises multiple in‐parallel connected series‐type resonators that create passbands in‐between transmission zeros (TZs)—located ...
Jeremy Webb, Dimitra Psychogiou
doaj +1 more source
Optimization of Butterworth and Bessel Filter Parameters with Improved Tree-Seed Algorithm
Filters are electrical circuits or networks that filter out unwanted signals. In these circuits, signals are permeable in a certain frequency range. Attenuation occurs in signals outside this frequency range.
Mehmet Beşkirli, Mustafa Servet Kiran
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Miniaturised single‐layer bandpass filters using triple and quad‐mode patch resonators
The authors propose miniaturised single‐layer bandpass filters (BPFs) by utilising a kind of new triple‐ and quad‐mode patch resonators. The triple‐mode resonator consists of a shortened square patch and a loaded metallic via at the centre ...
Ke Gong +6 more
doaj +1 more source
Distributed static compensators (DSTATCOMs), composed of power converters and passive filters, have been extensively utilized in distribution systems to improve their power quality. For the selection of passive filters, LCL filters with smaller sizes and
Xiangjian Meng, Jingyang Fang
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Environmental DNA (eDNA) metabarcoding has shown great promise as an effective, non‐invasive monitoring method for marine biomes. However, long filtration times and the need for state‐of‐the‐art laboratories are restricting sample replication and in situ
Gert‐Jan Jeunen +10 more
doaj +1 more source
A two-step efficiency optimization of a three-phase voltage source inverter with series R damped LCL filter is proposed. The first optimization step aims to find the optimal parameters of the series R damped LCL filter at rated load conditions.
Ahmed Koran +2 more
doaj +1 more source
Harmonic Elimination of 25 kV AC Electric Railways Utilizing a New Hybrid Filter Structure [PDF]
Thyristor rectifiers are widely used in electric railways in order to control the speed. As a consequence of their usage in addition to substantial input lead current, an enormous amount of harmonics is injected into the grid.
S. Yousefi +4 more
doaj +1 more source
Experimental Determination of Parameters of Nonlinear Electrical Load
The paper deals with issues of modeling nonlinear electrical loads of various types, such an uncontrolled rectifier, thyristor rectifier, thyristor power regulator and mixed equivalent nonlinear load. For these load types, existing analytical expressions
Aleksandr Skamyin +3 more
doaj +1 more source

