Results 21 to 30 of about 853,168 (246)
Hybrid Filters To Damp Harmonic Resonance In Power Transmission Systems
Eletrônica de Potência, 2006 Problems related to harmonic propagation in transmission systems have been noticed in the last years. Passive filters, commonly used to attenuate noncharacteristic harmonics in HVDC systems, stay at risk of disconnection from the system due to ...
Lucas F. Encarnação +4 more
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New trends in active filters for improving power quality [PDF]
, 1996 Since their basic compensation principles were proposed around 1970, active filters have been studied by many researchers and engineers aiming to put them into practical applications.
H. Akagi, Akagi, Hirofumi
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Comparison of active and passive EMI filters to reduction conducted noise
ITM Web of Conferences, 2018 The article presents the results of experimental studies of passive and active EMI filters for reduction of conducted noise. Firstly, the article presents selected structures of passive filters that have been tested in terms of insertion loss parameter ...
Pasko Marian, Szymczak Marek
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Analog Filter Design: A Succinct Investigation
Algerian Journal of Signals and Systems, 2018 In many systems, it is essential to extract or enhance the desired information and remove the unwanted components. This is the simplest aim of signal processing where the filter turns out to be the key element.
Abdelmadjid RECIOUI +3 more
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Parametrically enhanced bandpass filters
IET Microwaves, Antennas & Propagation, 2021 This paper proposes a technique to enhance the quality factor (Q) of a resonator, which can then be used to realise bandpass filters (BPFs) with reduced insertion loss (IL) and improved passband selectivity.
Lap K. Yeung, Xiating Zou, Yuanxun Wang
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Passive permeation sampling of atmospheric HNO3 [PDF]
, 2021 Passive samplers based on molecular diffusion are used to measure many organic and inorganic gaseous species in the atmosphere. In this study, the permeation resistance of two types of polytetrafluoroethylene membrane filters (TA300 and PF100, the same ...
Yamato, Koki +2 more
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Measurements On Passive Tunable Optical Filters For DWDM [PDF]
, 2002 WFOPC 2002 IEEE/LEOS Workshop on Fibre and Optical Passive Components, University of Glasgow, Scotland, on 5th-6th June 2002.Measurements on a passive optical fibre tunable filter are presented.
Sánchez-Pena, José Manuel +3 more
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Passive bandpass filters for modern microwave communication systems
Физика волновых процессов и радиотехнические системыBackground. Bandpass filters are an integral part of any radio engineering systems and modern communication systems. Research and development of new passive components is due to growing need for such elements for modernization and creation of new modern ...
Aleksey S. Koigerov +3 more
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Genetic and combinatorial algorithms for optimal sizing and placement of active power filters
International Journal of Applied Mathematics and Computer Science, 2015 The paper deals with cost effective compensator placement and sizing. It becomes one of the most important problems in contemporary electrical networks, in which voltage and current waveform distortions increase year-by-year reaching or even exceeding ...
Maciążek Marcin +2 more
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Review of oscillations in VSC-HVDC systems caused by control interactions
The Journal of Engineering, 2019 Owing to the fast control response and distinct characteristics of the voltage source converter (VSC), various types of oscillation incidents related to the VSC-HVDC systems have been observed around the world.
Congqi Yin +3 more
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