Results 21 to 30 of about 5,405,430 (295)
New trends in active filters for improving power quality [PDF]
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
core +1 more source
Design and implementation of a modified fourier analysis harmonic current computation technique for power active filters using DSPs [PDF]
The design and implementation of a harmonic current computation technique based on a modified Fourier analysis, suitable for active power filters incorporating DSPs is presented.
El-Habrouk, M +3 more
core +1 more source
Hybrid Filters To Damp Harmonic Resonance In Power Transmission Systems
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
doaj +1 more source
Development of Control Techniques Using Modified Fuzzy Based SAPF for Power Quality Enhancement
Low power distribution systems have severe power quality issues due to the non-linearity of several residential and industrial loads. The main power quality issue is the harmonics leading to the overheating of the transformers in the distribution systems.
T. M. Thamizh Thentral +6 more
doaj +1 more source
Minimization of power losses in passive power filters
THE PURPOSE. Broadband passive filters (BBF) are an effective measure to mitigate harmonic resonance in power systems with nonlinear harmonic producing loads.
N. P. Boyarskaya +4 more
doaj +1 more source
An important power quality issue is related to current harmonic components demanded by non-linear loads. A solution to mitigate this issue is to use hybrid power filters (HPFs), that apply low power active filters with passive filters.
Leonardo Rodrigues Limongi +3 more
doaj +1 more source
Power factor correction in power delivery systems with mutipulse nonlinear loads
THE PURPOSE. Мutipulse rectifiers are widely used as a nonlinear loads in industrial distribution systems. The advantage of mutipulse rectifiers is low harmonic emission and high power factor.
D. E. Egorov +4 more
doaj +1 more source
Power Combiner Integrated with Harmonic Filter
テレビ・FM放送機は, kWクラスまで全固体化が進んできた.これらの放送機の終段に用いる電力合成器として, 搬送波の高調波成分を除去する機能を有する合成器を考案した.本合成器を用いれば, 高周波フィルターは不要であり, 放送機の出力回路が小型になる利点がある.実際に, FMlkW放送機用の4合成器を製作し, 良好な特性を得た.
Ono, Hiroshi +2 more
openaire +2 more sources
Digital Current-Control Schemes [PDF]
The paper is about comparing the performance of digital signal processor-based current controllers for three-phase active power filters. The wide use of nonlinear loads, such as front-end rectifiers connected to the power distribution systems for dc ...
Limongi, Leonardo +3 more
core +1 more source
Modern optimal controllers for hybrid active power filter to minimize harmonic distortion [PDF]
Nowadays, AC distributed power networks are facing many challenges in guaranteeing and improving the required level of power quality indices in power networks with increasing nonlinear, time-variable and unbalanced loads.
Feras Alasali +11 more
core +1 more source

