Results 81 to 90 of about 1,334,479 (354)

Research of three-level active power filter based on fuzzy control

open access: yesGong-kuang zidonghua, 2013
The paper proposed a control scheme of three-level active power filter based on ip-iq harmonic current detection, fuzzy PI current control and space vector pulse width modulation. It established a mathematical model of the three-level active power filter,
LIU Jian-hua   +4 more
doaj  

Design of active power filter for narrow-band power line communications

open access: yesMATEC Web of Conferences, 2018
In power line communication (PLC), couplers such as coupling transformers and band-pass matching coupling circuits are usually required for coupling, band-pass filtering, and impedance matching.
Wang Bingting, Cao Ziping
doaj   +1 more source

Hybrid optimization shunt active power filter based on radar power system

open access: yesMeasurement + Control, 2023
The problem of load nonlinearity is exposed as more and more load types are introduced into the radar power system. The nonlinear load is easy to produce large harmonic current, but at the same time it seriously threatens the normal and safe operation of
Yuetong Wang   +6 more
doaj   +1 more source

Design strategy for the combined system of shunt passive and series active filters [PDF]

open access: yes, 1991
A design strategy for the combined power filter for a three-phase twelve-pulse thyristor rectifier is proposed. The shunt passive filter, which can minimize the output voltage of the series active filter, is designed and tested in a prototype model.
Akagi, Hirofumi, Fujita, Hideki
core   +1 more source

Decentralised Power Active Filters

open access: yesAdvances in Electrical and Electronic Engineering, 2004
This paper deals with a decentralised power active filter control based on the separated computation of reference current for each active filter operating under determinated harmonic frequency. The basic principle of such controlled active filter is explained.
Marek Roch   +2 more
openaire   +1 more source

Cell surface interactome analysis identifies TSPAN4 as a negative regulator of PD‐L1 in melanoma

open access: yesMolecular Oncology, EarlyView.
Using cell surface proximity biotinylation, we identified tetraspanin TSPAN4 within the PD‐L1 interactome of melanoma cells. TSPAN4 negatively regulates PD‐L1 expression and lateral mobility by limiting its interaction with CMTM6 and promoting PD‐L1 degradation.
Guus A. Franken   +7 more
wiley   +1 more source

A new control technique for active power filters using a combined genetic algorithm/conventional analysis [PDF]

open access: yes, 2002
In this paper, the computational problems associated with the optimization techniques used to evaluate the switching patterns for controlling variable-characteristics active power filters are presented and critically analyzed.
Darwish, MK, El-Habrouk, M
core   +1 more source

Operation of Three-Level Inverter-Based Shunt Active Power Filter Under Nonideal Grid Voltage Conditions With Dual Fundamental Component Extraction

open access: yesIEEE transactions on power electronics, 2018
In this paper, a new reference current generation method is proposed for effective harmonics mitigation and reactive power compensation of three-level neutral-point diode clamped inverter-based shunt active power filter (SAPF) under nonideal grid voltage
Y. Hoon, M. Radzi, M. Hassan, N. Mailah
semanticscholar   +1 more source

LDAcoop: Integrating non‐linear population dynamics into the analysis of clonogenic growth in vitro

open access: yesMolecular Oncology, EarlyView.
Limiting dilution assays (LDAs) quantify clonogenic growth by seeding serial dilutions of cells and scoring wells for colony formation. The fraction of negative wells is plotted against cells seeded and analyzed using the non‐linear modeling of LDAcoop.
Nikko Brix   +13 more
wiley   +1 more source

Research of deadbeat control of three-level paralleling active power filter

open access: yesGong-kuang zidonghua, 2013
Working principle of three-level paralleling active power filter based on switching function was introduced, mathematical model for the active power filter was established, and a deadbeat control scheme for the active power filter was proposed.
SHI Li-ping   +3 more
doaj  

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