Results 101 to 110 of about 31,344 (251)
Laser &Photonics Reviews, EarlyView.A compact and low insertion loss programmable photonic circuit is demonstrated based on a 7‐cell hexagonal waveguide mesh with a large free spectral range (FSR) of 31 GHz for a 6‐gate ring resonator configuration. Vernier rings and a dual‐injected ring configuration are demonstrated on this circuit with a further improved FSR of 93 GHz.
Yu Zhang +6 more
wiley +1 more source
A filter design approach to maximize ampacity of cables in nonsinusoidal power systems [PDF]
, 2015 This paper presents an optimal design of the C-type passive filters for the effective utilization of the power cables under nonsinusoidal conditions based on maximization of the harmonic derating factor (HDF) of a power cable, where maintaining the load ...
Abdel Aleem, SHE +3 more
core +1 more source
Polymer International, EarlyView.A new organic molecular cathode interlayer is presented built upon the perylene butyl tetraester scaffold. The new molecule incorporates N‐annulation and a functional amine group to control optical, electrochemical and physical properties and delivers excellent solar cell performance. Abstract We report a new amino‐bay‐substituted, N‐annulated perylene
Kathryn M Wolfe +7 more
wiley +1 more source
New trends in active filters for improving power quality [PDF]
, 1995 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.
Akagi, Hirofumi
core +1 more source
Progress in Photovoltaics: Research and Applications, EarlyView.We present an optimized fabrication strategy incorporating a solution‐processed SnO2 buffer layer that prevents sputter‐induced damage during TCO deposition, enabling semitransparent perovskite solar cells with 21.87% efficiency, 27.15% in tandem, and exceptional long‐term stability under continuous illumination and outdoor conditions.
Satish Bykkam +12 more
wiley +1 more source
PHOTOVOLTAIC BASED SHUNT ACTIVE POWER FILTER USING P-Q THEORY FOR ENHANCING THE POWER QUALITY
Electrica, 2015 This paper proposes a three phase shunt active power filter with photovoltaic array and battery, incorporatedwith DC-DC boost converter. The filter consists of a three phase voltage source PWM converter with a DC capacitor atthe input side.
R. BALAMURUGAN, R. NITHYA
doaj +2 more sources
Model Predictive Current Control for Low-Cost Shunt Active Power Filter
CSEE Journal of Power and Energy SystemsPerformance of a three-phase shunt active power filter (SAPF) relies on the capability of the controller to track the reference current. Therefore, designing an accurate current controller is crucial to guarantee satisfactory SAPF operation.
Ali A. Abdel-Aziz +2 more
doaj +1 more source
Active filters for power quality improvement [PDF]
, 2001 This paper deals with problems related with harmonics in power system networks. Several international standards issued to control power quality problems are briefly described and some important methods to analyse electrical circuits with non-sinusoidal ...
Afonso, João L. +2 more
core
Three-phase current-source shunt active power filter with solar photovoltaic grid interface [PDF]
, 2015 This paper presents the proposal of a three phase current source shunt active power filter (CS-SAPF) with photovoltaic grid interface. The proposed system combines the compensation of reactive power and harmonics with the injection of energy from a solar
Afonso, João L. +5 more
core +1 more source
Progress in Photovoltaics: Research and Applications, EarlyView.This study introduces a self‐supervised machine learning approach integrating physics‐based principles to estimate open‐circuit voltage (voc$$ {v}_{oc} $$) degradation in photovoltaic systems using SCADA data. By combining clustering and regression algorithms, our method detects performance deviations without labelled datasets.
Sandra Riaño +4 more
wiley +1 more source