Results 71 to 80 of about 2,123,170 (163)

Introducing small storage capacity at residential PV installations to prevent overvoltages [PDF]

, 2011
Low voltage distribution feeders are designed for unidirectional energy supply from transformer to consumer. However, the implementation of small-scale PV production units on local utilities may result in bidirectional energy flows.
Cappelle, Jan, Debruyne, Colin, Desmet, Jan, Van Maerhem, Thomas, Vanalme, Johan, Verhelst, Bart, Vispoel, Stijn   +6 more
core   +1 more source

Fixed- and variable-frequency sliding mode controller–maximum power point tracking converter for two-stage grid-integrated photovoltaic system employing nonlinear loads with power quality improvement features

Measurement + Control, 2019
This article presents a reliable and efficient photovoltaic sliding mode voltage-controlled maximum power point tracking DC-DC converter–active power filter integration system to supply real power to grid.
Ravichandran Chinnappan, Premalatha Logamani, Rengaraj Ramasubbu   +2 more
doaj   +1 more source

The Application of Compound Control Algorithm in Photovoltaic System MPPT

Journal of Harbin University of Science and Technology, 2020
Aiming at the problem that the output array exhibits multipeak characteristics when the PV array is partially shaded or unevenly illuminated, the traditional singlepeak MPPT algorithm is difficult to track the maximum power point A hybrid algorithm is ...
WANG Shenghui, LI Yilun, ZHENG Hong, GAO Shan   +3 more
doaj   +1 more source

X-ray Halos and Large Grains in the Diffuse Interstellar Medium [PDF]

, 2001
Recent observations with dust detectors on board the interplanetary spacecraft Ulysses and Galileo have recorded a substantial flux of large interstellar grains with radii between 0.25 and 2.0 mu entering the solar system from the local interstellar ...
Adolf N. Witt, Anders E., Baguhl M., Eli Dwek, Landgraf M., Lehtinen K., Paresce F., Predehl P., Randall K. Smith, Smith R. K., Wiscombe W. J., Witte M.   +11 more
core   +2 more sources

Development of an MPPT-Based Genetic Algorithm for Photovoltaic Systems versus Classical MPPT Techniques in Scenarios with Partial Shading

Inventions
Photovoltaic (PV) systems face challenges in achieving maximum energy extraction due to the non-linear nature of their current versus voltage (IxV) characteristics, which are influenced by temperature and solar irradiation.
Fernando Marcos de Oliveira, Marcelo Henrique Manzke Brandt, Fabiano Salvadori, José Enrique Eirez Izquierdo, Marco Roberto Cavallari, Oswaldo Hideo Ando Junior   +5 more
doaj   +1 more source

A combined reinforcement learning and sliding mode control scheme for grid integration of a PV system

CSEE Journal of Power and Energy Systems, 2019
The paper presents development of a reinforcement learning (RL) and sliding mode control (SMC) algorithm for a 3-phase PV system integrated to a grid.
Aurobinda Bag, Bidyadhar Subudhi, Pravat Kumar Ray   +2 more
doaj   +1 more source

A Multi-Producer Group-Search-Optimization Method-Based Maximum-Power-Point-Tracking for Uniform and Partial Shading Condition

IEEE Access, 2020
The power-voltage (P-U) curve of PV array shows multiple power points, which brings challenges to fast and accurately tracking of the global maximum power point.
Lijuan Li, Yongdong Chen, Hongliang Liu, Wenbing Tang, Mengni Liu, Jun Wu, Zeyu Li   +6 more
doaj   +1 more source

Simulation and Analysis of Photovoltaic Stand-Alone Systems [PDF]

, 2013
Energy saving is biggest issue now a days, renewable energy is playing a big role in producing electricity, among them wind and solar are popular renewable energy sources. Fast tracking of global maximum power point (MPP) is a challenge, many research is
Roy, Tulika Dutta
core  

A First Look at the X-ray Population of the Young Massive Cluster VVV CL077

, 2015
Multi-wavelength analysis of the young massive cluster VVV CL077 is presented for the first time. Our Chandra survey of this region enabled the detection of three X-ray emitting stellar members of the cluster, as well as a possible diffuse X-ray ...
Bauer, Franz E., Bodaghee, Arash, Fornasini, Francesca, Rahoui, Farid, Tomsick, John A.   +4 more
core   +1 more source

Rancang Bangun Trainer Kit Simulator Identifikasi Karakteristik Solar Cell Sebagai Media Pembelajaran

Rekayasa
Solar panels consist of photovoltaic cells which are identical to diode semiconductor devices. Photovoltaics have a special point which is usually called MPP (Maximum Power Point).
Ii Munadhif, Kharisma Nizar Maulana, Mohammad Abu Jamiin   +2 more
doaj   +1 more source