Results 261 to 270 of about 299,337 (283)

Power and mismatch losses mitigation by a fixed electrical reconfiguration technique for partially shaded photovoltaic arrays

Energy Conversion and Management, 2019
Abstract Partial shading is the most commonly occurring scenario among the modules of the photovoltaic arrays invoking power and mismatch losses. To attenuate these losses, various interconnection topologies for partial shading mitigation have been proposed in the literatures.
Priya Ranjan Satpathy, Renu Sharma
openaire   +1 more source

Novel Hybrid PV Array Configurations for extracting maximum Power by reducing number of peaks and mitigating mismatching power loss under partial shading conditions

IECON 2020 The 46th Annual Conference of the IEEE Industrial Electronics Society, 2020
Some of the PV modules in an array get partially shaded due to shadow of tall structures, passing clouds, dust or bird droppings. These Partial Shading Conditions (PSC’s) tend to reduce the power output of the array and produce multiple peaks of power on the P-V characteristics.
Aditi Atul Desai, Suresh Mikkili
openaire   +1 more source

A Novel Thermoelectric Power System for Mitigating Power Mismatch Losses in Non-Uniform Temperature Fields

Against the backdrop of the global advancement of the "dual carbon" strategy, the utilization of low-grade waste heat resources via thermoelectric modules has become a crucial approach for energy conservation and consumption reduction. However, non-uniform temperature distribution under actual operating conditions leads to severe power mismatch losses ...
Shenhua Hu, Wuyuan Hu, Xiaojing Ma, Junshuo Cao, Xiangrong Ma   +4 more
openaire   +1 more source

Reducing Mismatch Losses in Grid-Connected Residential BIPV Arrays Using Active Power Conversion Components

2010
Building-integrated photovoltaics (BIPV) have seen an impressive development throughout the world this last decade. In France, photovoltaic (PV) installations under 3 kWp represent 90% of the plants in service as of 2009, and count for 42% of the national installed photovoltaic power [1].
Picault, D., Raison, B., Bacha, S.
openaire   +1 more source

Measurement of reflection coefficient of RF signal source using a mismatch power meter with loss-less dielectric

Conference Digest Conference on Precision Electromagnetic Measurements, 2003
We have proposed a method measuring the equivalent reflection coefficient of radio-frequency (RF) broadband signal source in its working condition using a mismatch power meter with loss-less dielectric. Measurement has been made for a signal source of X-band rectangular waveguide.
K. Furuya, T. Inoue
openaire   +1 more source

Hybrid PV Array Configurations for Mitigating the Mismatching Power loss and Number of Peaks in the Output Characteristics under various PSCs

IECON 2019 - 45th Annual Conference of the IEEE Industrial Electronics Society, 2019
The photovoltaic (PV) central inverter architecture comprises various array configurations. The conventional configurations are series-parallel (S-P), total-cross-tied (T-C-T), bridge-linked (B-L), and honey-comb (H-C). These configurations produce the higher mismatching power loss and also represents the number of peak power points (PPPs) in the ...
Suneel Raju Pendem, Vikash Varma Katru, Suresh Mikkili   +2 more
openaire   +1 more source

Power Loss Due to Current Mismatch in Amorphous Silicon Module Strings: Theory, Experiment and Statistical Analysis

2008
We propose three analytical methods to predict power loss in large strings due to mismatch of maximum power point (MPP) currents of constituent photovoltaic modules. These methods are based on fitting a cubic polynomial to a portion of the power (P) versus current (I) curves and extracting a small number of parameters needed to expand the P(I) curves ...
Le, L.T., Kuzma, N.N., Stevens, M.S., Delahoy, A.E.   +3 more
openaire   +1 more source

PV Module Mismatch Power Loss Analysis by Partial Shade and Study for Improving the Power Loss

New & Renewable Energy, 2016
ByungKeun Yoon, SeungYeon Kim, SangBack Choi, YongSu Jin, Chul Yun, WhooHyen Kwon   +5 more
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Optimal Aperture Sizing to Minimize Power and Mode Mismatch Losses in Gaussian Beam Propagation

Losses in optical experiments are critical and arise from various sources and require careful identification, analysis, and mitigation. This paper focuses on Gaussian beam propagation through circular apertures, examining both optical and mode mismatch losses.
edwige tournefier, Martina De Laurentis, Romain Bonnand, Eleonora Polini   +3 more
openaire   +1 more source

A Novel Thermoelectric System for Mitigating Power Mismatch Losses in Non-Uniform Temperature Fields

Against the backdrop of the global advancement of the "dual carbon" strategy, the utilization of low-grade waste heat resources via thermoelectric modules has become a crucial approach for energy conservation and consumption reduction. However, non-uniform temperature distribution under actual operating conditions leads to severe power mismatch losses ...
Shenhua Hu, Mingqiang Li, Xiaojing Ma, Junshuo Cao, Xiangrong Ma   +4 more
openaire   +1 more source