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Electrical engineering & Electromechanics, 2020 Introduction. Measurements on alternating current of dielectric absorption parameters – capacitance and dielectric loss tangent tgδ allow us to evaluate the quality of insulation of cables, electrical machines, transformers, etc., both at the ...
G. V. Bezprozvannych, I. A. Kostiukov
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The Role of Probe Attenuation in the Time-Domain Reflectometry Characterization of Dielectrics [PDF]
, 2010 The influence of the measurement setup on the estimation of dielectric permittivity spectra from time-domain reflectometry (TDR) responses is investigated.
Ferraris, S. +6 more
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Measurement of Partial Discharge Activities within Two Artificial Spherical Voids in an Epoxy Resin [PDF]
, 2011 Measurement of partial discharge activities within insulation systems has been extensively performed. It has been widely used in the performance assessment of an insulation system and for insulation diagnostics.
Illias, H A +5 more
core +2 more sources
Feasibility study on Temperature Modulated Dynamic Dielectric Analysis [PDF]
, 2004 The project concerned the development of a novel measurement and analysis tool, designed to aid the study of cure in thermosetting polymers. Cure is the irreversible process whereby an initially liquid (unreacted) resin turns into a rubbery solid and ...
Kazilas, Michalis C. +1 more
core +2 more sources
Sensors, 2021 In this paper, a very high sensitivity microwave-based planar microfluidic sensor is presented. Sensitivity enhancement is achieved and described theoretically and experimentally by eliminating any extra parasitic capacitance not contributing to the ...
Haneen Abdelwahab +4 more
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In-Situ Moisture Assessment in External Walls of Historic Building using Non-Destructive Methods
Environmental and Climate Technologies, 2019 In-situ measurements of a case study building located in Riga old town near the river Daugava has been carried out in this work. Performed measurements are moisture level of historic masonry, and interstitial monitoring of temperature and relative ...
Freimanis Ritvars +3 more
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Design and Calibration of a Low-Cost SDI-12 Soil Moisture Sensor
Sensors, 2019 Water is the main limiting factor in agricultural production as well as a scarce resource that needs to be optimized. The measurement of soil water with sensors is an efficient way for optimal irrigation management.
Juan D. González-Teruel +5 more
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Sensors, 2020 The dielectric properties of biological tissues are typically measured using the open-ended coaxial probe technique, which is based on the assumption that the tissue sample is homogeneous.
Alessandra La Gioia +2 more
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Development of a new prototype system for measuring the permittivity of dielectric materials
The Journal of Engineering, 2014 A simple prototype for measuring the properties of dielectric materials is introduced in this Letter. A homogeneous dielectric sample placed in a field produced by a nearby antenna will affect the input impedance of the antenna.
Jiajia Jiang, Wen Geyi
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, 2010 Partial discharge (PD) is an electrical discharge within a dielectric which does not bridge the electrodes. PD measurement has been widely used for assessing performance of insulation systems.
P L Lewin +5 more
core +2 more sources