Results 31 to 40 of about 193,763 (276)
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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A Lossy Capacitance Measurement Circuit Based on Analog Lock-in Detection
Elektronika ir Elektrotechnika, 2020 This paper presents a lossy capacitance measuring circuit which is based on analog lock-in detection technique. Lossy capacitance can be modelled as a pure capacitor connected in parallel with a resistor.
Mehmet Demirtas +2 more
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Capacitance Measurement of Molten Calcium Silicate under Shear Stress Field
High Temperature Materials and Processes, 2012 The effect of shear stress on the crystallization behavior of molten 50CaO-50SiO2 (mol%) slag was investigated by in-situ measurements of its electrical capacitance in wide temperature range including supercooled region.
Sukenaga Sohei +3 more
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Flexible capacitor characterisation using algebraic parameter identification approach
IET Science, Measurement & Technology, 2021 Flexible capacitive sensor devices have gained attention because of their versatility and adaptability to several requirements. However, the proper implementation of those devices into flexible electronic systems imply some challenges related to the ...
Andrea G. Martínez‐Lopez +4 more
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IEEE Access, 2021 A technique for conducting online estimation of the intrinsic parameters of encapsulated three-phase harmonic filter capacitors is presented. The concept is based on firstly sampling the line voltage and current associated with the encapsulated capacitor,
Wai-Kwan Lee +2 more
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Electrical Capacitance Tomography Using Incomplete Measurement Set
IEEE Access, 2019 In the electrical capacitance tomography (ECT) systems, the electrodes, and cables may fail to function properly, which will cause several measurements missing. In these cases, image reconstruction can only use the remaining effective measurements.
Ziqiang Cui, Zihan Xia, Huaxiang Wang
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Development study of a capacitance void fraction sensor using asymmetrical electrode plates
Journal of Fluid Science and Technology, 2016 A capacitance-based void fraction sensor has been developed for the rocket or airbreathing engines, which is simple and do not disturb the flow. Typical conventional sensors usually have two concave electrodes mounted on the outer wall of the dielectric ...
Yuki SAKAMOTO +2 more
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Measurement + Control, 2023 This study aims to analyze the correlation between electrical properties of soil and NPK concentration in the soil. The conductivity and capacitance of soil with various NPK concentrations were measured.
Dudi Darmawan +3 more
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A 3-Port Network-Based Capacitance Measurement Method for Asymmetric Half-Bridge Power Modules
IEEE AccessThis paper proposes a method to measure the capacitance of an asymmetric half-bridge power module using a single 3-port S-parameter measurement. The capacitance of a power module originates from power semiconductors including the package and affects ...
Jaewon Rhee +4 more
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Evaluation of Oil-Film Thickness Along the Path of Contact in a Gear Mesh by Capacitance Measurement
Tribology Online, 2016 This paper presents a new method to evaluate the oil-film thickness in gears. By using high speed capacitance measurements in combination with an exact timing it is possible to detect the changes in capacitance along the path of contact.
Alexander Furtmann, Gerhard Poll
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