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Development of a readout circuit and platform for uric acid measurement for urolithiasis application. [PDF]

open access: yesFront Bioeng Biotechnol
Caya MV   +6 more
europepmc   +1 more source
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Examination of State of the Cable Insulation by the Return Voltage

International Journal of Emerging Electric Power Systems, 2018
Abstract The relevance of the study is conditioned by the need to determine the state and residual life duration of high-voltage cable lines to identify faulty and maintainable cables. The aim of the article is to determine a reliable scientifically grounded criterion for assessment of insulation characteristics of the cables in use and ...
Dmitry Semenov   +3 more
exaly   +3 more sources

A Review of Methods and Associated Models used in Return Voltage Measurement

2018 International Conference on Diagnostics in Electrical Engineering (Diagnostika), 2018
The measurement of dielectric properties of high voltage equipment insulations gives the basic information of the condition of the insulation. This helps in determine the aging process in the insulation. The diagnosis of the dielectric properties of the insulation materials can be performed either in time or frequency domain.
Ehtasham Mustafa   +2 more
exaly   +4 more sources

Temperature dependence of return voltage characteristics

IEEE Transactions on Power Delivery, 1999
Recently the return voltage measurements have been proposed for the diagnostics on the high voltage equipment characterising the dielectric properties of insulation systems. The application of return voltage method at the diagnostics of the HV current transformers are presented in this paper.
A. Kozlovskis, J. Rozenkrons
exaly   +2 more sources

On the Return-Voltage Buildup in Insulating Materials

IEEE Transactions on Electrical Insulation, 1987
Charged capacitors which have been temporarily short-circuited display a "return voltage" buildup which may cause severe shocks. This old phenomenon has been reinvestigated on various materials (polyethylene, polyester, Kapton®, etc.) poled by different techniques (HV, corona, plasma, etc.) after different poling times.
R. Coelho   +3 more
openaire   +2 more sources

Study on initial slope characteristic quantity of return voltage

2015 IEEE International Conference on Applied Superconductivity and Electromagnetic Devices (ASEMD), 2015
The dominate time constant obtained by return voltage method has a good effect on the moisture evaluation of the transformer insulation, but it is not accurate to diagnose insulation condition by means of the characteristic quantity. The initial slope of the return voltage is an important characteristic quantity which cans reflect insulation ...
Tao Zhang   +3 more
openaire   +2 more sources

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