2019
DOI: 10.4028/www.scientific.net/msf.970.297
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Study of the Effect of Low-Frequency Interference on Resistance-to-Voltage Converter in Cable Insulation Testing

Abstract: The study focuses on the effect of low-frequency noise on resistance converter of teraommeters to test cable insulation. A mathematical pendulum was used to simulate low frequency electromagnetic interference. It was found that the greatest effect is exerted by dynamic effects of electrostatic charges that accumulate on the printed circuit board, electronic components, structural elements of the resistance-to-voltage converter, and on the test cable sheath. The effect of constant and alternating magnetic field… Show more

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Cited by 4 publications
(2 citation statements)
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“…The main problems of measurements of electrical cable insulation resistance pertain to [ 4 , 5 , 6 ]: the impact of the capacitance of cable products on the fast response time of measurement instruments (teraohmmeters); sensitivity of the teraohmmeter output chain to low frequency noise. …”
Section: Introductionmentioning
confidence: 99%
“…The main problems of measurements of electrical cable insulation resistance pertain to [ 4 , 5 , 6 ]: the impact of the capacitance of cable products on the fast response time of measurement instruments (teraohmmeters); sensitivity of the teraohmmeter output chain to low frequency noise. …”
Section: Introductionmentioning
confidence: 99%
“…A number of problems arising during monitoring the cable insulation quality by electrical resistance are associated with a large value of the measured resistance. One of the most important problems is the sensitivity of the input circuits of the measuring device (teraohmmeter) to low-frequency interference [1][2][3][4][5][6], which occurs during mutual movement of electrostatic charges that accumulate on the surface of the measuring device, cable and operator.…”
Section: Introductionmentioning
confidence: 99%