2009 IEEE Conference on Electrical Insulation and Dielectric Phenomena 2009
DOI: 10.1109/ceidp.2009.5377792
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Abstract: This is the accepted version of the paper.This version of the publication may differ from the final published version. Abstract-Dielectric response measurement techniques in both time and frequency domains are studied in order to measure the dielectric loss of XLPE cables, which have very low losses. A high sensitivity transformer ratio bridge system, which can measure loss tangents as low as 10 -5 , has been developed with the ability to measure these cables. A tuned amplifier was designed to help to extend t… Show more

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Cited by 6 publications
(7 citation statements)
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“…Similarly an outer semicon is extruded over the polymer insulation and is in contact with the outer conductor, which is normally at earth potential. At high frequencies, the displacement current drawn by the capacitive cable, may cause a potential to be dropped across these semicons, which form a series resistance, R S , with the capacitance of the cable, Figure 2 [8]. (In this figure, R P is the reciprocal of the conductance of the cable insulation, i.e.…”
Section: B Behavior At High and Low Frequenciesmentioning
confidence: 99%
“…Similarly an outer semicon is extruded over the polymer insulation and is in contact with the outer conductor, which is normally at earth potential. At high frequencies, the displacement current drawn by the capacitive cable, may cause a potential to be dropped across these semicons, which form a series resistance, R S , with the capacitance of the cable, Figure 2 [8]. (In this figure, R P is the reciprocal of the conductance of the cable insulation, i.e.…”
Section: B Behavior At High and Low Frequenciesmentioning
confidence: 99%
“…The most-studied property of XLPE is its dielectric loss coefficient tan(delta) [2,4,8,9,[12][13][14][15][16][17][18][19][20][21]23,27,33,34,39,[41][42][43][44][45][46][47][48][49][50][51][52][53][54][55][56][57][58]. Authors have analyzed the effects of frequency, aging time, cable life, voltage test, and temperature on the tan(delta) distribution and value.…”
Section: Introductionmentioning
confidence: 99%
“…In article [50], the authors, determining the financial costs that result from losses in cable insulation, focused only on losses in XLPE insulation. In article [52], the authors described the effect of semiconductor screens on losses in cables. However, the considerations ended with the analysis of the tan(delta) coefficient, without specifying the impact of semiconductor screens on the value of losses expressed in Watts.…”
Section: Introductionmentioning
confidence: 99%
“…The presence of semiconductor shields leads to additional dielectric losses compared to polymer insulation without shields. Losses in cables in the presence of semiconductor coatings depend on the dielectric permittivity and resistivity of the composite polymer material, which are frequency-dependent parameters [16,17].…”
Section: Introductionmentioning
confidence: 99%
“…The influence of semiconductor coatings taking into account the polarization losses in the frequency range 200 Hz -20 kHz is taken into account in [16] on the basis of a parallel substitution circuit in the form of electric capacitance and resistance of each component of the three-layer composite system connected in series.…”
Section: Introductionmentioning
confidence: 99%