Surface charge decay on insulators in air and sulfurhexafluorid - Part II: Measurements

Josef Kindersberger; Christoph Lederle

doi:10.1109/TDEI.2008.4591215

Surface charge decay on insulators in air and sulfurhexafluorid - Part II: Measurements

Josef Kindersberger, Christoph Lederle

Computation, Information and Technology

Technical University of Munich

Research output: Contribution to journal › Article › peer-review

162 Scopus citations

Abstract

The decay of surface charges on polymeric insulators in air and SF ₆ is studied. Surface charge decay by three mechanisms, i.e. by volume and surface resistivity of the insulator as well as charge neutralization by gas ions has been simulated individually in part I. In this part the simulations of the surface charge decay are verified by experiments with insulating plates made of polytetrafluorethylen (PTFE), silicone rubber (SIR) and epoxy resin (EP). The surface charge distribution is generated by corona discharge and the charge decay is simulated by taking all three mechanisms into consideration. The influence of the test setup and particularly the size of the storage volumes on the charge decay are shown in air and SF₆.

Original language	English
Article number	4591215
Pages (from-to)	949-957
Number of pages	9
Journal	IEEE Transactions on Dielectrics and Electrical Insulation
Volume	15
Issue number	4
DOIs	https://doi.org/10.1109/TDEI.2008.4591215
State	Published - Aug 2008

Keywords

Charge decay
Decay mechanism
Natural ionization
SF6
Surface charge

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10.1109/TDEI.2008.4591215

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abstract = "The decay of surface charges on polymeric insulators in air and SF 6 is studied. Surface charge decay by three mechanisms, i.e. by volume and surface resistivity of the insulator as well as charge neutralization by gas ions has been simulated individually in part I. In this part the simulations of the surface charge decay are verified by experiments with insulating plates made of polytetrafluorethylen (PTFE), silicone rubber (SIR) and epoxy resin (EP). The surface charge distribution is generated by corona discharge and the charge decay is simulated by taking all three mechanisms into consideration. The influence of the test setup and particularly the size of the storage volumes on the charge decay are shown in air and SF6.",

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AB - The decay of surface charges on polymeric insulators in air and SF 6 is studied. Surface charge decay by three mechanisms, i.e. by volume and surface resistivity of the insulator as well as charge neutralization by gas ions has been simulated individually in part I. In this part the simulations of the surface charge decay are verified by experiments with insulating plates made of polytetrafluorethylen (PTFE), silicone rubber (SIR) and epoxy resin (EP). The surface charge distribution is generated by corona discharge and the charge decay is simulated by taking all three mechanisms into consideration. The influence of the test setup and particularly the size of the storage volumes on the charge decay are shown in air and SF6.

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Surface charge decay on insulators in air and sulfurhexafluorid - Part II: Measurements

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