Characterisation parameter of atmospheric pollutant concentration for external insulation. Issue 20 (4th September 2020)

• Record Type: Journal Article
• Authors: Cao, Bin; Yin, Fanghui; Yang, Daiming; Wang, Liming; Farzaneh, Masoud
• Is Part Of: IET generation, transmission & distribution. Volume 14:Issue 20(2020)
• Page Start: 4547
• Page End: 4552
• Publication Date: 2020-09-04
• Subjects: solubility -- insulator testing -- air pollution -- fog -- insulator contamination -- environmental factors -- atmospheric techniques; characterisation parameter -- atmospheric pollutant concentration -- equivalent salt deposit density -- ESDD -- environmental pollution parameters -- air pollution -- environmental factors -- haze‐fog -- high‐conductivity fog -- artificial salt fog -- natural highly conductive pollutions -- equivalent soluble salt concentration -- atmospheric air -- ESSC measurement platform -- pollution deposition -- insulator contamination -- external insulation design -- pollution degree characterisation -- soluble salt amount measurement -- accumulative process; Electric power production -- Periodicals; Electric power transmission -- Periodicals; Electric power distribution -- Periodicals; 621.3105
• DOI: 10.1049/iet-gtd.2020.0726
• Languages: English
• ISSNs: 1751-8687

Abstract

Abstract : Currently, the equivalent salt deposit density (ESDD) is adopted to characterise the pollution degree and many environmental pollution parameters are used to characterise air pollution. However, the relationships between ESDD and environmental pollution parameters are not clear. For the purpose of studying the influence of environmental factors such as haze‐fog, high‐conductivity fog on the insulators contamination and the equivalence between artificial salt fog and natural highly conductive pollutions, a parameter named equivalent soluble salt concentration (ESSC) was proposed to measure the soluble salt amount of the atmospheric air in this study. Based on the measuring principle, an ESSC measurement platform was developed. The developed platform was tested in the laboratory and used to measure the ESSC in the field. According to the experimental results, it was found that the soluble components deposited on the specimen surface in the field are the same as that in the atmospheric air nearby. As the pollution deposition is an accumulative process, it is expected that combined with ESDD, the ESSC can be used to predict the ESDD, which would be of significance to study the accumulated mechanism of insulator contamination, as well as to the external insulation design.