The Discharge Mechanism Leading to the Tracking Progress in Polyvinyl-Chloride-Sheathed Flat Cord
- Title
- The Discharge Mechanism Leading to the Tracking Progress in Polyvinyl-Chloride-Sheathed Flat Cord
- Author
- 배성우
- Keywords
- Tracking breakdown; Tracking phenomenon; Tracking progress; Scintillation discharge; Discharge mechanism
- Issue Date
- 2019-01
- Publisher
- KOREAN INST ELECTR ENG
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v. 14, Issue 1, Page. 347-353
- Abstract
- Purposes
This paper suggests the mechanism of the discharge phenomenon that leads to tracking progress.
Methods
For this purpose, a polyvinyl-chloride-sheathed flat cord (PVCSFC), which is widely used as a distribution cord, was employed and an artificial crack was intentionally made on the surface. Tracking was progressed using electrolyte droplets. The mechanism of the discharge phenomenon was suggested from the measurement and analysis of the current waveform.
Results
As carbonization progressed during the tracking progress, the frequency of scintillation discharge also significantly increased. The mechanism for scintillation discharge during the tracking progress was based on the change in the electric field of the dry band, initial electron, electron avalanche, photoionization, secondary electron generation (electron detachment, photoemission, and secondary electron emission avalanche), space charge due to positive ions, and formation of conductive channels.
Conclusions
This discharge mechanism could explain the physical phenomenon and change in the current waveform that occurs during the tracking progress.
- URI
- https://link.springer.com/article/10.1007/s42835-018-00004-whttps://repository.hanyang.ac.kr/handle/20.500.11754/102778
- ISSN
- 1975-0102; 2093-7423
- DOI
- 10.1007/s42835-018-00004-w
- Appears in Collections:
- COLLEGE OF ENGINEERING[S](공과대학) > ELECTRICAL AND BIOMEDICAL ENGINEERING(전기·생체공학부) > Articles
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