Experimental Investigation of Improvement in the Dielectric Recovery Characteristics of a Molded Case Circuit Breaker Splitter Plate
- Authors
- Lee, Kun-A; Ko, Kwang-Cheol
- Issue Date
- Mar-2020
- Publisher
- SPRINGER SINGAPORE PTE LTD
- Keywords
- Dielectric recovery measurement; Molded case circuit breaker (MCCB); Splitter plate
- Citation
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY, v.15, no.2, pp.757 - 763
- Indexed
- SCIE
SCOPUS
KCI
- Journal Title
- JOURNAL OF ELECTRICAL ENGINEERING & TECHNOLOGY
- Volume
- 15
- Number
- 2
- Start Page
- 757
- End Page
- 763
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/146057
- DOI
- 10.1007/s42835-020-00344-6
- ISSN
- 1975-0102
- Abstract
- The dielectric recovery characteristics of a molded case circuit breaker (MCCB) are related to re-ignition after current-zero. This characteristic affects the interruption reliability of an MCCB because the fault current cannot be interrupted if re-ignition occurs despite trip unit operation. Therefore, to prevent electric leakage during re-ignition, an improvement in the dielectric recovery characteristic is required. In this paper, the influence of the dielectric recovery characteristics on the splitter plate after current-zero was investigated, and a structure intended to improve the splitter plate was proposed. Measurement of the dielectric recovery voltage confirmed that the proposed structure offered improvement compared with the existing ones.
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