Electrical Engineering in JapanVolume 98, Issue 4 p. 81-88 Article A practical construction of a protection system for transformer internal faults by Sheath coils attached to transformers with concentric cylindrical windings Hiroshi Sasaki, Hiroshi Sasaki Hiroshima UniversitySearch for more papers by this authorKazuyoshi Shigemaru, Kazuyoshi Shigemaru Hiroshima UniversitySearch for more papers by this authorTsutomu Sakimoto, Tsutomu Sakimoto Goal Incorporation Ltd.Search for more papers by this authorToshimune Okihara, Toshimune Okihara Hiroshima UniversitySearch for more papers by this author Hiroshi Sasaki, Hiroshi Sasaki Hiroshima UniversitySearch for more papers by this authorKazuyoshi Shigemaru, Kazuyoshi Shigemaru Hiroshima UniversitySearch for more papers by this authorTsutomu Sakimoto, Tsutomu Sakimoto Goal Incorporation Ltd.Search for more papers by this authorToshimune Okihara, Toshimune Okihara Hiroshima UniversitySearch for more papers by this author First published: 1978 https://doi.org/10.1002/eej.4390980411AboutPDF ToolsRequest permissionExport citationAdd to favoritesTrack citation ShareShare Give accessShare full text accessShare full-text accessPlease review our Terms and Conditions of Use and check box below to share full-text version of article.I have read and accept the Wiley Online Library Terms and Conditions of UseShareable LinkUse the link below to share a full-text version of this article with your friends and colleagues. Learn more.Copy URL Volume98, Issue41978Pages 81-88 RelatedInformation