Open AccessAn Analysis of a shutdown caused by a misoperation of differential protection of high-voltage auxiliary transformer
Author(s) -
Zhunli Qian
Publication year - 2020
Publication title -
iop conference series. earth and environmental science
Language(s) - English
Resource type - Journals
eISSN - 1755-1307
pISSN - 1755-1315
DOI - 10.1088/1755-1315/526/1/012102
Subject(s) - differential protection , shutdown , transformer , voltage , electrical engineering , reliability engineering , computer science , engineering , nuclear engineering
In response to an accident of misoperation of the high-voltage factory transformer differential protection, the cause of the misoperation was investigated and analyzed from the perspective of the volt-ampere characteristics of the current transformer and the protection operation information, and it pointed out the abnormal interruption of DSP memory caused by the malfunction of differential protection, and put forward the corresponding treatment and preventive measures.