Case Analysis of Undesired Action of Buchholz Relay in 500 kV Shell-type Transformer
Focusing on a case of Buchholz relay undesired trip encountered by an actual 500 kV shell-type transformer,this work outlined the underlying mechanism,analyzed the existing problems,and gave four effective countermeasures.
shell-type transformerheavy gaslightning tripinhibition of measuresexcitation inrush current