∑ mode and △ mode

ENSO mode and ENSO-like mode

period ratio of torsion mode to translation mode

abnormal tripping

AC tripping

accident tripping operation

adaptive current fast- tripping protection

automatic tripping

auxiliary tripping relay

blockage during tripping

cascade tripping

contact for tripping

cross tripping

cumulative tripping

delay tripping

instantaneous over current tripping

pipe tripping

shielding failure tripping rate

starting tripping

strike tripping