Schweitzer Engineering SEL-351P - Page 564

Date Code 990215 Standard Event Reports and SER 12-13
SEL-351P Manual Técnico
Column
Heading
Corresponding Elements
(Relay Word Bits) Symbol Definition
27 PP 27AB, 27BC, 27CA A AB phase-to-phase instantaneous
undervoltage element 27AB
picked up.
B BC phase-to-phase instantaneous
undervoltage element 27BC picked
up.
C CA phase-to-phase instantaneous
undervoltage element 27CA
picked up.
a 27AB and 27CA elements picked
up.
b 27AB and 27BC elements picked
up.
c 27BC and 27CA elements picked
up.
3 27AB, 27BC, and 27CA elements
picked up.
27 S 27S * Channel VS instantaneous
undervoltage element 27S picked
up.
59 P 59A1, 59A2, 59B1, 59B2,
59C1, 59C2
A A-phase instantaneous overvoltage
element 59A1 or 59A2 picked up.
B B-phase instantaneous overvoltage
element 59B1 or 59B2 picked up.
C C-phase instantaneous overvoltage
element 59C1 or 59C2 picked up.
a 59A_ and 59B_ elements picked
up.
b 59B_ and 59C_ elements picked
up.
c 59C_ and 59A_ elements picked
up.
3 59A_, 59B_, and 59C_ elements
picked up.