Date Code 990215 Standard Event Reports and SER 12-11
SEL-351P Manual Técnico
Column
Heading
Corresponding Elements
(Relay Word Bits)
Symbol
Definition
50 PP 50AB1, 50AB2, 50AB3,
50AB4, 50BC1, 50BC2,
A Phase-to-phase instantaneous
overcurrent element 50AB1,
50AB2, 50AB3, or 50AB4 picked
up.
50BC3, 50BC4, 50CA1,
50CA2, 50CA3, 50CA4
B Phase-to-phase instantaneous
overcurrent element 50BC1,
50BC2, 50BC3, or 50BC4 picked
up.
C Phase-to-phase instantaneous
overcurrent element 50CA1,
50CA2, 50CA3, or 50CA4 picked
up.
a 50AB_ and 50CA_ picked up.
b 50AB_ and 50BC_ picked up.
c 50BC_ and 50CA_ picked up.
3 50AB_, 50BC_, and 50CA_
picked up.
32 PQ F32P P Forward phase directional element
F32P picked up.
R32P p Reverse phase directional element
R32P picked up.
F32Q Q Forward negative-sequence
directional element F32Q picked
up.
R32Q q Reverse negative-sequence
directional element R32Q picked
up.
32 NG F32QG Q Forward negative-sequence
directional element F32QG picked
up.
R32QG q Reverse negative-sequence
R32QG picked up.
F32V V Forward zero-sequence voltage-
polarized element F32V picked up.
R32V v Reverse zero-sequence voltage-
polarized R32V picked up.
F32I I Forward channel IN current-
polarized directional element F32I
picked up.
R32I i Reverse channel IN current-
polarized directional element R32I
picked up.
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