12.16
SEL-351A Relay Instruction Manual Date Code 20080213
Standard Event Reports and SER
Standard 15/30-Cycle Event Reports
b 59B_ and 59C_ elements picked
up.
c 59C_ and 59A_ elements picked
up.
3 59A_, 59B_ and 59C_ elements
picked up.
59 PP 59AB, 59BC,
59CA
A AB phase-to-phase instantaneous
overvoltage element 59AB picked
up.
B BC phase-to-phase instantaneous
overvoltage element 59BC picked
up.
C CA phase-to-phase instantaneous
overvoltage element 59CA picked
up.
a 59AB and 59CA elements picked
up.
b 59AB and 59BC elements picked
up.
c 59BC and 59CA elements picked
up.
3 59AB, 59BC, and 59CA elements
picked up.
59 PP2
(delta-connected)
59AB2, 59BC2,
59CA2
A AB phase-to-phase instantaneous
overvoltage element 59AB2 picked
up.
B BC phase-to-phase instantaneous
overvoltage element 59BC2 picked
up.
C CA phase-to-phase instantaneous
overvoltage element 59CA2 picked
up.
a 59AB2 and 59CA2 elements
picked up.
b 59AB2 and 59BC2 elements
picked up.
c 59BC2 and 59CA2 elements
picked up.
3 59AB2, 59BC2, and 59CA2 ele-
ments picked up.
59 V1Q
(wye-connected)
59V1, 59Q 1 Positive-sequence instantaneous
overvoltage element 59V1 picked
up.
Q Negative-sequence instantaneous
overvoltage element 59Q picked
up.
b Both 59V1 and 59Q picked up.
Table 12.3 Output, Input, and Protection, and Control Element Event Report
Columns (Sheet 5 of 9)
Column Heading
Corresponding
Elements (Relay
Word Bits)
Symbol Definition
Courtesy of NationalSwitchgear.com
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