Schweitzer Engineering Laboratories SEL-311L Instruction Manual page 536

Column
Heading
T51P
T50P
T51G
T50G
T51Q
T50Q
12-32
Corresponding
Elements (Relay
Word Bits) Symbol
T51P, T51PT,
T51PR
T50P, T50PT,
T50PR
T51G, T51GT,
T51GR
T50G, T50GT,
T50GR
T51Q, T51QR,
T51QT
T50Q, T50QR,
T50QT
Standard Event Reports and SER
SEL-311L Instruction Manual
r Tap load time-overcurrent phase element
timing to reset
p Tap load time-overcurrent phase element
picked up and timing
T Tap load time-overcurrent phase element
timed out
l Tap load time-overcurrent phase element
timing to reset after having timed out (not
electromechanical reset)
* Tap load inst./def.-time overcurrent element
picked up
T Tap load inst./def.-time overcurrent trip
element asserted
r Tap load time-overcurrent ground element
timing to reset
p Tap load time-overcurrent ground element
picked up and timing
T Tap load time-overcurrent ground element
timed out
l Tap load time-overcurrent ground element
timing to reset after having timed out (not
electromechanical reset)
* Tap load inst./def.-time overcurrent ground
element picked up
T Tap load inst./def.-time overcurrent ground
trip element asserted
r Tap load time-overcurrent negative seq.
element timing to reset
p Tap load time-overcurrent negative seq.
element picked up and timing
T Tap load time-overcurrent negative seq.
element timed out
l Tap load time-overcurrent negative seq
element timing to reset after having timed
out (not electromechanical reset)
* Tap load inst./def.-time overcurrent negative
seq. element picked up
T Tap load inst./def.-time overcurrent negative
seq. trip element asserted
Definition
Date Code 20010625