Table 9.1 Event Types - Schweitzer Engineering Laboratories SEL-787 Instruction Manual

9.4 Analyzing Events
Event Reporting
SEL-787 Relay
Event Type
The field displays the event type. Event types and the logic used to
Event
determine event types are shown in

Table 9.1 Event Types

Event Type
Diff 87 Trip
REF Trip
Wdg1 Ph 50 Trip
Wdg1 Gnd 50 Trip
Wdg1 50Q Trip
Wdg2 Ph 50 Trip
Wdg2 Gnd 50 Trip
Wdg2 50Q Trip
Neutral 50 Trip
Wdg1 Ph 51 Trip
Wdg1 Gnd 51 Trip
Wdg1 51Q Trip
Wdg2 Ph 51 Trip
Wdg2 Gnd 51 Trip
Wdg2 51Q Trip
Neutral 51 Trip
PowerElemnt Trip
Undervolt Trip
Overvolt Trip
Volt/Hz 24 Trip
Frequency 81 Trip
RTD Trip
RTD Fail Trip
Breaker Failure Trip
Remote Trip
CommIdleLossTrip
Trigger
ER Trigger
Trip
Currents, Voltages, and RTD Temperatures
The
Current Mag
the TRIP Relay Word bit asserted or the ER equation asserted. The currents
displayed are listed below:
➤
Winding Currents (
➤
Neutral Current (
Instruction Manual
Table 9.1.
Event Type Logic
(87U OR 87R) AND TRIP
(REF1F OR REF1P) AND TRIP
(50P11T OR 50P12T OR 50P13T OR 50P14T) AND
TRIP
(50G11T OR 50G12T) AND TRIP
(50Q11T OR 50Q12T) AND TRIP
(50P21T OR 50P22T OR 50P23T OR 50P24T) AND
TRIP
(50G21T OR 50G22T) AND TRIP
(50Q21T OR 50Q22T) AND TRIP
(50N11T OR 50N12T) AND TRIP
51P1T AND TRIP
51G1T AND TRIP
51Q1T AND TRIP
51P2T AND TRIP
51G2T AND TRIP
51Q2T AND TRIP
51N1T AND TRIP
(3PWR1 OR 3PWR2) AND TRIP
(27P1T OR 27P2T) AND TRIP
(59P1T OR 59P2T OR 59Q1T OR 59Q2T) AND TRIP
(24D1T OR 24C2T) AND TRIP
(81D1T OR 81D2T OR 81D3T OR 81D4T) AND TRIP
RTDT AND TRIP
RTDFLT AND TRIP
(BFT1 OR BFT2) AND TRIP
REMTRIP AND TRIP
(COMMIDLE OR COMMLOSS) AND TRIP
Serial port TRI command
ER Equation assertion
TRIP with no known cause
fields display the primary current magnitudes at the instant
IAWn, IBWn, ICWn, IGWn
)
IN
{n = 1 and 2})
Date Code 20081022