Sel -351S Instruction Manual page 417

Table 9.7 Relay Word Bit Definitions for SEL-351S
Row Bit Definition
65 PMDOK Phasor measurement data OK (see
F32W Forward directional output for Petersen Coil Wattmetric element (an input to F32N logic)
R32W Reverse directional output for Petersen Coil Wattmetric element (an input to R32N logic)
F32C Forward directional element for Petersen Coil Incremental Conductance Element
R32C Reverse directional element for Petersen Coil Incremental Conductance Element
NSA A-phase forward-fault identification logic output used in fault-type target logic for
Petersen Coil grounded and ungrounded/high-impedance grounded systems (see
Panel Target LEDs on page
NSB B-phase forward-fault identification logic output used in fault-type target logic for
Petersen Coil grounded and ungrounded/high-impedance grounded systems (see
Panel Target LEDs on page
NSC C-phase forward-fault identification logic output used in fault-type target logic for
Petersen Coil grounded and ungrounded/high-impedance grounded systems (see
Panel Target LEDs on page
* Not used.
a
IMPORTANT: See Appendix F: Setting Negative-Sequence Overcurrent Elements
overcurrent elements.
b
NOTE: The Relay Word bits in Row 51 of the Relay Word (LED19–LED26) correspond exactly to the LED logic output in the right-hand column of
respectively). They are just labeled differently. TLED19–TLED26 are available only through the TAR command (see
equations. However Relay Word bits LED19–LED26 can be used in SEL
Relay Word bits LED19–LED26 have labels similar to the SEL
SEL control equation settings are logic inputs (see
OGIC
corresponding LED output TLEDx latches in (asserts to logical 1) when a trip condition occurs. Thus, Relay Word bit LEDx also asserts to logical 1, because it
corresponds exactly to LED logic output TLDx. SEL
Relay Word bit LEDx (a logic output) remains asserted to logical 1.
Date Code 20080103
(Sheet 19 of 19)
Synchrophasor Relay Word Bits on page
5.32)
5.32)
5.32)
control equations.
OGIC
control equation settings in the middle column in
OGIC
Figure 5.17). If logic input LEDx is asserted to logical 1 and corresponding Global Setting LEDxL = Y, then
control equation LEDx (a logic input) eventually deasserts to logical 0 when the trip condition goes away, but
OGIC
Instruction Manual
Relay Word Bits (Used in SEL
L.11)
Front-
Front-
Front-
for special instructions on setting negative-sequence
Table 10.6) and cannot be used in SEL
Table 5.1 (LED19–LED21, LED25, LED26). The LEDx
Setting the Relay 9.47
Control Equations)
OGIC
Primary
Application
Synchrophasors
Control,
Indication
Table 5.1 (TLED–TLED26,
control
OGIC
SEL-351S Relay