Sel SEL-421 - Analog Quantities; Quantities Listed Alphabetically

Date Code 20111215 Reference Manual SEL-421 Relay
Appendix B
R.Reference Manual
Analog Quantities
This section contains a table of the analog quantities available within the
SEL-421 Relay. For information on using analog quantities in protection and
automation, see Applications Handbook.
Use Table B.2 as a reference for labels in this manual and as a resource for
quantities you use in SEL
OGIC

control equation relay settings. Table B.1
groups the analog quantities alphanumerically; Table B.2 groups the analog
quantities by function.
Quantities Listed Alphabetically
Table B.1 Analog Quantities Sorted Alphabetically (Sheet 1 of 7)
Label Description Units
3DPF Three-phase displacement power factor NA
3I2D Negative-sequence demand current A
a
3I2PKD Negative-sequence peak demand current A
a
3MWH3T Three-phase total energy MWh
a
3MWHIN Three-phase negative (import) energy MWh
a
3MWHOUT Three-phase positive (export) energy MWh
a
3P Three-phase real power MW
a
3P_f Three-phase fundamental real power MW
a
3PD Three-phase demand real power MW
a
3PF Three-phase power factor NA
3PPKD Three-phase peak demand real power MW
a
3PSHOT Present value of three-pole shot counter NA
3Q_f Three-phase fundamental reactive power MVAr
a
3QD Three-phase demand reactive power MVAr
a
3QPKD Three-phase peak demand reactive power MVAr
a
3S_f Three-phase fundamental apparent power MVA
a
3U Three-phase apparent power MVA
a
3UD Three-phase demand apparent power MVA
a
3UPKD Three-phase peak demand apparent power MVA
a
3V0A Zero-sequence 10-cycle average voltage angle degrees
3V0FIA Zero-sequence instantaneous voltage angle degrees
3V0FIM Zero-sequence instantaneous voltage magnitude V
3V0M Zero-sequence 10-cycle average voltage magnitude kV
a
3V2A Negative-sequence 10-cycle average voltage angle degrees