Sel SEL-421 - Page 656

R.B.2
SEL-421 Relay Reference Manual Date Code 20111215
Analog Quantities
Quantities Listed Alphabetically
3V2FIA Negative-sequence instantaneous voltage angle degrees
3V2FIM Negative-sequence instantaneous voltage magnitude V
3V2M Negative-sequence 10-cycle average voltage magnitude kV
a
ACN01CV–ACN32CV Automation counter current value NA
ACN01PV–ACN32PV Automation counter preset value NA
ACTGRP Active group setting NA
AMV001–AMV256 Automation SEL
OGIC control equation math variable NA
ANG1DIF Synchronizing angle difference 1 degrees
ANG2DIF Synchronizing angle difference 2 degrees
AST01ET–AST32ET Automation sequencing timer elapsed time seconds
AST01PT–AST32PT Automation sequencing timer preset time seconds
B1BCWPA, B1BCWPB, B1BCWPC Circuit Breaker 1 contact wear percent
B1IAFA, B1IBFA, B1ICFA Circuit Breaker 1 phase 10-cycle average fundamental current angle degrees
B1IAFIM, B1IBFIM, B1ICFIM Circuit Breaker 1 phase filtered instantaneous current magnitude A
B1IAFM, B1IBFM, B1ICFM Circuit Breaker 1 phase 10-cycle average fundamental current magnitude A
a
B1IARMS, B1IBRMS, B1ICRMS Circuit Breaker 1 phase 10-cycle average rms current A
a
B1IGFIM Circuit Breaker 1 zero-sequence instantaneous current magnitude A
B2BCWPA, B2BCWPB, B2BCWPC Circuit Breaker 2 contact wear percent
B2IAFA, B2IBFA, B2ICFA Circuit Breaker 2 phase 10-cycle average fundamental current angle degrees
B2IAFIM, B2IBFIM, B2ICFIM Circuit Breaker 2 phase filtered instantaneous current magnitude A
B2IAFM, B2IBFM, B2ICFM Circuit Breaker 2 phase 10-cycle average fundamental current magnitude A
a
B2IARMS, B2IBRMS, B2ICRMS Circuit Breaker 2 phase 10-cycle average rms current A
a
B2IGFIM Circuit Breaker 2 zero-sequence instantaneous current magnitude A
CTRW CTRW setting from active group NA
CTRX CTRX setting from active group NA
DC1, DC2 Filtered dc monitor voltage V
DC1MAX, DC2MAX Maximum dc voltage V
DC1MIN, DC2MIN Minimum dc voltage V
DC1NE, DC2NE Average negative-to-ground dc voltage V
DC1PO, DC2PO Average positive-to-ground dc voltage V
DC1RI, DC2RI AC ripple of dc voltage V
DDOM Day of the month NA
DDOW Day of the week
b
NA
DDOY Day of the year (1–365) NA
DFDT Rate-of-change of frequency, df/dt
c
Hz/s
DFDTD Aligned rate-of-change of frequency, df/dt Hz/s
DMON Month NA
DPFA, DPFB, DPFC Phase displacement power factor NA
DYEAR Year NA
FLOC Fault location
d
per-unit
FOSPM Fraction-of-second of the synchrophasor data seconds
Table B.1 Analog Quantities Sorted Alphabetically (Sheet 2 of 7)
Label Description Units