Schweitzer Engineering Laboratories SEL-421-4 - Page 709

12.13
Date Code 20171021 Instruction Manual SEL-421 Relay
Analog Quantities
B1IMAXM Breaker 1 maximum filtered instantaneous breaker phase current
magnitude
Amperes [A] (secondary)
B2IMAXM Breaker 2 maximum filtered instantaneous breaker phase current
magnitude
Amperes [A] (secondary)
VAFIM, VBFIM, VCFIM Filtered instantaneous phase voltage magnitude Volts [V] (secondary)
LIAFIA, LIBFIA, LICFIA Filtered instantaneous current angles Degrees [°] (±180)
VAFIA, VBFIA, VCFIA Filtered instantaneous voltage angles Degrees [°] (±180)
LI1FIM Positive-sequence instantaneous current magnitude Amperes [A] (secondary)
L3I2FIM Negative-sequence instantaneous current magnitude Amperes [A] (secondary)
LIGFIM Zero-sequence instantaneous current magnitude Amperes [A] (secondary)
V1FIM Positive-sequence instantaneous voltage magnitude Volts [V] (secondary)
3V2FIM Negative-sequence instantaneous voltage magnitude Volts [V] (secondary)
3V0FIM Zero-sequence instantaneous voltage magnitude Volts [V] (secondary)
B1IGFIM Breaker 1 zero-sequence instantaneous current magnitude Amperes [A] (secondary)
B2IGFIM Breaker 2 zero-sequence instantaneous current magnitude Amperes [A] (secondary)
Z1FM Positive-sequence instantaneous impedance magnitude Ohms [ohm] (secondary)
L3I2FIA Negative-sequence instantaneous current angle Degrees [°] (±180)
LIGFIA Zero-sequence instantaneous current angle Degrees [°] (±180)
V1FIA Positive-sequence instantaneous voltage angle Degrees [°] (±180)
3V2FIA Negative-sequence instantaneous voltage angle Degrees [°] (±180)
3V0FIA Zero-sequence instantaneous voltage angle Degrees [°] (±180)
LI1FIA Positive-sequence instantaneous current angle Degrees [°] (±180)
Z1FA Positive-sequence instantaneous impedance angle Degrees [°] (±180)
Real and Imaginary Analog Quantities
IAWFR, IBWFR, ICWFR A-Phase, B-Phase, C-Phase Terminal W, filtered current, real
component
Amperes [A] (secondary)
IAXFR, IBXFR, ICXFR A-Phase, B-Phase, C-Phase Terminal X, filtered current, real
component
Amperes [A] (secondary)
IAWFI, IBWFI, ICWFI A-Phase, B-Phase, C-Phase Terminal W, filtered current, imaginary
component
Amperes [A] (secondary)
IAXFI, IBXFI, ICXFI A-Phase, B-Phase, C-Phase Terminal X, filtered current, imaginary
component
Amperes [A] (secondary)
VAYFR, VBYFR, VCYFR A-Phase, B-Phase, C-Phase, Terminal Y, filtered voltage, real
component
Volts [V] (secondary)
VAZFR, VBZFR, VCZFR A-Phase, B-Phase, C-Phase, Terminal Z, filtered voltage, real
component
Volts [V] (secondary)
VAYFI, VBYFI, VCYFI A-Phase, B-Phase, C-Phase, Terminal Y, filtered voltage, imaginary
component
Volts [V] (secondary)
VAZFI, VBZFI, VCZFI A-Phase, B-Phase, C-Phase, Terminal Z, filtered voltage, imaginary
component
Volts [V] (secondary)
IA1WFR Terminal W, positive-sequence filtered current, real component Amperes [A] (secondary)
IA1XFR Terminal X, positive-sequence filtered current, real component Amperes [A] (secondary)
IA1WFI Terminal W, positive-sequence filtered current, imaginary
component
Amperes [A] (secondary)
IA1XFI Terminal X, positive-sequence filtered current, imaginary component Amperes [A] (secondary)
Table 12.2 Analog Quantities Sorted by Function (Sheet 2 of 13)
Labels Description Unit