12.14
SEL-421 Relay Instruction Manual Date Code 20171021
Analog Quantities
VA1YFR Terminal Y, positive-sequence filtered voltage, real component Volts [V] (secondary)
VA1ZFR Terminal Z, positive-sequence filtered voltage, real component Volts [V] (secondary)
VA1YFI Terminal Y, positive-sequence filtered voltage, imaginary component Volts [V] (secondary)
VA1ZFI Terminal Z, positive-sequence filtered voltage, imaginary component Volts [V] (secondary)
3IA2WFR Terminal W, negative-sequence filtered current, real component Amperes [A] (secondary)
3IA2XFR Terminal X, negative-sequence filtered current, real component Amperes [A] (secondary)
3IA2WFI Terminal W, negative-sequence filtered current, imaginary
component
Amperes [A] (secondary)
3IA2XFI Terminal X, negative-sequence filtered current, imaginary
component
Amperes [A] (secondary)
3VA2YFR Terminal Y, negative-sequence filtered voltage, real component Volts [V] (secondary)
3VA2ZFR Terminal Z, negative-sequence filtered voltage, real component Volts [V] (secondary)
3VA2YFI Terminal Y, negative-sequence filtered voltage, imaginary
component
Volts [V] (secondary)
3VA2ZFI Terminal Z, negative-sequence filtered voltage, imaginary
component
Volts [V] (secondary)
3I0WFR Terminal W, zero-sequence filtered current, real component Amperes [A] (secondary)
3I0XFR Terminal X, zero-sequence filtered current, real component Amperes [A] (secondary)
3I0WFI Terminal W, zero-sequence filtered current, imaginary component Amperes [A] (secondary)
3I0XFI Terminal X, zero-sequence filtered current, imaginary component Amperes [A] (secondary)
3V0YFR Terminal Y, zero-sequence filtered voltage, real component Volts [V] (secondary)
3V0ZFR Terminal Z, zero-sequence filtered voltage, real component Volts [V] (secondary)
3V0YFI Terminal Y, zero-sequence filtered voltage, imaginary component Volts [V] (secondary)
3V0ZFI Terminal Z, zero-sequence filtered voltage, imaginary component Volts [V] (secondary)
IAWFM, IBWFM, ICWFM A-Phase, B-Phase, C-Phase, Terminal W, filtered current, magnitude Amperes [A] (secondary)
IAXFM, IBXFM, ICXFM A-Phase, B-Phase, C-Phase, Terminal X, filtered current, magnitude Amperes [A] (secondary)
VAYFM, VBYFM, VCYFM A-Phase, B-Phase, C-Phase, Terminal Y, filtered voltage, magnitude Volts [V] (secondary)
VAZFM, VBZFM, VCZFM A-Phase, B-Phase, C-Phase, Terminal Z, filtered voltage, magnitude Volts [V] (secondary)
IA1WFM Terminal W, positive-sequence filtered current, magnitude Amperes [A] (secondary)
IA1XFM Terminal X, positive-sequence filtered current, magnitude Amperes [A] (secondary)
VA1YFM Terminal Y, positive-sequence filtered voltage, magnitude Volts [V] (secondary)
VA1ZFM Terminal Z, positive-sequence filtered voltage, magnitude Volts [V] (secondary)
3IA2WFM Terminal W, negative-sequence filtered current, magnitude Amperes [A] (secondary)
3IA2XFM Terminal X, negative-sequence filtered current, magnitude Amperes [A] (secondary)
3VA2YFM Terminal Y, negative-sequence filtered voltage, magnitude Volts [V] (secondary)
3VA2ZFM Terminal Z, negative-sequence filtered voltage, magnitude Volts [V] (secondary)
3I0WFM Terminal W, zero-sequence filtered current, magnitude Amperes [A] (secondary)
3I0XFM Terminal X, zero-sequence filtered current, magnitude Amperes [A] (secondary)
3V0YFM Terminal Y, zero-sequence filtered voltage, magnitude Volts [V] (secondary)
3V0ZFM Terminal Z, zero-sequence filtered voltage, magnitude Volts [V] (secondary)
IAWFA, IBWFA, ICWFA A-Phase, B-Phase, C-Phase, Terminal W, filtered current, angle Degrees [°] (±180°)
IAXFA, IBXFA, ICXFA A-Phase, B-Phase, C-Phase, Terminal X, filtered current, angle Degrees [°] (±180°)
Table 12.2 Analog Quantities Sorted by Function (Sheet 3 of 13)
Labels Description Unit