12.11
Date Code 20171021 Instruction Manual SEL-421 Relay
Analog Quantities
VABFM, VBCFM,
VCAFM
10-cycle average fundamental phase-to-phase voltage magnitude Kilo-volts [kV] (primary)
VABRMS, VBCRMS,
VCARMS
10-cycle average RMS phase-to-phase voltage magnitude Kilo-volts [kV] (primary)
VAFA, VBFA, VCFA 10-cycle average fundamental phase voltage angle Degrees [°] (±180)
VAFIA, VBFIA, VCFIA Filtered instantaneous voltage angles Degrees [°] (±180)
VAFIM, VBFIM, VCFIM Filtered instantaneous phase voltage magnitude Volts [V] (secondary)
VAFM, VBFM, VCFM 10-cycle average fundamental phase voltage magnitude Kilo-volts [kV] (primary)
VARMS, VBRMS,
VCRMS
10-cycle average RMS phase-voltage Kilo-volts [kV] (primary)
VAYFA A-Phase Terminal Y, filtered voltage, angle Degrees [°] (±180°)
VAYFI A-Phase Terminal Y, filtered voltage, imaginary component Volts [V] (secondary)
VAYFM A-Phase Terminal Y, filtered voltage, magnitude Volts [V] (secondary)
VAYFR A-Phase Terminal Y, filtered voltage, real component Volts [V] (secondary)
VAYM, VBYM, VCYM Filtered instantaneous voltage magnitude, Terminal Y Volts [V] (secondary)
VAYPMA, VBYPMA,
VCYPMA
Synchrophasor voltage angle, Terminal Y Degrees [°] (±180)
VAYPMAD, VBYPMAD,
VCYPMAD
Synchrophasor voltage angle, Terminal Y, delayed for RTC alignment Degrees [°] (±180)
VAYPMI, VBYPMI,
VCYPMI
Synchrophasor voltage imaginary component, Terminal Y Kilo Volts [kV] (primary)
VAYPMID, VBYPMID,
VCYPMID
Synchrophasor voltage imaginary component, Terminal Y, delayed for
RTC alignment
Kilo Volts [kV] (primary)
VAYPMM, VBYPMM,
VCYPMM
Synchrophasor voltage magnitude, Terminal Y Kilo Volts [kV] (primary)
VAYPMMD, VBYPMMD,
VCYPMMD
Synchrophasor voltage magnitude, Terminal Y, delayed for RTC
alignment
Kilo Volts [kV] (primary)
VAYPMR, VBYPMR,
VCYPMR
Synchrophasor voltage real component, Terminal Y Kilo Volts [kV] (primary)
VAYPMRD, VBYPMRD,
VCYPMRD
Synchrophasor voltage real component, Terminal Y, delayed for RTC
alignment
Kilo Volts [kV] (primary)
VAZFA A-Phase, Terminal Z, filtered voltage, angle Degrees [°] (±180°)
VAZFI A-Phase, Terminal Z, filtered voltage, imaginary component Volts [V] (secondary)
VAZFM A-Phase, Terminal Z, filtered voltage, magnitude Volts [V] (secondary)
VAZFR A-Phase, Terminal Z, filtered voltage, real component Volts [V] (secondary)
VAZM, VBZM, VCZM Filtered instantaneous voltage magnitude, Terminal Z Volts [V] (secondary)
VAZPMA, VBZPMA,
VCZPMA
Synchrophasor voltage angle, Terminal Z Degrees [°] (±180)
VAZPMAD, VBZPMAD,
VCZPMAD
Synchrophasor voltage angle, Terminal Z, delayed for RTC alignment Degrees [°] (±180)
VAZPMID, VBZPMID,
VCZPMID
Synchrophasor voltage imaginary component, Terminal Z, delayed for
RTC alignment
Kilo Volts [kV] (primary)
VAZPMM, VBZPMM,
VCZPMM
Synchrophasor voltage magnitude, Terminal Z Kilo Volts [kV] (primary)
VAZPMMD, VBZP-
MMD, VCZPMMD
Synchrophasor voltage magnitude, Terminal Z, delayed for RTC
alignment
Kilo Volts [kV] (primary)
Table 12.1 Analog Quantities Sorted Alphabetically (Sheet 11 of 12)
Label Description Unit
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