R.B.7
Date Code 20111215 Reference Manual SEL-421 Relay
Analog Quantities
Quantities Listed Alphabetically
V1LPMRD Aligned synchrophasor positive-sequence voltage real component kV
a
V1M Positive-sequence 10-cycle average voltage magnitude kV
a
VABFA, VBCFA, VCAFA Phase-to-phase 10-cycle average fundamental voltage angle degrees
VABFM, VBCFM, VCAFM Phase-to-phase 10-cycle average fundamental voltage magnitude kV
a
VABRMS, VBCRMS, VCARMS Phase-to-phase 10-cycle average rms voltage kV
a
VAFA, VBFA, VCFA Phase 10-cycle average fundamental voltage angle degrees
VAFIA, VBFIA, VCFIA Phase filtered instantaneous voltage angle degrees
VAFIM, VBFIM, VCFIM Phase filtered instantaneous voltage magnitude V
VAFM, VBFM, VCFM Phase 10-cycle average fundamental voltage magnitude kV
a
VALPMA, VBLPMA, VCLPMA Synchrophasor voltage angle degrees
VALPMAD, VBLPMAD, VCLPMAD Aligned synchrophasor voltage angle degrees
VALPMI, VBLPMI, VCLPMI Synchrophasor voltage, imaginary component kV
a
VALPMID, VBLPMID, VCLPMID Aligned synchrophasor voltage, imaginary component kV
a
VALPMM, VBLPMM, VCLPMM Synchrophasor voltage magnitude kV
a
VALPMMD, VBLPMMD, VCLPMMD Aligned synchrophasor voltage magnitude kV
a
VALPMR, VBLPMR, VCLPMR Synchrophasor voltage, real component kV
a
VALPMRD, VBLPMRD, VCLPMRD Aligned synchrophasor voltage, real component kV
a
VARMS, VBRMS, VCRMS Phase 10-cycle average rms voltage kV
a
VAYM, VBYM, VCYM Phase filtered instantaneous voltage magnitude (V_Y terminals) V
VAZM, VBZM, VCZM Phase filtered instantaneous voltage magnitude (V_Z terminals) V
VPM Synchronism-check polarizing voltage magnitude V
Z1FA Positive-sequence instantaneous impedance angle degrees
Z1FM Positive-sequence instantaneous impedance magnitude
a
Primary value of measurement.
b
Encoded value: 1 = Sun, 2 = Mon, 3 = Tue, 4 = Wed, 5 = Thu, 6 = Fri, 7 = Sat.
c
Measured value if the relay can track frequency, otherwise FREQ = nominal frequency setting NFREQ, and DFDT is undefined.
d
See Fault Location on page R.1.18 for more information on this value.
e
Digital input values are not available for boards that have optoisolated inputs.
f
Copy of last value set by TEC command or DNP3.
Table B.1 Analog Quantities Sorted Alphabetically (Sheet 7 of 7)
Label Description Units
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