R.B.4
SEL-421 Relay Reference Manual Date Code 20111215
Analog Quantities
Quantities Listed Alphabetically
IASPMA, IBSPMA, ICSPMA Synchrophasor current angle (I_W + I_X terminals) degrees
IASPMAD, IBSPMAD, ICSPMAD Aligned synchrophasor current angle (I_W + I_X terminals) degrees
IASPMI, IBSPMI, ICSPMI Synchrophasor current, imaginary component (I_W + I_X terminals) A
a
IASPMID, IBSPMID, ICSPMID Aligned synchrophasor current imaginary component
(I_W + I_X terminals)
A
a
IASPMM, IBSPMM, ICSPMM Synchrophasor current magnitude (I_W + I_X terminals) A
a
IASPMMD, IBSPMMD, ICSPMMD Aligned synchrophasor current magnitude (I_W + I_X terminals) A
a
IASPMR, IBSPMR, ICSPMR Synchrophasor current, real component (I_W + I_X terminals) A
a
IASPMRD, IBSPMRD, ICSPMRD Aligned synchrophasor current real component (I_W + I_X terminals) A
a
IAWM, IBWM, ICWM Phase filtered instantaneous current magnitude (I_W terminals) A
IAWPMA, IBWPMA, ICWPMA Synchrophasor current angle (I_W terminals) degrees
IAWPMAD, IBWPMAD, ICWPMAD Aligned synchrophasor current angle (I_W terminal) degrees
IAWPMI, IBWPMI, ICWPMI Synchrophasor current, imaginary component (I_W terminals) A
a
IAWPMID, IBWPMID, ICWPMID Aligned synchrophasor current imaginary component (I_W terminal) A
a
IAWPMM, IBWPMM, ICWPMM Synchrophasor current magnitude (I_W terminals) A
a
IAWPMMD, IBWPMMD, ICWPMMD Aligned synchrophasor current magnitude (I_W terminal) A
a
IAWPMR, IBWPMR, ICWPMR Synchrophasor current, real component (I_W terminals) A
a
IAWPMRD, IBWPMRD, ICWPMRD Aligned synchrophasor current real component (I_W terminal) A
a
IAXM, IBXM, ICXM Phase filtered instantaneous current magnitude (I_X terminals) A
IAXPMA, IBXPMA, ICXPMA Synchrophasor current angle (I_X terminals) degrees
IAXPMAD, IBXPMAD, ICXPMAD Aligned synchrophasor current angle (I_X terminal) degrees
IAXPMI, IBXPMI, ICXPMI Synchrophasor current, imaginary component (I_X terminals) A
a
IAXPMID, IBXPMID, ICXPMID Aligned synchrophasor current imaginary component (I_X terminal) A
a
IAXPMM, IBXPMM, ICXPMM Synchrophasor current magnitude (I_X terminals) A
a
IAXPMMD, IBXPMMD, ICXPMMD Aligned synchrophasor current magnitude (I_X terminal) A
a
IAXPMR, IBXPMR, ICXPMR Synchrophasor current, real component (I_X terminals) A
a
IAXPMRD, IBXPMRD, ICXPMRD Aligned synchrophasor current real component (I_X terminal) A
a
IGD Zero-sequence demand current A
a
IGPKD Zero-sequence peak demand current A
a
IN101A–IN107A
e
Digital input values available as floating point quantities between
0 and 255. Multiply value by 1.023 to obtain volts.
A/D counts
IN201A–IN208A
e
Digital input values available as floating point quantities between
0 and 255. Multiply value by 1.279 to obtain volts.
A/D counts
IN301A–IN308A
e
Digital input values available as floating point quantities between
0 and 255. Multiply value by 1.279 to obtain volts.
A/D counts
IPFIM Filtered instantaneous polarizing current magnitude A
L3I2A Negative-sequence 10-cycle average current angle (line) degrees
L3I2FIA Negative-sequence instantaneous current angle (line) degrees
L3I2FIM Negative-sequence instantaneous current magnitude (line) A
L3I2M Negative-sequence 10-cycle average current magnitude (line) A
a
LI1A Positive-sequence 10-cycle average current angle (line) degrees
LI1FIA Positive-sequence instantaneous current angle (line) degrees
Table B.1 Analog Quantities Sorted Alphabetically (Sheet 4 of 7)
Label Description Units
To Next Page
Loading...
