12.22
SEL-421 Relay Instruction Manual Date Code 20171021
Analog Quantities
VAYPMAD, VBYPMAD,
VCYPMAD
Synchrophasor voltage angle, Terminal Y, delayed for RTC
alignment
Degrees [°] (±180)
VAZPMAD, VBZPMAD,
VCZPMAD
Synchrophasor voltage angle, Terminal Z, delayed for RTC
alignment
Degrees [°] (±180)
VAYPMRD, VBYPMRD,
VCYPMRD
Synchrophasor voltage real component, Terminal Y, delayed for RTC
alignment
Kilo Volts [kV] (primary)
VAZPMRD, VBZPMRD,
VCZPMRD
Synchrophasor voltage real component, Terminal Z, delayed for
RTC alignment
Kilo Volts [kV] (primary)
VAYPMID, VBYPMID,
VCYPMID
Synchrophasor voltage imaginary component, Terminal Y, delayed
for RTC alignment
Kilo Volts [kV] (primary)
VAZPMID, VBZPMID,
VCZPMID
Synchrophasor voltage imaginary component, Terminal Z, delayed
for RTC alignment
Kilo Volts [kV] (primary)
V1YPMMD Positive sequence synchrophasor voltage magnitude, Terminal Y,
delayed for RTC alignment
Kilo Volts [kV] (primary)
V1ZPMMD Positive sequence Synchrophasor voltage magnitude, Terminal Z,
delayed for RTC alignment
Kilo Volts [kV] (primary)
V1YPMAD Positive sequence synchrophasor voltage angle, Terminal Y, delayed
for RTC alignment
Degrees [°] (±180)
V1ZPMAD Positive sequence synchrophasor voltage angle, Terminal Z, delayed
for RTC alignment
Degrees [°] (±180)
V1YPMRD Positive sequence synchrophasor voltage real component,
Terminal Y, delayed for RTC alignment
Kilo Volts [kV] (primary)
V1ZPMRD Positive sequence synchrophasor voltage real component,
Terminal Z, delayed for RTC alignment
Kilo Volts [kV] (primary)
V1YPMID Positive sequence synchrophasor voltage imaginary component,
Terminal Y, delayed for RTC alignment
Kilo Volts [kV] (primary)
V1ZPMID Positive sequence synchrophasor voltage imaginary component,
Terminal Z, delayed for RTC alignment
Kilo Volts [kV] (primary)
IAWPMMD, IBWPMMD,
ICWPMMD
Synchrophasor current magnitude, Terminal W, delayed for RTC
alignment
Amperes [A] (primary)
IAXPMMD, IBXPMMD,
ICXPMMD
Synchrophasor current magnitude, Terminal X, delayed for RTC
alignment
Amperes [A] (primary)
IASPMMD, IBSPMMD,
ICSPMMD
Synchrophasor current magnitude, Terminal S, delayed for RTC
alignment
Amperes [A] (primary)
IAWPMAD, IBWPMAD,
ICWPMAD
Synchrophasor current angle, Terminal W, delayed for RTC
alignment
Degrees [°] (±180)
IAXPMAD, IBXPMAD,
ICXPMAD
Synchrophasor current angle, Terminal X, delayed for RTC
alignment
Degrees [°] (±180)
IASPMAD, IBSPMAD,
ICSPMAD
Synchrophasor current angle, Terminal S, delayed for RTC
alignment
Degrees [°] (±180)
IAWPMRD, IBWPMRD,
ICWPMRD
Synchrophasor current real component, Terminal W, delayed for
RTC alignment
Amperes [A] (primary)
IAXPMRD, IBXPMRD,
ICXPMRD
Synchrophasor current real component, Terminal X, delayed for
RTC alignment
Amperes [A] (primary)
IASPMRD, IBSPMRD,
ICSPMRD
Synchrophasor current real component, Terminal S, delayed for RTC
alignment
Amperes [A] (primary)
IAWPMID, IBWPMID,
ICWPMID
Synchrophasor current imaginary component, Terminal W, delayed
fo
r RTC alignment
Amperes [A] (primary)
IAXPMID, IBXPMID,
ICXPMID
Synchrophasor current imaginary component, Terminal X, delayed
for RTC alignment
Amperes [A] (primary)
Table 12.2 Analog Quantities Sorted by Function (Sheet 11 of 13)
Labels Description Unit
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