R.B.8
SEL-421 Relay Reference Manual Date Code 20111215
Analog Quantities
Quantities Listed by Function
Quantities Listed by Function
Table B.2 Analog Quantities Sorted By Function (Sheet 1 of 7)
Label Description Units
Current
IPFIM Filtered instantaneous polarizing current magnitude A
IAWM, IBWM, ICWM Phase filtered instantaneous current magnitude (I_W terminals) A
IAXM, IBXM, ICXM Phase filtered instantaneous current magnitude (I_X terminals) A
LIAFIM, LIBFIM, LICFIM Phase filtered instantaneous current magnitude (line) A
LIAFIA, LIBFIA, LICFIA Phase filtered instantaneous current angle (line) degrees
LIAFM, LIBFM, LICFM Phase 10-cycle average fundamental current magnitude (line) A
a
LIAFA, LIBFA, LICFA Phase 10-cycle average fundamental current angle (line) degrees
LIARMS, LIBRMS, LICRMS Phase 10-cycle average rms current (line) A
a
LI1FIM Positive-sequence instantaneous current magnitude (line) A
LI1FIA Positive-sequence instantaneous current angle (line) degrees
LI1M Positive-sequence 10-cycle average current magnitude (line) A
a
LI1A Positive-sequence 10-cycle average current angle (line) degrees
L3I2FIM Negative-sequence instantaneous current magnitude (line) A
L3I2FIA Negative-sequence instantaneous current angle (line) degrees
L3I2M Negative-sequence 10-cycle average current magnitude (line) A
a
L3I2A Negative-sequence 10-cycle average current angle (line) degrees
LIGFIM Zero-sequence instantaneous current magnitude (line) A
LIGFIA Zero-sequence instantaneous current angle (line) degrees
LIGM Zero-sequence 10-cycle average current magnitude (line) A
a
LIGA Zero-sequence 10-cycle average current angle (line) degrees
B1IAFIM, B1IBFIM, B1ICFIM Circuit Breaker 1 phase filtered instantaneous current magnitude A
B2IAFIM, B2IBFIM, B2ICFIM Circuit Breaker 2 phase filtered instantaneous current magnitude A
B1IAFM, B1IBFM, B1ICFM Circuit Breaker 1 phase 10-cycle average fundamental current magnitude A
a
B2IAFM, B2IBFM, B2ICFM Circuit Breaker 2 phase 10-cycle average fundamental current magnitude A
a
B1IAFA, B1IBFA, B1ICFA Circuit Breaker 1 phase 10-cycle average fundamental current angle degrees
B2IAFA, B2IBFA, B2ICFA Circuit Breaker 2 phase 10-cycle average fundamental current angle degrees
B1IARMS, B1IBRMS, B1ICRMS Circuit Breaker 1 phase 10-cycle average rms current A
a
B2IARMS, B2IBRMS, B2ICRMS Circuit Breaker 2 phase 10-cycle average rms current A
a
B1IGFIM Circuit Breaker 1 zero-sequence instantaneous current magnitude A
B2IGFIM Circuit Breaker 2 zero-sequence instantaneous current magnitude A
Voltage
VAYM, VBYM, VCYM Phase filtered instantaneous voltage magnitude (V_Y terminals) V
VAZM, VBZM, VCZM Phase filtered instantaneous voltage magnitude (V_Z terminals) V
VAFIM, VBFIM, VCFIM Phase filtered instantaneous voltage magnitude V
VAFIA, VBFIA, VCFIA Phase filtered instantaneous voltage angle degrees
VAFM, VBFM, VCFM Phase 10-cycle average fundamental voltage magnitude kV
a
VAFA, VBFA, VCFA Phase 10-cycle average fundamental voltage angle degrees
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