Sel SEL-421 - Page 659

R.B.5
Date Code 20111215 Reference Manual SEL-421 Relay
Analog Quantities
Quantities Listed Alphabetically
LI1FIM Positive-sequence instantaneous current magnitude (line) A
LI1M Positive-sequence 10-cycle average current magnitude (line) A
a
LIAFA, LIBFA, LICFA Phase 10-cycle average fundamental current angle (line) degrees
LIAFIA, LIBFIA, LICFIA Phase filtered instantaneous current angle (line) degrees
LIAFIM, LIBFIM, LICFIM Phase filtered instantaneous current magnitude (line) A
LIAFM, LIBFM, LICFM Phase 10-cycle average fundamental current magnitude (line) A
LIARMS, LIBRMS, LICRMS Phase 10-cycle average rms current (line) A
a
LIGA Zero-sequence 10-cycle average current angle (line) degrees
LIGFIA Zero-sequence instantaneous current angle (line) degrees
LIGFIM Zero-sequence instantaneous current magnitude (line) A
LIGM Zero-sequence 10-cycle average current magnitude (line) A
a
MB1A–MB7A MIRRORED BITS
®
communications A Channel received analog values NA
MB1B–MB7B M
IRRORED BITS communications B Channel received analog values NA
MWHAIN, MWHBIN, MWHCIN Phase negative (import) energy MWh
a
MWHAOUT, MWHBOUT, MWHCOUT Phase positive (export) energy MWh
a
MWHAT, MWHBT, MWHCT Phase total energy MWh
a
NVS1M Normalized synchronizing voltage 1 V
NVS2M Normalized synchronizing voltage 2 V
PA, PB, PC Phase real power MW
a
PA_f, PB_f, PC_f Phase fundamental real power MW
a
PAD, PBD, PCD Phase demand real power MW
a
PAPKD, PBPKD, PCPKD Phase peak demand real power MW
a
PCN01CV–PCN32CV Protection counter current value NA
PCN01PV–PCN32PV Protection counter preset value NA
PCT01DO–PCT32DO Protection conditioning timer dropout time cycles
PCT01PU–PCT32PU Protection conditioning timer pickup time cycles
PFA, PFB, PFC Phase power factor NA
PMV01–PMV64 Protection SEL
OGIC control equation math variable NA
PST01ET–PST32ET Protection sequencing timer elapsed time cycles
PST01PT–PST32PT Protection sequencing timer preset time cycles
PTRY PTRY setting from active group, divided by 1000 NA
PTRZ PTRZ setting from active group, divided by 1000 NA
QA_f, QB_f, QC_f Phase fundamental reactive power MVAr
a
QAD, QBD, QCD Phase demand reactive power MVAr
a
QAPKD, QBPKD, QCPKD Phase peak demand reactive power MVAr
a
RA001–RA256 Remote analogs from Ethernet card. NA
RTCA01–RTCA08 RTC Remote Analog Values, Channel A
RTCAP01–RTCAP32 RTC Remote Phasor Values, Channel A
RTCB01–RTCB08 RTC Remote Analog Values, Channel B
RTCBP01–RTCBP32 RTC Remote Phasor Values, Channel B
RTCDFA RTC Remote Frequency Rate of Change, Channel A HZ/s
Table B.1 Analog Quantities Sorted Alphabetically (Sheet 5 of 7)
Label Description Units