Reference: A938
Index: B
Page 92
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Instruction Manual – NPS914 Alarm and Indication IED
Table. 7.3. - 18. Available measured values.
Signals
Description
Currents
IL1 (ff), IL2 (ff), IL3 (ff), I01 (ff), I02 (ff)
Fundamental frequency current measurement values of phase currents and residual
currents.
IL1 (TRMS), IL2 (TRMS), IL3 (TRMS),
I01 (TRMS), I02 (TRMS)
TRMS current measurement values of phase currents and residual currents.
IL1, IL2, IL3, I01, I02 & 2
nd
h., 3
rd
h.,
4
th
h., 5
th
h., 7
th
h., 9
th
h., 11
th
h., 13
th
h., 15
th
h., 17
th
h., 19
th
h.
Magnitudes of the phase current components: 2
nd
harmonic, 3
rd
harmonic, 4
th
harmonic, 5
th
harmonic 7
th
, harmonic 9
th
, harmonic 11
th
, harmonic 13
th
, harmonic
15
th
, harmonic 17
th
, harmonic 19
th
harmonic current.
I1, I2, I0Z
Positive sequence current, negative sequence current and zero sequence current.
I0CalcMag
Residual current calculated from phase currents.
IL1Ang, IL2Ang, IL3Ang,
I01Ang, I02Ang, I0CalcAng
I1Ang, I2Ang
Angles of each measured current.
Voltages
UL1Mag, UL2Mag, UL3Mag,
UL12Mag, UL23Mag, UL31Mag,
U0Mag, U0CalcMag
Magnitudes of phase voltages, phase-to-phase voltages and residual voltages.
U1 Pos.seq V mag, U2 Neg.seq V mag Positive and negative sequence voltages.
UL1Ang, UL2Ang, UL3Ang,
UL12Ang, UL23Ang, UL31Ang,
U0Ang, U0CalcAng
Angles of phase voltages, phase-to-phase voltages and residual voltages.
U1 Pos.seq V Ang, U2 Neg.seq V Ang Positive and negative sequence angles.
Powers
S3PH
P3PH
Q3PH
Three-phase apparent, active and reactive power.
SL1, SL2, SL3,
PL1, PL2, PL3,
QL1, QL2, QL3
Phase apparent, active and reactive powers.
tanfi3PH
tanfiL1
tanfiL2
tanfiL3
Tan (φ) of three-phase powers and phase powers.
cosfi3PH
cosfiL1
cosfiL2
cosfiL3
Cos (φ) of three-phase powers and phase powers.
Impedances and admittances
RL12, RL23, RL31
XL12, XL23, XL31
RL1, RL2, RL3
XL1, XL2, XL3
Z12, Z23, Z31
ZL1, ZL2, ZL3
Phase-to-phase and phase-to-neutral resistances, reactances and impedances.
