VAMP 257 - Page 23

VAMP Ltd Feeder and motor manager
Operation and configuration
VAMP 257
VM257.EN002 VAMP 24h support phone +358 (0)20 753 3264
23
Value Menu/Submenu Description
IL2da I/PHASE CURRENTS 15 min average for IL2 [A]
IL3da I/PHASE CURRENTS 15 min average for IL3 [A]
Io
I/SYMMETRIC
CURRENTS
Primary value of zero sequence/
residual current Io [A]
Io2
I/SYMMETRIC
CURRENTS
Primary value of zero-
sequence/residual current Io2 [A]
IoC
I/SYMMETRIC
CURRENTS
Calculated Io [A]
I1
I/SYMMETRIC
CURRENTS
Positive sequence current [A]
I2
I/SYMMETRIC
CURRENTS
Negative sequence current [A]
I2/I1
I/SYMMETRIC
CURRENTS
Negative sequence current related to
positive sequence current (for
unbalance protection) [%]
THDIL
I/HARM.
DISTORTION
Total harmonic distortion of the mean
value of phase currents [%]
THDIL1
I/HARM.
DISTORTION
Total harmonic distortion of phase
current IL1 [%]
THDIL2
I/HARM.
DISTORTION
Total harmonic distortion of phase
current IL2 [%]
THDIL3
I/HARM.
DISTORTION
Total harmonic distortion of phase
current IL3 [%]
Diagram
(see
Figure
4.2-1)
I/HARMONICS of IL1 Harmonics of phase current IL1 [%]
Diagram
(see
Figure
4.2-1)
I/HARMONICS of IL2 Harmonics of phase current IL2 [%]
Diagram
(see
Figure
4.2-1)
I/HARMONICS of IL3 Harmonics of phase current IL3 [%]
Uline U/LINE VOLTAGES
Average value for the three line
voltages [V]
U12 U/LINE VOLTAGES Phase-to-phase voltage U12 [V]
U23 U/LINE VOLTAGES Phase-to-phase voltage U23 [V]
U31 U/LINE VOLTAGES Phase-to-phase voltage U31 [V]
UL U(PHASE VOLTAGES
Average for the three phase voltages
[V]
UL1 U/PHASE VOLTAGES Phase-to-earth voltage UL1 [V]
UL2 U/PHASE VOLTAGES Phase-to-earth voltage UL2 [V]
UL3 U/PHASE VOLTAGES Phase-to-earth voltage UL3 [V]
Uo
U/SYMMETRIC
VOLTAGES
Residual voltage Uo [%]
U1
U/SYMMETRIC
VOLTAGES
Positive sequence voltage [%]
U2
U/SYMMETRIC
VOLTAGES
Negative sequence voltage [%]