VAMP 257 - Page 24

VAMP 257 Feeder and motor manager
Operation and configuration
VAMP Ltd
24
VAMP 24h support phone +358 (0)20 753 3264 VM257.EN002
Value: Menu/Submenu: Description:
U2/U1
U/SYMMETRIC
VOLTAGES
Negative sequence voltage related to
positive sequence voltage [%]
THDU
U/HARM.
DISTORTION
Total harmonic distortion of the mean
value of voltages [%]
THDUa
U/HARM.
DISTORTION
Total harmonic distortion of the
voltage input a [%]
THDUb
U/HARM.
DISTORTION
Total harmonic distortion of the
voltage input b [%]
THDUc
U/HARM.
DISTORTION
Total harmonic distortion of the
voltage input c [%]
Diagram
(see
Figure
4.2-1)
U/HARMONICS of Ua Harmonics of voltage input Ua [%]
Diagram
(see
Figure
4.2-1)
U/HARMONICS of Ub Harmonics of voltage input Ub [%]
Diagram
(see
Figure
4.2-1)
U/HARMONICS of Uc Harmonics of voltage input Uc [%]
Count
U/VOLT.
INTERRUPTS
Voltage interrupts counter [ ]
Prev
U/VOLT.
INTERRUPTS
Previous interruption [ ]
Total
U/VOLT.
INTERRUPTS
Total duration of voltage interruptions
[days, hours]
Prev
U/VOLT.
INTERRUPTS
Duration of previous interruption [s]
Status
U/VOLT.
INTERRUPTS
Voltage status [LOW; NORMAL]
*) The length of the window can be selected
Figure 4.2-1. Example of harmonics bar display