ABB RELION REX640 - 10.2.8 Settings; 10.2.9 Monitored data

10.2.8 Settings
Table 1627: VHMHAI Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on
Operation Off / On
Sliding interval
1=3 seconds
2=1 minute
3=5 minutes
1=3 seconds
Time interval for
demand calculation
10.2.9 Monitored data
Table 1628: VHMHAI Monitored data
Name Type Values (Range) Unit Description
LMNTHD_A FLOAT32 0.00...500.00 % Mean THD for phase A
in 10 min non-sliding
mean in %
LMNTHD_B FLOAT32 0.00...500.00 % Mean THD for phase B
in 10 min non-sliding
mean in %
LMNTHD_C FLOAT32 0.00...500.00 % Mean THD for phase C
in 10 min non-sliding
mean in %
LMNDC_A FLOAT32 0.00...500.00 % Longer mean value
of DC component for
Phase A in %
LMNDC_B FLOAT32 0.00...500.00 % Longer mean value
of DC component for
Phase B in %
LMNDC_C FLOAT32 0.00...500.00 % Longer mean value
of DC component for
Phase C in %
LMNH01_A FLOAT32 0.00...500.00 % Longer mean value of
basic freq. for Phase A
in %
LMNH01_B FLOAT32 0.00...500.00 % Longer mean value of
basic freq. for Phase B
in %
LMNH01_C FLOAT32 0.00...500.00 % Longer mean value of
basic freq. for Phase C
in %
LMNH02_A FLOAT32 0.00...500.00 % Longer mean value of
2nd harmonic for Phase
A in %
LMNH02_B FLOAT32 0.00...500.00 % Longer mean value of
2nd harmonic for Phase
B in %
LMNH02_C FLOAT32 0.00...500.00 % Longer mean value of
2nd harmonic for Phase
C in %
LMNH03_A FLOAT32 0.00...500.00 % Longer mean value of
3rd harmonic for Phase
A in %
LMNH03_B FLOAT32 0.00...500.00 % Longer mean value of
3rd harmonic for Phase
B in %
Table continues on the next page
1MRS759142 F Power quality measurement functions
REX640
Technical Manual
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