ABB Relion 620 Series - Monitored Data

Table 1038: VMHAI Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Demand interval
0=1 minute
1=5 minutes
2=10 minutes
3=15 minutes
4=30 minutes
5=60 minutes
6=180 minutes
2=10 minutes Time interval for
demand calculation
Demand window
1=Sliding
2=Non-sliding
1=Sliding Demand calculation
window type
THD alarm limit 1.0...100.0 % 0.1 50.0 THD alarm limit
10.2.8 Monitored data
Table 1039: VMHAI Monitored data
Name Type Values (Range) Unit Description
Max demand
THD UL1
FLOAT32 0.00...500.00 % Maximum de-
mand THD for
phase A
Max demand
THD UL2
FLOAT32 0.00...500.00 % Maximum de-
mand THD for
phase B
Max demand
THD UL3
FLOAT32 0.00...500.00 % Maximum de-
mand THD for
phase C
Time max dmd
THD UL1
Timestamp Time of maxi-
mum demand
THD phase A
Time max dmd
THD UL2
Timestamp Time of maxi-
mum demand
THD phase B
Time max dmd
THD UL3
Timestamp Time of maxi-
mum demand
THD phase C
3SMHTHD_A FLOAT32 0.00...500.00 % 3 second mean
value of THD for
phase A
DMD_THD_A FLOAT32 0.00...500.00 % Demand value
for THD for
phase A
Table continues on the next page
Power quality measurement functions 1MRS757644 H
1088 620 series
Technical Manual