73
18
Over active power demand
Total active power demand is higher than alert value
19
Over reactive power demand
Total reactive power demand is higher than alert value
20
Over apparent power demand
Total apparent power demand is higher than alert value
21
Over-frequency
System frequency is higher than alert value
22
Low frequency
System frequency is lower than alert value
23
Over-voltage in total harmonic distortion
Total harmonic distortion for voltage is higher than alert
value
24
Over-current in total harmonic distortion
Total harmonic distortion for current is higher than alert
value
25
Phase loss
When the system is unbalanced, voltage is lower than
alert value.
26
Over-DUI
DUI value is higher than alert value
27
Over EUI
EUI value is higher than alert value
28
Meter reset
The power meter is resetting parameters.
29
Phase Sequence Reversal
Phase A and C for current are inversely connected