hager h3+ - Page 45

456LE005550A
Function of the Energy trip unit
3.3 Measurement function
Variable monitored
Time stamp
Version
3 P
Version
4 P
Minimum since reset
- for each Ph-N voltage
X – X
- for each Ph-Ph voltage
X X X
- for each Ph-N voltage
unbalance
- for phase-to-neutral
unbalance maximums
– – X
- for each Ph-Ph voltage
unbalance
- for compound unbalance
maximums
- for average voltage
– X X
Frequency
Maximum for frequency
X X X
Minimum for frequency
X X X
Power
Maximum for total power - active
- reactive
- apparent
– X X
for power per phase - active
- reactive
- apparent
– – X
Minimum for total power - active
- reactive
- apparent
– X X
for power per phase - active
- reactive
- apparent
– – X
Maximum for total power factor and cos total
– X X
Minimum for total power factor and cos total
– X X
Current total harmonic distortion
Maximum for current THD - per phase
- maximum instantaneous
– X X
Minimum for current THD - per phase
- maximum instantaneous
– X X
Voltage total harmonic distortion
Maximum
for THD of Ph-N voltages
– – X
for THD of Ph-Ph voltages
– X X
Minimum for THD of Ph-N voltages
– – X
for THD of Ph-Ph voltages
– X X
Note
Some or all of these min/max values can be reinitialised using the reset control
depending on the interface used:
- Embedded display: Reset the maximum voltages, currents and powers and
reset the energy counters.