hager h3+ - Measurement Function

416LE005550A
Function of the Energy trip unit
3.3 Measurement function
The Energy trip unit is used to measure the following types of variables:
Embedded
display
Panel
display
Modbus
HTP610H
tool
Measurements in real-time
Currents
Phase and neutral I1, I2, I3; IN X X X X
Arithmetic mean Iavg = (I1 + I2 + I3)/3 – X X X
Instantaneous maximum Imax of I1, I2, I3, IN – X X X
Instantaneous minimum Imin of I1, I2, I3 – X X X
Ground fault IG X X X X
Unbalance per phase
I1 Unba, I2 Unba, I3 Unba;
IN Unba
– – X X
Maximum instantaneous
unbalance
Max Unba I – X X X
Voltages
phase-phase U12, U23, U31 X X X X
phase-neutral V1N, V2N, V3N X X X X
Ph-Ph arithmetic mean Uavg = (U12 + U21 + U23) / 3 – X X X
Ph-N arithmetic mean Vavg = (V1N + V2N + V3N) / 3 – X X X
Instantaneous maximum Voltages Ph-Ph and Ph-N – X X X
Instantaneous minimum Voltages Ph-Ph and Ph-N – – X X
Unbalance % Uavg and % Vavg – X X X
Maximum unbalance Max Unba U, Max Unba V – X X X
Phase sequence 1-2-3, 1-3-2 X X X X
Power
Active P total per phase X X X X
Reactive Q total per phase X X X X
Apparent S total per phase X X X X
Maximum and minimum values since last reset
Max. current, voltage per phase
and power per phase
X X X X
Max. averages over interval
and IG
– X X X
Max. unbalanced currents,
power factors, THD
– – X X
Minimum corresponding
variables
– – X X
Energy
Active (kWh), reactive (kvarh),
apparent (kVAh)
EaIn, ErIn, received,
delivered, Es
X
(only EaIn
and ErIn)
X X X
Active (kWh), reactive (kvarh)
absolute partial
Ea Abs, Er Abs – – X X
Active (kWh), reactive (kvarh)
signed partial
Ea, Er – – X X
Total active (kWh),
EaIn received, EaOut
delivered
– – X X
3.3.1
Overview of measurements