80 6LE008146B
Measurement functions
6.1 Overview of measurements
Measurements in real-time
sentinel
Energy
display
Panel
display
Hager
Power
touch
Power factor and cos (fun-
damental)
Total
■ ■ ■
Power factor and cos (fun-
damental)
Per phase
■ ■ ■
Total harmonic distorsion
Voltage THD
(1)
THDU (Ph -Ph), THDV
(Ph -N)
■ ■ ■
Current THD
(1)
THDI per phase
■ ■ ■
THD IN Neutral THDI
■ ■ ■
(1) The availability of these measurements depends on the type of rating plug installed.
N.B.
All the calculated values and measurements of the sentinel Energy trip unit are accessible
through Modbus communication.
These values are updated every second according to their nature, for example minimums,
maximums or the indices of energy meters when the last value is changed.