Overtemperature Protection - ABB REG316 4 Series Operating Instructions Manual

REG 316*4 1MRB520049-Uen / Rev. F
3.5.23. Overtemperature protection (Overtemp.)
A. Application
Overtemperature protection with accurate thermal image of the
protected unit.
B. Features
1st. order thermal model
·
alarm and tripping stages
·
adjustable initial temperature
·
DC component filter
·
harmonic filter
·
single or three-phase current measurement
·
maximum value detection for three-phase measurement
·
temperature rise calculated 40 times for each thermal time
·
constant setting.
C. Inputs and outputs
I. C.t./v.t. inputs
·
II. Binary inputs
·
III. Binary outputs
·
·
IV. Measurements
·
·
·
Current
Blocking
Alarm
Tripping
Temperature rise
Power dissipation
Current.
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