ABB REG316 4 Series - Overtemperature Protection

REG 316*4 1MRB520049-Uen / Rev. F ABB Switzerland Ltd
3-219
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
· Current
II. Binary inputs
· Blocking
III. Binary outputs
· Alarm
· Tripping
IV. Measurements
· Temperature rise
· Power dissipation
· Current.