ABB REC650 Technical Manual page 12

Table of contents
6
Time delay............................................................................160
Blocking................................................................................161
Design.................................................................................. 161
Technical data........................................................................... 162
Two step overvoltage protection OV2PTOV ..................................163
Identification.............................................................................. 163
Functionality.............................................................................. 163
Function block........................................................................... 164
Signals.......................................................................................164
Settings......................................................................................165
Monitored data...........................................................................165
Operation principle.................................................................... 166
Measurement principle......................................................... 166
Time delay............................................................................167
Blocking................................................................................168
Design.................................................................................. 168
Technical data........................................................................... 170
Two step residual overvoltage protection ROV2PTOV ................. 170
Identification.............................................................................. 170
Functionality.............................................................................. 170
Function block........................................................................... 171
Signals.......................................................................................171
Settings......................................................................................171
Monitored data...........................................................................172
Operation principle.................................................................... 172
Measurement principle......................................................... 173
Time delay............................................................................173
Blocking................................................................................173
Design.................................................................................. 173
Technical data........................................................................... 175
Loss of voltage check LOVPTUV .................................................. 175
Identification.............................................................................. 175
Functionality.............................................................................. 175
Function block........................................................................... 176
Signals.......................................................................................176
Settings......................................................................................176
Operation principle.................................................................... 177
Technical data........................................................................... 178
Section 8 Frequency protection....................................................179
Underfrequency protection SAPTUF ............................................. 179
Identification.............................................................................. 179
Functionality.............................................................................. 179
Function block........................................................................... 179
Technical manual