ABB RET650 Technical Manual page 13

Technical manual
Signals.......................................................................................198
Settings......................................................................................199
Monitored data...........................................................................200
Operation principle.................................................................... 200
Technical data........................................................................... 201
Section 9 Voltage protection........................................................ 203
Two step undervoltage protection UV2PTUV ................................203
Identification.............................................................................. 203
Functionality.............................................................................. 203
Function block........................................................................... 203
Signals.......................................................................................204
Settings......................................................................................204
Monitored data...........................................................................205
Operation principle.................................................................... 205
Measurement principle......................................................... 206
Time delay............................................................................206
Blocking................................................................................207
Design.................................................................................. 207
Technical data........................................................................... 208
Two step overvoltage protection OV2PTOV ..................................209
Identification.............................................................................. 209
Functionality.............................................................................. 209
Function block........................................................................... 210
Signals.......................................................................................210
Settings......................................................................................211
Monitored data...........................................................................211
Operation principle.................................................................... 212
Measurement principle......................................................... 212
Time delay............................................................................213
Blocking................................................................................214
Design.................................................................................. 214
Technical data........................................................................... 216
Two step residual overvoltage protection ROV2PTOV ................. 216
Identification.............................................................................. 216
Functionality.............................................................................. 216
Function block........................................................................... 217
Signals.......................................................................................217
Settings......................................................................................217
Monitored data...........................................................................218
Operation principle.................................................................... 218
Measurement principle......................................................... 219
Time delay............................................................................219
Blocking................................................................................219
Table of contents
7