ABB REG650 Technical Manual page 14

Table of contents
8
Monitored data...........................................................................246
Operation principle.................................................................... 246
Start sensitivity..................................................................... 248
Alarm function...................................................................... 248
Logic diagram.......................................................................248
Technical data........................................................................... 249
Voltage-restrained time overcurrent protection VRPVOC.............. 249
Identification.............................................................................. 249
Functionality.............................................................................. 249
Function block........................................................................... 250
Signals.......................................................................................250
Settings......................................................................................251
Monitored data...........................................................................252
Operation principle.................................................................... 252
Measured quantities............................................................. 252
Base quantities.....................................................................252
Overcurrent protection..........................................................252
Logic diagram.......................................................................254
Undervoltage protection....................................................... 254
Technical data........................................................................... 255
Section 9 Voltage protection........................................................ 257
Two step undervoltage protection UV2PTUV ................................257
Identification.............................................................................. 257
Functionality.............................................................................. 257
Function block........................................................................... 257
Signals.......................................................................................258
Settings......................................................................................258
Monitored data...........................................................................259
Operation principle.................................................................... 259
Measurement principle......................................................... 260
Time delay............................................................................260
Blocking................................................................................261
Design.................................................................................. 261
Technical data........................................................................... 262
Two step overvoltage protection OV2PTOV ..................................263
Identification.............................................................................. 263
Functionality.............................................................................. 263
Function block........................................................................... 264
Signals.......................................................................................264
Settings......................................................................................265
Monitored data...........................................................................265
Operation principle.................................................................... 266
Measurement principle......................................................... 266
Technical manual