ABB Relion 620 Series - Page 18

9.4.3 Functionality.......................................................................................................................1012
9.4.4 Operation principle...........................................................................................................1014
9.4.5 Counters..............................................................................................................................1027
9.4.6 Application......................................................................................................................... 1028
9.4.7 Signals.................................................................................................................................1039
9.4.8 Settings.............................................................................................................................. 1040
9.4.9 Monitored data................................................................................................................. 1043
9.4.10 Technical data .................................................................................................................. 1044
9.4.11 Technical revision history............................................................................................... 1044
9.5 Tap changer control with voltage regulator OLATCC............................................................... 1045
9.5.1 Identification..................................................................................................................... 1045
9.5.2 Function block................................................................................................................... 1045
9.5.3 Functionality......................................................................................................................1045
9.5.4 Operation principle.......................................................................................................... 1046
9.5.5 Application......................................................................................................................... 1067
9.5.6 Signals................................................................................................................................. 1073
9.5.7 Settings...............................................................................................................................1075
9.5.8 Monitored data..................................................................................................................1077
9.5.9 Technical data .................................................................................................................. 1080
9.5.10 Technical revision history................................................................................................1081
10 Power quality measurement functions............................................ 1082
10.1 Current total demand distortion CMHAI......................................................................................1082
10.1.1 Identification..................................................................................................................... 1082
10.1.2 Function block................................................................................................................... 1082
10.1.3 Functionality...................................................................................................................... 1082
10.1.4 Operation principle...........................................................................................................1082
10.1.5 Application......................................................................................................................... 1083
10.1.6 Signals.................................................................................................................................1084
10.1.7 Settings.............................................................................................................................. 1084
10.1.8 Monitored data................................................................................................................. 1085
10.2 Voltage total harmonic distortion VMHAI................................................................................... 1085
10.2.1 Identification..................................................................................................................... 1085
10.2.2 Function block...................................................................................................................1086
10.2.3 Functionality......................................................................................................................1086
10.2.4 Operation principle.......................................................................................................... 1086
10.2.5 Application......................................................................................................................... 1087
10.2.6 Signals.................................................................................................................................1087
10.2.7 Settings...............................................................................................................................1087
10.2.8 Monitored data................................................................................................................. 1088
10.2.9 Technical revision history............................................................................................... 1089
10.3 Voltage variation PHQVVR.............................................................................................................. 1089
10.3.1 Identification..................................................................................................................... 1089
10.3.2 Function block...................................................................................................................1089
Contents
18 620 series
Technical Manual