Uploading DFR records................................................................ 68
Triggering DFR recorder manually............................................... 69
Deleting DFR records................................................................... 70
Selecting phasor diagrams................................................................ 71
Selecting fault records....................................................................... 74
Using Web HMI help..........................................................................75
Section 5 Protection relay operation................................................... 77
Normal operation.................................................................................... 77
Disturbance identification........................................................................77
DFR recording triggering................................................................... 78
DFR record analysis.......................................................................... 78
DFR reports....................................................................................... 78
Relay self-supervision....................................................................... 79
Relay parametrization.............................................................................79
Settings for relay functionality............................................................79
Settings for different operating conditions......................................... 80
Section 6 Operating procedures..........................................................81
Monitoring............................................................................................... 81
Indications......................................................................................... 81
Monitoring indication messages................................................... 81
Monitoring an internal relay fault ................................................. 82
Monitoring condition monitoring data............................................82
Measured and calculated values....................................................... 82
Measured values.......................................................................... 82
Using the local HMI for monitoring............................................... 85
Recorded data................................................................................... 85
Creating digital fault records.........................................................85
Monitoring DFR data.................................................................... 86
Controlling and uploading of DFR recorder data.......................... 87
Monitoring fault records................................................................ 87
Monitoring events......................................................................... 88
Monitoring and uploading load profile record............................... 89
Remote monitoring............................................................................ 89
Monitoring protection relays remotely...........................................89
Controlling...............................................................................................89
Controlling with single-line diagram...................................................89
Controlling circuit breaker, disconnectors and earthing switch.....89
Controlling SLD buttons................................................................90
Controlling via the control menu........................................................ 91
Table of contents
620 series ANSI 3
Operation Manual