ABB REL 551 2.3 Series Installation And Comissioning Manual page 5

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Overview............................................................................................ 70
Preparing for test ............................................................................... 72
Overview....................................................................................... 72
Preparing the connection to the test equipment ........................... 72
Setting the terminal in test mode .................................................. 73
Connecting test equipment to the terminal ................................... 73
Verifying the connection and the analog inputs ............................ 74
Releasing the function(s) to be tested .......................................... 75
Checking the disturbance report settings ..................................... 76
Automatic reclosing function (AR) ..................................................... 77
Preparing ...................................................................................... 78
Checking the AR functionality....................................................... 79
Checking the reclosing condition .................................................. 80
Testing the multi-breaker arrangement......................................... 81
Completing the test....................................................................... 81
Completing the test....................................................................... 81
Breaker failure protection (BFP) ........................................................ 82
Verifying the settings .................................................................... 82
Verifying the retrip setting ............................................................. 82
Completing the test....................................................................... 83
Broken conductor check (BRC) ......................................................... 84
Measuring the operate and time limit of set values ...................... 84
Communication channel test logic (CCHT)........................................ 86
Testing the logic ........................................................................... 86
Current circuit supervision (CTSU) .................................................... 87
Definite and inverse time-delayed residual
overcurrent protection (TEF) ............................................................. 88
Checking the operate values of the
current measuring elements
Disturbance recorder (DRP) .............................................................. 92
Event counter (CN) ............................................................................ 93
Event function (EV)............................................................................ 94
Event recorder ................................................................................... 95
Instantaneous overcurrent protection (IOC) ...................................... 96
Measuring the operate limit of set values ..................................... 96
Completing the test....................................................................... 97
Line differential protection (DIFL) ...................................................... 98
Testing the line differential protection ......................................... 100
Testing the charging current compensation................................ 102
Completing the test..................................................................... 104
Monitoring of AC analogue measurements ..................................... 105
Verifying the settings .................................................................. 105
Completing the test..................................................................... 106
Monitoring of DC analogue measurements ..................................... 107
Verifying the settings .................................................................. 107
Completing the test..................................................................... 108
Multiple command (CM)................................................................... 109
Overload supervision (OVLD).......................................................... 110
Measuring the operate and time limit of set values .................... 110
Pole discordance protection (PD) .................................................... 112
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................................................. 88