ABB RET670 Commissioning Manual page 9

Transformer protection RET670 2.2 ANSI
Commissioning manual
Verifying the IEEE C37.118/1344 TCP communication.................... 79
Verifying the IEEE C37.118/1344 UDP communication.................... 85
Optical budget calculation for PMU - PDC communication.................... 86
Section 10 Testing IED operation..........................................................89
Preparing for test.................................................................................... 89
Requirements.................................................................................... 89
Preparing the IED to verify settings................................................... 90
Activating the test mode......................................................................... 91
Preparing the connection to the test equipment..................................... 92
Connecting the test equipment to the IED.............................................. 93
Releasing the function to be tested........................................................ 94
Verifying analog primary and secondary measurement......................... 94
Testing the protection functionality......................................................... 96
Forcing of binary input/output signals for testing.................................... 97
Forcing concept................................................................................. 97
How to enable forcing........................................................................97
Enable forcing by using LHMI.......................................................97
Enable forcing using TESTMODE function block......................... 98
How to change binary input/output signals using forcing.................. 98
Forcing by using LHMI..................................................................98
Forcing by using PCM600.......................................................... 100
How to undo forcing changes and return the IED to normal
operation..........................................................................................102
Undo forcing by using TESTMODE component......................... 102
Undo forcing by using LHMI....................................................... 102
Undo forcing by using PCM600..................................................103
Section 11 Testing functionality by secondary injection...................... 105
Testing disturbance report.................................................................... 105
Introduction......................................................................................105
Disturbance report settings..............................................................105
Disturbance recorder (DR)...............................................................105
Event recorder (ER) and Event list (EL).......................................... 106
Identifying the function to test in the technical reference manual ........ 107
Differential protection............................................................................107
Transformer differential protection T2WPDIF andT3WPDIF(87T).. 107
Verifying the settings.................................................................. 107
Completing the test.....................................................................108
High impedance differential protection HZPDIF (87)....................... 108
Verifying the settings.................................................................. 109
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