ABB Relion 670 Series Commissioning Manual page 9

10.7 Testing the protection functionality........................................................................................... 89
10.8 Forcing of binary input/output signals for testing..................................................................89
10.8.1 Forcing concept...........................................................................................................................89
10.8.2 How to enable forcing................................................................................................................90
10.8.2.1 Enable forcing by using LHMI................................................................................................90
10.8.2.2 Enable forcing using TESTMODE function block.............................................................. 90
10.8.3 How to change binary input/output signals using forcing................................................90
10.8.3.1 Forcing by using LHMI............................................................................................................ 90
10.8.3.2 Forcing by using PCM600.......................................................................................................92
10.8.4 How to undo forcing changes and return the IED to normal operation.......................... 93
10.8.4.1 Undo forcing by using TESTMODE component.................................................................94
10.8.4.2 Undo forcing by using LHMI.................................................................................................. 94
10.8.4.3 Undo forcing by using PCM600............................................................................................ 94
Section 11 Testing functionality by secondary injection............................................... 95
11.1 Testing disturbance report............................................................................................................95
11.1.1 Introduction..................................................................................................................................95
11.1.2 Disturbance report settings......................................................................................................95
11.1.3 Disturbance recorder (DR).........................................................................................................95
11.1.4 Event recorder (ER) and Event list (EL)................................................................................... 96
11.2 Identifying the function to test in the technical reference manual ......................................96
11.3 Differential protection....................................................................................................................96
11.3.1 Transformer differential protection T2WPDIF and T3WPDIF............................................. 96
11.3.1.1 Verifying the settings..............................................................................................................96
11.3.1.2 Completing the test.................................................................................................................97
11.3.2 High impedance differential protection HZPDIF ................................................................. 97
11.3.2.1 Verifying the settings.............................................................................................................. 97
11.3.2.2 Completing the test................................................................................................................ 98
11.3.3 Restricted earth fault protection, low impedance REFPDIF ..............................................98
11.3.3.1 Verifying the settings..............................................................................................................98
11.3.3.2 Completing the test................................................................................................................ 99
11.3.4 Additional security logic for differential protection LDRGFC ........................................... 99
11.3.4.1 Verifying the settings..............................................................................................................99
11.3.4.2 Completing the test.............................................................................................................. 100
11.3.5 Self-adaptive differential protection for two-winding power transformers
PSTPDIF....................................................................................................................................... 100
11.3.5.1 Preparing the function for testing..................................................................................... 100
11.3.5.2 Verifying the zero-sequence current reduction from the winding one side.............. 102
11.3.5.3 Verifying the three-phase pickup from winding one side..............................................102
11.3.5.4 Verifying the single-phase pickup from winding one side............................................ 103
11.3.5.5 Verifying the zero-sequence current reduction from winding two side.....................103
11.3.5.6 Verifying the three-phase pickup from winding two side............................................. 104
11.3.5.7 Verifying the single-phase pickup from winding two side............................................104
11.3.5.8 Verifying the operate characteristic.................................................................................. 105
11.3.5.9 Completing the test.............................................................................................................. 106
11.4 Impedance protection.................................................................................................................. 106
11.4.1 Distance protection zones, quadrilateral characteristic ZMQPDIS................................ 106
Transformer protection RET670
Commissioning manual
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