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1MRK 505 378-UEN Rev. K
10.7
Testing the protection functionality...................................................................................... 84
10.8
Forcing of binary input/output signals for testing.................................................................84
10.8.1
Forcing concept.................................................................................................................84
10.8.2
How to enable forcing........................................................................................................85
10.8.2.1
10.8.2.2
10.8.3
How to change binary input/output signals using forcing.................................................. 85
10.8.3.1
10.8.3.2
10.8.4
How to undo forcing changes and return the IED to normal operation............................. 88
10.8.4.1
10.8.4.2
10.8.4.3
Section 11
Testing functionality by secondary injection............................................91
11.1
Testing disturbance report................................................................................................... 91
11.1.1
Introduction........................................................................................................................91
11.1.2
Disturbance report settings............................................................................................... 91
11.1.3
Disturbance recorder (DR)................................................................................................ 91
11.1.4
Event recorder (ER) and Event list (EL)............................................................................ 92
11.2
Identifying the function to test in the technical reference manual .......................................92
11.3
Differential protection.......................................................................................................... 92
11.3.1
High impedance differential protection HZPDIF ............................................................... 92
11.3.1.1
11.3.1.2
11.3.2
Restricted earth fault protection, low impedance REFPDIF ............................................. 93
11.3.2.1
11.3.2.2
11.3.2.3
11.3.3
Line differential protection L4CPDIF................................................................................. 94
11.3.3.1
11.3.3.2
11.3.3.3
11.3.4
Line differential protection L3CPDIF and L6CPDIF ..........................................................96
11.3.4.1
11.3.4.2
11.3.5
Additional security logic for differential protection LDRGFC ............................................ 97
11.3.5.1
11.3.5.2
11.4
Impedance protection..........................................................................................................99
11.4.1
Distance protection zones, quadrilateral characteristic ZMQPDIS ...................................99
11.4.1.1
11.4.1.2
11.4.1.3
11.4.2
Phase selection, quad, fixed angle, load encroachment FDPSPDIS ............................. 103
11.4.2.1
Line differential protection RED670
Commissioning manual
Enable forcing by using LHMI...................................................................................... 85
Enable forcing using TESTMODE function block.........................................................85
Forcing by using LHMI................................................................................................. 85
Forcing by using PCM600............................................................................................87
Undo forcing by using TESTMODE component...........................................................89
Undo forcing by using LHMI.........................................................................................89
Undo forcing by using PCM600................................................................................... 89
Verifying the settings.................................................................................................... 92
Completing the test...................................................................................................... 93
Function revision history.............................................................................................. 93
Verifying the settings.................................................................................................... 93
Completing the test...................................................................................................... 94
Function revision history.............................................................................................. 95
Verifying the settings.................................................................................................... 95
Completing the test...................................................................................................... 96
Verifying the settings.................................................................................................... 97
Completing the test...................................................................................................... 97
Verifying the settings.................................................................................................... 97
Completing the test...................................................................................................... 99
Measuring the operating limit of set values................................................................102
Measuring the operating time of distance protection zones.......................................102
Completing the test.................................................................................................... 103
Measuring the operating limit of set values................................................................105
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