Hitachi Relion 670 Series Commissioning Manual page 9

1MRK 511 403-UEN Rev. L
10.7 Testing the protection functionality...................................................................................... 78
10.8 Forcing of binary input/output signals for testing.................................................................78
10.8.1 Forcing concept.................................................................................................................78
10.8.2 How to enable forcing........................................................................................................79
10.8.2.1
10.8.2.2
10.8.3 How to change binary input/output signals using forcing.................................................. 79
10.8.3.1
10.8.3.2
10.8.4 How to undo forcing changes and return the IED to normal operation............................. 82
10.8.4.1
10.8.4.2
10.8.4.3
Section 11 Testing functionality by secondary injection............................................85
11.1 Testing disturbance report................................................................................................... 85
11.1.1 Introduction........................................................................................................................85
11.1.2 Disturbance report settings............................................................................................... 85
11.1.3 Disturbance recorder (DR)................................................................................................ 85
11.1.4 Event recorder (ER) and Event list (EL)............................................................................ 86
11.2 Identifying the function to test in the technical reference manual .......................................86
11.3 Differential protection.......................................................................................................... 86
11.3.1 High impedance differential protection HZPDIF ............................................................... 86
11.3.1.1
11.3.1.2
11.4 Current protection................................................................................................................87
11.4.1 Instantaneous phase overcurrent protection 3-phase output PHPIOC ............................ 87
11.4.1.1
11.4.1.2
11.4.2 Directional phase overcurrent protection, four steps OC4PTOC ..................................... 88
11.4.2.1
11.4.2.2
11.4.2.3
11.4.3 Instantaneous residual overcurrent protection EFPIOC ...................................................89
11.4.3.1
11.4.3.2
11.4.4 Four step residual overcurrent protection, (Zero sequence or negative sequence
directionality) EF4PTOC ...................................................................................................90
11.4.4.1
11.4.4.2
11.4.4.3
11.4.4.4
11.4.5 Four step negative sequence overcurrent protection NS4PTOC ..................................... 91
11.4.5.1
11.4.5.2
11.4.6 Sensitive directional residual overcurrent and power protection SDEPSDE ....................93
11.4.6.1
Bay control REC670
Commissioning manual
Enable forcing by using LHMI...................................................................................... 79
Enable forcing using TESTMODE function block.........................................................79
Forcing by using LHMI................................................................................................. 79
Forcing by using PCM600............................................................................................81
Undo forcing by using TESTMODE component...........................................................83
Undo forcing by using LHMI.........................................................................................83
Undo forcing by using PCM600................................................................................... 83
Verifying the settings.................................................................................................... 86
Completing the test...................................................................................................... 87
Measuring the operate limit of set values.....................................................................87
Completing the test...................................................................................................... 88
Function revision history.............................................................................................. 88
Verifying the settings.................................................................................................... 88
Completing the test...................................................................................................... 89
Measuring the operate limit of set values.....................................................................90
Completing the test...................................................................................................... 90
Function revision history.............................................................................................. 90
Four step directional earth fault protection ..................................................................91
Four step non-directional earth fault protection ...........................................................91
Completing the test...................................................................................................... 91
Function revision history.............................................................................................. 92
Completing the test...................................................................................................... 92
Measuring the operate and time limit for set values.....................................................93
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