6.2.3 Simulating a Channel Failure 625
7 Intermicom 64 Communication 626
7.1 Checking the Interface 626
7.2 Setting up the Loopback 627
7.3 Loopback Test 627
8 Setting Checks 628
8.1 Apply Application-specific Settings 628
8.1.1 Transferring Settings from a Settings File 628
8.1.2 Entering settings using the HMI 628
9 IEC 61850 Edition 2 Testing 630
9.1 Using IEC 61850 Edition 2 Test Modes 630
9.1.1 IED Test Mode Behaviour 630
9.1.2 Sampled Value Test Mode Behaviour 630
9.2 Simulated Input Behaviour 631
9.3 Testing Examples 631
9.3.1 Test Procedure for Real Values 632
9.3.2 Test Procedure for Simulated Values - No Plant 632
9.3.3 Test Procedure for Simulated Values - With Plant 633
9.3.4 Contact Test 634
10 Distance Protection 635
10.1 Single-ended Testing 635
10.1.1 Preliminaries 635
10.1.2 Zone 1 Reach Check 635
10.1.3 Zone 2 Reach Check 636
10.1.4 Zone 3 Reach Check 636
10.1.5 Zone 4 Reach Check 636
10.1.6 Zone P Reach Check 636
10.1.7 Resistive Reach 637
10.1.8 Load Blinder 637
10.2 Operation and Contact Assignment 637
10.2.1 Phase A 637
10.2.2 Phase B 637
10.2.3 Phase C 637
10.2.4 Time Delay Settings 638
10.3 Scheme Testing 638
10.3.1 Scheme Trip Test for Zone 1 Extension 639
10.3.2 Scheme Trip Tests for Permissive Schemes 639
10.3.3 Scheme Trip Tests for Blocking Scheme 639
10.3.4 Signal Send Test for Permissive Schemes 640
10.3.5 Signal Send Test for Blocking Scheme 640
10.3.6 Scheme Timer Settings 640
11 Delta Directional Comparison 641
11.1 Single-ended Testing 641
11.1.1 Preliminaries 641
11.1.2 Single-ended Injection Test 641
11.1.3 Forward Fault Preparation 641
11.2 Operation and Contact Assignment 642
11.2.1 Phase A 642
11.2.2 Phase B 642
11.2.3 Phase C 642
11.3 Delta Protection Scheme Testing 643
11.3.1 Signal Send Test for Permissive Schemes 643
11.3.2 Signal Send Test for Blocking Schemes 643
12 DEF Aided Schemes 644
12.1 Earth Current Pilot Scheme 644
12.1.1 Preliminaries 644
12.1.2 Perform the Test 644
12.1.3 Forward Fault Trip Test 645
P446SV Contents
P446SV-TM-EN-1 xvii
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