GE MiCOM P141 Agile - Page 17

4.2 Essential Commissioning Equipment 494
4.3 Advisory Test Equipment 495
5 Product Checks 496
5.1 Product Checks with the IED De-energised 496
5.1.1 Visual Inspection 497
5.1.2 Current Transformer Shorting Contacts 497
5.1.3 Insulation 497
5.1.4 External Wiring 497
5.1.5 Watchdog Contacts 498
5.1.6 Power Supply 498
5.2 Product Checks with the IED Energised 498
5.2.1 Watchdog Contacts 498
5.2.2 Test LCD 499
5.2.3 Date and Time 499
5.2.4 Test LEDs 500
5.2.5 Test Alarm and Out-of-Service LEDs 500
5.2.6 Test Trip LED 500
5.2.7 Test User-programmable LEDs 500
5.2.8 Test Opto-inputs 500
5.2.9 Test Output Relays 500
5.2.10 Test Serial Communication Port RP1 501
5.2.11 Test Serial Communication Port RP2 502
5.2.12 Test Ethernet Communication 502
5.3 Secondary Injection Tests 503
5.3.1 Test Current Inputs 503
5.3.2 Test Voltage Inputs 503
6 Setting Checks 505
6.1 Apply Application-specific Settings 505
6.1.1 Transferring Settings from a Settings File 505
6.1.2 Entering settings using the HMI 505
7 Protection Timing Checks 507
7.1 Overcurrent Check 507
7.2 Connecting the Test Circuit 507
7.3 Performing the Test 507
7.4 Check the Operating Time 507
8 Onload Checks 509
8.1 Confirm Current Connections 509
8.2 Confirm Voltage Connections 509
8.3 On-load Directional Test 510
9 Final Checks 511
Chapter 22 Maintenance and Troubleshooting 513
1 Chapter Overview 515
2 Maintenance 516
2.1 Maintenance Checks 516
2.1.1 Alarms 516
2.1.2 Opto-isolators 516
2.1.3 Output Relays 516
2.1.4 Measurement Accuracy 516
2.2 Replacing the Device 517
2.3 Repairing the Device 518
2.4 Removing the front panel 518
2.5 Replacing PCBs 519
2.5.1 Replacing the main processor board 519
2.5.2 Replacement of communications boards 520
2.5.3 Replacement of the input module 521
2.5.4 Replacement of the power supply board 521
P14x Contents
P14xEd1-TM-EN-1 xv