GE P643 User Manual

4.3 Advisory Test Equipment 415
5 Product Checks 416
5.1 Product Checks with the IED De-energised 416
5.1.1 Visual Inspection 417
5.1.2 Current Transformer Shorting Contacts 417
5.1.3 Insulation 417
5.1.4 External Wiring 417
5.1.5 Watchdog Contacts 418
5.1.6 Power Supply 418
5.2 Product Checks with the IED Energised 418
5.2.1 Watchdog Contacts 418
5.2.2 Test LCD 419
5.2.3 Date and Time 419
5.2.4 Test LEDs 420
5.2.5 Test Alarm and Out-of-Service LEDs 420
5.2.6 Test Trip LED 420
5.2.7 Test User-programmable LEDs 420
5.2.8 Test Opto-inputs 420
5.2.9 Test Output Relays 420
5.2.10 RTD Inputs 421
5.2.11 Current Loop Outputs 421
5.2.12 Current Loop Inputs 421
5.2.13 Test Serial Communication Port RP1 422
5.2.14 Test Serial Communication Port RP2 423
5.2.15 Test Ethernet Communication 424
5.3 Secondary Injection Tests 424
5.3.1 Test Current Inputs 424
5.3.2 Test Voltage Inputs 425
6 Setting Checks 426
6.1 Apply Application-specific Settings 426
6.1.1 Transferring Settings from a Settings File 426
6.1.2 Entering settings using the HMI 426
7 Checking the Differential Element 428
7.1 Using the Omicron Advanced Module 428
8 Protection Timing Checks 431
8.1 Bypassing the All Pole Dead Blocking Condition 431
8.2 Overcurrent Check 431
8.3 Connecting the Test Circuit 431
8.4 Performing the Test 431
8.5 Check the Operating Time 431
9 Onload Checks 433
9.1 Confirm Current Connections 433
9.2 Confirm Voltage Connections 433
9.3 On-load Directional Test 434
10 Final Checks 435
Chapter 20 Maintenance and Troubleshooting 437
1 Chapter Overview 439
2 Maintenance 440
2.1 Maintenance Checks 440
2.1.1 Alarms 440
2.1.2 Opto-isolators 440
2.1.3 Output Relays 440
2.1.4 Measurement Accuracy 440
2.2 Replacing the Device 441
2.3 Repairing the Device 442
2.4 Removing the front panel 442
Contents P64x
xii P64x-TM-EN-1.3

GE P643 Specifications

General

Brand	GE
Model	P643
Category	Relays
Language	English