GE P444

Commissioning
P44x/EN CM/Hb
6
MiCOM P40 Agile P442, P444
(CM) 9-
3
CONTENTS
1 INTRODUCTION 5
2 SETTING FAMILIARISATION 6
3 EQUIPMENT REQUIRED FOR COMMISSIONING 7
3.1 Minimum Equipment Required 7
3.2 Optional Equipment 7
4 PRODUCT CHECKS 8
4.1 With the Relay De-energised 8
4.1.1 Visual Inspection 9
4.1.2 Current Transformer Shorting Contacts 9
4.1.3 External Wiring 10
4.1.4 Insulation 10
4.1.5 Watchdog Contacts 11
4.1.6 Auxiliary Supply 11
4.2 With the Relay Energised 11
4.2.1 Watchdog Contacts 12
4.2.2 Date and Time 12
4.2.3 With an IRIG-B signal 12
4.2.4 Without an IRIG-B signal 12
4.2.5 Light Emitting Diodes (LEDs) 12
4.2.6 Field Voltage Supply 13
4.2.7 Input Opto-isolators 13
4.2.8 Output Relays 14
4.2.9 Rear Communications Port 16
4.2.10 Current Inputs 17
4.2.11 Voltage Inputs 18
5 SETTING CHECKS 19
5.1 Apply Application-Specific Settings 19
5.2 Check Application-Specific Settings 19
5.3 Demonstrate Correct Distance Function Operation 20
5.3.1 Functional Tests: Start control & Distance characteristic limits 20
5.3.2 Distance scheme test (if activated in MiCOM S1 Agile) 35
5.3.3 Loss of guard/loss of carrier test 36
5.3.4 Weak infeed mode test 36
5.3.5 Protection operation during fuse failure 37
5.4 Demonstrate Correct Overcurrent Function Operation 38
5.4.1 Connect the test circuit 38
5.4.2 Perform the test 39
5.4.3 Check the operating time 39
5.5 Check Trip and Auto-reclose Cycle 39