9328900990 Rev L BE1-951 Testing and Maintenance i
SECTION 13 • TESTING AND MAINTENANCE
TABLE OF CONTENTS
SECTION 13 • TESTING AND MAINTENANCE .................................................................................... 13-1
GENERAL............................................................................................................................................ 13-1
TESTING PHILOSOPHIES.................................................................................................................. 13-1
Acceptance Testing..........................................................................................................................13-1
Commissioning Testing.................................................................................................................... 13-1
Periodic Testing................................................................................................................................ 13-2
Functional Testing............................................................................................................................ 13-2
TESTING AND TROUBLESHOOTING AIDS...................................................................................... 13-2
Performance Testing........................................................................................................................ 13-2
Relay Self-Test................................................................................................................................. 13-2
Status Reporting Features ............................................................................................................... 13-3
Event Reporting Features ................................................................................................................ 13-3
ACCEPTANCE TESTING.................................................................................................................... 13-3
Test Equipment ................................................................................................................................ 13-3
Power Up..........................................................................................................................................13-5
Communications............................................................................................................................... 13-6
Style Number and Serial Number Verification.................................................................................. 13-6
IRIG Verification (If used)................................................................................................................. 13-6
Contact Sensing Inputs .................................................................................................................... 13-6
Control Outputs ................................................................................................................................ 13-7
Current Circuit Verification ............................................................................................................... 13-7
Three-Phase Voltage Circuit Verification ......................................................................................... 13-8
Power Reading Verification.............................................................................................................. 13-9
Auxiliary Voltage Input Verification - VX and VX 3
rd
(Fundamental and Third Harmonic) ............... 13-9
Line and Bus Angle, Frequency, and Slip Verification................................................................... 13-10
COMMISSIONING TESTING ............................................................................................................ 13-10
Digital I/O Connection Verification ................................................................................................. 13-10
Virtual Selector Switches (If not used, skip to Virtual Control Switch) ........................................... 13-11
Virtual Control Switch (If not used, skip to Protection and Control Function Verification) ............. 13-12
Protection and Control Function Verification.................................................................................. 13-12
Verify Other Set Points, as Appropriate ......................................................................................... 13-13
Report and Alarm Functions........................................................................................................... 13-13
PERIODIC TESTING......................................................................................................................... 13-14
Settings Verification........................................................................................................................ 13-14
Analog Circuit Verification .............................................................................................................. 13-15
MAINTENANCE OF BACKUP BATTERY FOR REAL TIME CLOCK............................................... 13-15
To Replace Battery in H1 Case...................................................................................................... 13-15
To Replace Battery in S1 Case...................................................................................................... 13-16
CARE AND HANDLING..................................................................................................................... 13-16
UPDATING FIRMWARE AND SOFTWARE...................................................................................... 13-17
Updating Relay Firmware............................................................................................................... 13-17
Updating BESTCOMS Software..................................................................................................... 13-17
FUNCTIONAL TESTING ................................................................................................................... 13-17
Instantaneous Overcurrent (50T)................................................................................................... 13-18
Time Overcurrent (51).................................................................................................................... 13-24
Voltage Restraint/Control Time Overcurrent.................................................................................. 13-27
Directional Overcurrent (67)........................................................................................................... 13-29
Directional Power (32).................................................................................................................... 13-33
Volts per Hertz Overexcitation (24)................................................................................................ 13-34
Phase and Auxiliary Undervoltage/Overvoltage (27/59)................................................................ 13-36
Negative-Sequence Voltage (47)................................................................................................... 13-42
Over/Underfrequency (81).............................................................................................................. 13-44
Synchronism Check (25)................................................................................................................ 13-46
Breaker Failure (BF)....................................................................................................................... 13-48
Virtual Switches (43) ...................................................................................................................... 13-49
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