VI 869 MOTOR PROTECTION SYSTEM – INSTRUCTION MANUAL
6.METERING Summary ..............................................................................................................................................6 - 4
Motor ......................................................................................................................................................6 - 5
Percent Differential Current................................................................................................................. 6 - 5
Motor Load................................................................................................................................................... 6 - 5
Speed.............................................................................................................................................................. 6 - 6
Broken Rotor Bar....................................................................................................................................... 6 - 6
Stator Inter-Turn Fault............................................................................................................................ 6 - 7
Short Circuit................................................................................................................................................. 6 - 7
Impedance...........................................................................................................................................6 - 8
Positive Sequence Impedance............................................................................................................ 6 - 8
Currents.................................................................................................................................................6 - 8
Voltages .............................................................................................................................................6 - 10
Frequency .........................................................................................................................................6 - 11
Harmonics 1(Harmonics 2)........................................................................................................6 - 12
Harmonic Detection .....................................................................................................................6 - 13
Power...................................................................................................................................................6 - 14
Energy .................................................................................................................................................6 - 15
Power Factor....................................................................................................................................6 - 16
Current Demand 1.........................................................................................................................6 - 16
Power Demand............................................................................................................................... 6 - 17
Directional Power ..........................................................................................................................6 - 17
Arc Flash ............................................................................................................................................6 - 17
RTDs .....................................................................................................................................................6 - 18
RTD Maximums...............................................................................................................................6 - 18
Analog Inputs...................................................................................................................................6 - 19
FlexElements....................................................................................................................................6 - 19
7.RECORDS Events.....................................................................................................................................................7 - 1
Transient Records.............................................................................................................................7 - 2
Fault Reports.......................................................................................................................................7 - 2
Data Logger.........................................................................................................................................7 - 2
Motor Start Records ........................................................................................................................7 - 3
Motor Start Statistics.......................................................................................................................7 - 4
Learned Data......................................................................................................................................7 - 4
Remote Modbus Device.................................................................................................................7 - 7
Breakers................................................................................................................................................7 - 9
Breaker Arcing Current........................................................................................................................... 7 - 9
Breaker Health ........................................................................................................................................... 7 - 9
Digital Counters.................................................................................................................................7 - 9
Remote Modbus Device.............................................................................................................. 7 - 10
8.MAINTENANCE Environmental Health Report .....................................................................................................8 - 1
Motor Health Report........................................................................................................................8 - 3
General Maintenance .....................................................................................................................8 - 6
In-service Maintenance ......................................................................................................................... 8 - 6
Out-of-service Maintenance................................................................................................................ 8 - 6
Unscheduled Maintenance (System Interruption)..................................................................... 8 - 6
A.APPENDIX A Application Notes .............................................................................................................................A - 1
Contactor Current Supervision........................................................................................................... A - 1