PGR-6150 Motor Protection System Rev. 1
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Pub. PGR-6150-M. September 29, 2010 • www.littelfuse.com • © 2010 Littelfuse • POWR-GARD® • 3/92
1. GENERAL HANDLING ............................................................................................5
1.1. Unpacking and Inspection............................................................................................................. 5
1.2. Handling Electronic Equipment ..................................................................................................... 5
1.3. Installation..................................................................................................................................... 5
1.4. Storage ......................................................................................................................................... 5
2. DIMENSIONS ...........................................................................................................
6
2.1. PGR-6150..................................................................................................................................... 6
2.2. PGR-6150-OPI.............................................................................................................................. 7
3. CONNECTION DIAGRAMS.....................................................................................8
3.1. Direct Connection ......................................................................................................................... 8
3.2. Multiple Pass Connection.............................................................................................................. 8
3.3. External CT Connection ................................................................................................................ 9
3.4. PTC and Ground-Fault Connection............................................................................................... 9
4. PGR-6150 BASE-MODULE TERMINALS............................................................ 10
5. DESCRIPTION .......................................................................................................11
5.1. General ....................................................................................................................................... 11
5.2. Features...................................................................................................................................... 11
5.2.1. Protection ......................................................................................................................... 11
5.2.2. Metering ........................................................................................................................... 11
5.2.3. Data Logging.................................................................................................................... 11
5.2.4. Inputs and Outputs ........................................................................................................... 12
5.2.5. Operator Interface ............................................................................................................ 12
5.3. Ordering Information ................................................................................................................... 12
6. PGR-6150 PROTECTIVE FUNCTIONS AND CONTROL.....................................
13
6.1. Power Supply.............................................................................................................................. 13
6.2. Protective Functions ................................................................................................................... 13
6.2.1. General Settings ................................................................................................................... 13
6.2.2. Overload ............................................................................................................................... 14
6.2.3. Phase Unbalance.................................................................................................................. 15
6.2.4. Phase Loss ........................................................................................................................... 15
6.2.5. Phase Sequence................................................................................................................... 16
6.2.6. PTC....................................................................................................................................... 16
6.2.7. Jam ....................................................................................................................................... 17
6.2.8. Locked rotor .......................................................................................................................... 17
6.2.9. Calculated Definite-Time Ground Fault ................................................................................. 18
6.2.10. Calculated Inverse-Time Ground Fault................................................................................ 18
6.2.11. Measured Definite-Time Ground Fault ................................................................................ 19
6.2.12. Measured Inverse-Time Ground Fault................................................................................. 19
6.2.13. Undercurrent ....................................................................................................................... 20
6.2.14. Motor-Start-Up Monitoring................................................................................................... 20
6.2.15. PGR-6150 Settings Summary ............................................................................................. 21
6.2.16. Overload Curves ................................................................................................................. 24
6.2.17. IEC255-4/BS-142 Curves.................................................................................................... 35
6.3. Monitoring and Control................................................................................................................ 39
6.3.1. Metering................................................................................................................................ 39
6.3.2. States.................................................................................................................................... 40
6.3.3. Ground-Fault Current-Transformer Monitoring...................................................................... 43
6.3.4. Time Delayed PGR-6150 Start.............................................................................................. 43
6.3.5. Reset .................................................................................................................................... 44
6.3.6. Thermal Image Reset............................................................................................................ 44
6.3.7. Reset/Test Button ................................................................................................................. 44
6.3.8. Reports/Event Records ......................................................................................................... 44
6.3.9. Statistics................................................................................................................................ 45
6.3.10. Commands.......................................................................................................................... 46
