Technical Notes

Protection Relays Technical Notes

Current Transformers

TN-CT03-Locating-Conductors-in-CT-Window Tech Note

TN-CT04-Hammond-CTs

TN-CT06-CT-Turns-Ratio-Modification

TN-CT08-Ground-Fault-CT-Location

TN-CT09-Sensitive-Ground-Fault-with-Split-Core-CT

TN-CT10-CT-PT-Polarity-Testing

TN-CT11-FPL-Zero-Sequence-Sensors-with-Littelfuse-Relays

 


Engineered Products

TN-EP01-SE-3SCR-LM-Compatibility

TN-EP02-Revision-3-SE-3FB-Changes

TN-EP03-SE-16RB-Relay-Boards

TN-EP04-SE-PCM8-Multiplexer

TN-EP05-PTO-Panel-Checklist

 


Feeder Protection

TN-FP01-FPU-32-Replace-Line-Power-07-2000

 


Ground Check

TN-GC01-SE-105-Termination-and-Frequency-Response

TN-GC02-SE-105-Theory-of-Operation

TN-GC03-SE-105-Settings-Record

TN-GC04-SE-105-Tests

TN-GC05-GF-GC-Monitor-Comparison

TN-GC06-Replacing-SE-125-with-SE-135

TN-GC07-SE-134C-Guideform-Specification

TN-GC08-Using-GF-GC-Monitors-Load-Discrimination 

TN-GC12-Ground-Check-Monitor-Induced-and-Coupled-AC-Performance

 


Ground Fault Protection

TN-GF02-SE-701-Competitive-Comparison

TN-GF03-Ground-Fault-Misconceptions

TN-GF04-SE-701-Remote-Reset

TN-GF05-Ground-Fault-Monitor-Comparison

TN-GF06-SE-601-DC-Ground-Fault-Protection 

TN-GF07-Ground-fault-Monitor-Guideform-Specification

TN-GF08-SE-601-with-Asymmetrical-GRM

TN-GF09-Generator-Differential-GF-Protection

 TN-GF10-Pulsing-Ground-Fault-Systems

TN-GF11-Ground-Fault-Monitoring-in-Adjustable-Speed-Drive-Applications

 


Mounting Adapter

TN-MA03-PMA-3-GEC-MCGG-Adapter

TN-MA05-PMA-55-Adapter

TN-MA07-PMA-7-GE-LodTrak-II-Adapter

TN-MA09-PMA-9-GE-S1-Case-Adapter

 


Motor Protection

TN-MP11-Competitive-Comparison

TN-MP12-MPS-Guideform-Specification

TN-MP13-MPS-Voltage-Sequence-Two-PT-Connection

TN-MP14-Using-One-OPI-for-Multiple-Motors