Instruction Manual
Table Of Contents
- Major Features and Benefits
- Functional Overview
- System Overview
- Application Examples
- Collect Fault Information From Remote Branches
- Improve Fuse Coordination
- Fuse-Blowing Scheme Shortcomings
- Improve Fuse-Blowing Schemes With the Fault Transmitter and Receiver System
- Fuse-Saving Combined With Fuse-Blowing Schemes
- Improve Feeder Cable First-Span Protection
- Implement a Low-Cost Fast Bus-Tripping Scheme
- Tripping the Right Recloser Faster
- Safety Information
- Network Deployment Overview
- Device Installation
- Dimensions
- Specifications
- Appendix A: Manual Versions
- Appendix B: Two-Branch Application
- Appendix C: Link Budget Analysis
- Appendix D: SEL-RP50 Fault Repeater Detailed Implementation
- Technical Support
45
Date Code 20210405 Instruction Manual SEL-FT50/SEL-FR12 Fault Transmitter and Receiver System
Appendix A: Manual Versions
20180613 ➤ Added Network Deployment Overview.
➤ Updated Table 2: SEL-FR12 Orderable Antennas.
➤ Added Commissioning the SEL-FR12 heading.
➤ Updated Table 12: Fresnel Zone Radius (900 MHz).
➤ Updated Specifications.
➤ Added Appendix C: Link Budget Analysis.
20180308
➤ Updated Table 2: SEL-FR12 Orderable Antennas.
➤ Added Caution note to Settings and Configuration in System Installation > SEL-FT50.
➤ Updated Compliance and Radio System in Specifications.
➤ Added EU to Table 13: Certifications by Country.
20180206
➤ Added Avoiding Radio Interference From Adjacent Networks, Receive Signal Strength Indicator, and Read Settings
to SEL-FR12 in System Installation.
➤ Updated General and Radio System in Specifications.
➤ Added Peru, Australia, and New Zealand to Table 13: Certifications by Country.
20171130
➤ Added Antenna to SEL-FR12 in System Installation.
➤ Added Brazil to Table 11: Certifications by Country.
20170828
➤ Updated Table 10: Certifications by Country.
20170622
➤ Updated System in Specifications.
➤ Added Type Tests to Specifications.
20170410
➤ Clarified that pickups listed in Table 8: Fault Pickup Accuracy Considerations are root-mean-square (rms) values.
➤ Clarified that System Current Pickup Level in Specifications is a root-mean-square (rms) value.
20170317
➤ Initial version.
Table 15 Instruction Manual Revision History (Sheet 2 of 2)
Date Code Summary of Revisions