SEL-411L Advanced Line Differential Protection, Automation, and Control System
- 
                                                
NG # 001416-HW-SEL-016
 
Manufactured by:
Apply the SEL-411L for complete protection and control of any transmission line (short, long, or series-compensated). The SEL-411L provides differential and distance protection with both phase- and sequence-based operating elements for sensitivity and high-speed operation.
Specification
- Line Current Differential Protection
 - Series-Compensated and Long Lines
 - Traveling-Wave Fault Locator
 - Bay Control, Reclosing, and Breaker Failure Detection
 - Out-of-Step Blocking and Tripping
 - Multiterminal Transmission Lines
 - Flexible Communications Options
 - Bay Control, Reclosing, and Breaker Failure Detection
 - Multiterminal Protection With Fault Location
 - Synchrophasor Measurements to Increase Asset Utilization
 
Description
You can choose from many popular fiber and multiplexed communications options. Distance protection and logic from a complete SEL-421 Protection, Automation, and Control System are included to provide redundant protection and integration. The SEL-411L includes a traveling-wave fault locating method to locate faults within a tower span. Broken conductor detection in the SEL-411L detects conductor breaks in overhead lines. This function can prevent a shunt fault that could occur from a falling conductor.