SEL feeder protection solutions are ideal for:
- Fault location and event analysis—get your systems back online quickly, and find the root cause.
- Radial and looped distribution circuits—apply time-overcurrent, directional overcurrent, over/undervoltage, and frequency protection.
- Ultrafast fiber-optic arc-flash detection and mitigation to improve safety and prevent equipment damage.
- Breaker failure detection and enhanced breaker monitoring.
- Bay control with breaker wear monitoring and high-speed failure detection.
Feeder Protection Products
SEL-751 Feeder Protection Relay
Feeder protection, automation, and control in one package.Applications:- Comprehensive protection for radial and looped distribution circuits
- Fault location and event analysis
- Arc-flash detection and mitigation
- Sensitive neutral input and nondirectional sensitive earth fault (SEF) protection
- Situational awareness and asset monitoring
- Protection in hazardous and potentially explosive environments
SEL-451 Protection, Automation, and Bay Control System
Complete substation bay control and high-speed breaker protection in one powerful, economical device.Applications:- Bay control with breaker wear monitoring and high-speed breaker failure detection
- Overcurrent protection
- High-impedance fault detection
- Pad-mounted switchgear protection
- Digital secondary system solutions for substations—use SEL Time-Domain Link (TiDL) or Sampled Values (SV) technologies to move high-energy signals out of the control house and replace copper wiring with fiber