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SEL-451
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SEL-451
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Documentation
Featured
Instruction Manual
SEL-451 Protection, Automation, and Bay Control System and SEL-400 Series Relays
Data Sheet
SEL-451 Protection, Automation, and Bay Control System
Flyer
SEL-451 Protection, Automation, and Bay Control System
Literature
Documents sorted by newest first.
Include English Literature
Literature
Flyers
Featured
SEL-451 Protection, Automation, and Bay Control System
SEL Digital Secondary System Solutions
Distribution Solutions
High-Impedance Fault Detection With SEL Arc Sense Technology (AST)
SEL Time-Domain Link (TiDL) Technology
Data Sheets
SEL-451 Protection, Automation, and Bay Control System
SEL-451-6 Protection, Automation, and Bay Control System With Sampled Values or TiDL Technology
Autosynchronization Systems Using the SEL-451
Guideform Specifications
SEL-451-6 Protection, Automation, and Bay Control System With Sampled Values or TiDL Technology
SEL-451-6 Protection, Automation, and Bay Control System With Sampled Values or TiDL Technology
SEL-451-5 Protection, Automation, and Bay Control System
SEL-451-5 Protection, Automation, and Bay Control System
Installation Guides
SEL-400 Series TiDL Quick-Start Guide
Installing IP52 Dust Protection for SEL-400 Series Panel-Mount Relays
Instruction Manuals
SEL-451 Protection, Automation, and Bay Control System
SEL-451 Protection, Automation, and Bay Control System and SEL-400 Series Relays
SEL-451-6 Protection, Automation, and Bay Control System With Sampled Values or TiDL Technology
SEL-451-6 Protection, Automation, and Bay Control System With Sampled Values or TiDL Technology and SEL-400 Series Relays
Configurable Labels
SEL-400 Series Configurable Label Template (Vertical)
SEL-400 Series Configurable Label Template (Vertical; A4)
SEL-400 Series Enhanced HMI Configurable Label Template (Horizontal)
SEL-400 Series Enhanced HMI Configurable Label Template (Horizontal; A4)
SEL-400 Series Configurable Label Template (Horizontal)
SEL-400 Series Configurable Label Template (Horizontal; A4)
SEL-400 Series Enhanced HMI Configurable Label Template (Vertical)
SEL-400 Series Enhanced HMI Configurable Label Template (Vertical; A4)
SEL 400 Series Configurable Label Instructions
Related Downloads
SEL-451-5 DNP3 Device Profile Information
SEL-451-6 DNP3 Device Profile Information
Certificates
SEL-451-5 IEC 61850 Edition 2 Conformance Certificate
SEL-451-6 IEC 61850 Edition 2 Conformance Certificate
SEL-451-5 IEC 61850 Edition 2 MICS
SEL-451-5 IEC 61850 Edition 2 PICS
SEL-451-5 IEC 61850 Edition 2 PIXIT
SEL-451-5 IEC 61850 Edition 2 TICS
SEL-451-6 IEC 61850 Edition 2 MICS
SEL-451-6 IEC 61850 Edition 2 PICS
SEL-451-6 IEC 61850 Edition 2 PIXIT
SEL-451-6 IEC 61850 Edition 2 TICS
Publications
Application Guides
Visualizing the 32Q and 32V Directional Elements in the Complex Plane by Using Synchrowave Event
Related Material
AG2025-06
Healthy Voltage Supervision for Manual Alternate Voltage (ALTV) Activation in SEL-400 Line Relays
Modifying the Reclosing, Ground, and Hot-Line Tag Logic in the SEL-351S, SEL-451, and SEL-751 Relays
Calculating Voltage-Related Settings for SEL Relays With Low-Energy Analog Voltage Sensors
Related Material
AG2023-05
Directional Power Monitoring for Two Separate Current and Voltage Sources by Using the SEL-451
Related Material
AG2021-34-451-1
AG2021-34-451-2
Implementing Inverse-Time Frequency Elements Using SEL-400 Series Relays to Comply With NERC Standard PRC-024-3
Using
SELogic
Control Equations to Provide a Trip Coil Monitor Alarm in SEL-351, SEL-451, and SEL-751 Relays
Applying Arc Sense Technology in SEL Relays
Applying the SEL-451 With Open-Delta VT Connections
Maintaining IEC 61850 Configuration While Upgrading Firmware in SEL-400 Series Relays
Configuring an SEL-400 Series Relay and an SEL-2488 to Use IEEE 1588v2-2008 Precision Time Protocol With the IEEE C37.238 Profile
Metering Both Voltage Sources Simultaneously in the SEL-451 Relay
Revised Setting Guidelines for E32 in SEL Relays
Testing the High-Impedance Fault Detection Element in the SEL-751 and SEL-451
Related Material
Example settings
cfg, dat, and hdr files
Using the SEL-451 for Transformer Backup Overcurrent Protection
Motor Bus Transfer Scheme for a Two-Source Configuration Implemented in the SEL-451
Related Material
acSELerator
QuickSet SEL-5030 Software example file
Implementing Memory Register Functions Using Advanced
SELogic
Control Equation Math Functions in SEL-400 Series Relays
Using Freeform Logic in the SEL-451 Relay to Create a Current Unbalance (UB%) Detection Function
Applying the SEL-451 Recloser in a Ring Bus or Breaker-and-a-Half Substation
Implementation of Inverse-Time Over- and Undervoltage Elements in SEL-451 and SEL-421 Relays
Implementation of Voltage, Frequency, and Power Elements in the SEL-451 Relay Using
SELogic
Control Equations
Application Notes
Changing Metering Direction in SEL-400 Series Relays for SCADA Applications
Detecting Power System Islanding With Time Error Measurement
Estimating Power System Frequency With Synchronized Measurement
Generator Black-Start Restoration Using Synchronized Measurement
Case Studies
Using Wide-Area Synchrophasor Measurements to Improve System Reliability
Innovative Phase-Angle Control Helps AEP Optimize Power Flow on Transmission Grid
Technical Papers
A Novel Underfrequency Load-Shedding Solution to Avoid Blackouts Under Low System Inertia Conditions
Case Study: Deploying and Operating a Point-to-Point Digital Secondary Substation at One Power
A Practical Guide: Design and Protection Considerations for Developing Reliable Automatic Transfer Schemes (ATSs)
Complete Monitoring Solution to Improve Reliability and Performance of Digital Secondary Systems
Developments in System Islanding and Synchronization Systems
Performance of IEC 61850 Sampled Values Relays for a Real-World Fault
Practical Experience With High-Impedance Fault Detection in Distribution Systems—Continued
Improve Protection Communications Network Reliability Through Software-Defined Process Bus
White Papers
Best Practices for Implementing PTP in the Power Industry
Drawings