SEL-321
No longer in production
Overview
Overview
Documentation
Documentation
Support
Support
Documentation
Instruction Manual
SEL-321-0, -1 Phase and Ground Distance Relay
Application Guides
A Breaker Simulator in the SEL-321 Relay for Three-Pole Tripping Applications
Applying SEL Distance Relays on Lines with Power Transformers or Open Delta VTs
Applying SEL Relays in Systems With Inverter-Based Resources
Applying the SEL-321 Relay on Series-Compensated Systems
Applying the SEL-321 Relay to Directional Comparison Blocking (DCB) Schemes
Applying the SEL-321 Relay to Directional Comparison Unblocking (DCUB)Schemes
Applying the SEL-321 Relay to Permissive Overreaching Transfer Trip (POTT) Schemes
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Instruction Manuals
SEL-321-0, -1 Phase and Ground Distance Relay
SEL-321-2 Phase and Ground Distance Relay
SEL-321-3, -4 Phase and Ground Distance Relay
Settings Sheets
SEL-321-0,-1 1A Nominal Relay Settings Sheet
SEL-321-0,-1 5A Nominal Relay Settings Sheet
SEL-321-2 1A Nominal Relay Settings Sheet
SEL-321-2 5A Nominal Relay Settings Sheet
SEL-321-3, -4 1A Nominal Relay Settings Sheet
SEL-321-3, -4 5A Nominal Relay Settings Sheet
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