SEL-387
Overview
Overview
Documentation
Documentation
Support
Support
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Documentation
Instruction Manual
SEL-387 Current Differential and Overcurrent Relay
Data Sheet
SEL-387 Current Differential and Overcurrent Protection Relay
Flyer
SEL-387 Current Differential and Overcurrent Relay
Application Guides
Applying REF Protection With SEL-787 and SEL-387 Relays on Low-Impedance Grounded Transformers
Applying the SEL-387-5 Relay Combined Overcurrent Elements
Bus Protection Using a Four-Winding Low-Impedance Percentage Differential Relay
Calculating and Testing Transformer Thermal-Model Constants
Transformer Cooling Constants
Connection and Configuration of an SEL Communications Processor and an SEL-2410 I/O Processor to Obtain Measured Ambient and Top-Oil Temperatures for the SEL-387-6 Relay Thermal Element
Connection and Configuration of an SEL Communications Processor and an SEL-2600A to Obtain Measured Ambient and Top-Oil Temperatures for the SEL-387-6 Relay Thermal Element
Defining DCE and DTE: Null Modem Cable and Straight-Through Cable Applications
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Case Studies
Relays and Communications Processors Help Energize Barrie Hydro Expansion, Automation, and Transition to Open Market
Relays Provide Critical Automation and Communications Features for Windsor Substation Upgrade and Auto Plant Transformer Stations
Data Sheets
SEL-387 Current Differential and Overcurrent Protection Relay
Flyers
Conformal Coating
SEL-387 Current Differential and Overcurrent Relay
SEL-9220 Fiber-Optic Adapter for SEL-300 Series Relays
Guideform Specifications
SEL-387 Current Differential and Overcurrent Relay
SEL-387 Current Differential and Overcurrent Relay
Instruction Manuals
SEL-387 Current Differential and Overcurrent Relay
Ordering Information
SEL-387-0, -5, -6 Connectorized Relay
SEL-387-0, -5, -6 Relay
Wiring Harness for Connectorized SEL-387
Settings Sheets
SEL-387-0, -5, -6 Relay Commissioning Test Worksheet
SEL-387-0, -5, -6 Relay DNP Port—SET P Settings Sheets
SEL-387-0, -5, -6 Relay Settings Sheets
Technical Papers
A Call to Action: Say YES to Restricted Earth Fault Protection
Case Study: Detection of Turn-to-Turn Faults in a Load Tap Changer Mechanism
Getting the Lines Crossed—How a Three-Phase Series Fault Caused a Sequence of Relay Operations
Work Smarter, Not Harder: Using Software Tools to Diagnose REF Installation Errors
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