Schweitzer Engineering Laboratories SEL-421-7 Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-421-7. We have 1 Schweitzer Engineering Laboratories SEL-421-7 manual available for free PDF download: Manual

Schweitzer Engineering Laboratories SEL-421-7 Manual (33 pages)

Protection, Automation, and Control System

Brand: Schweitzer Engineering Laboratories | Category: Control Systems | Size: 2 MB

Functional Overview
4
Protection Features
6
Directional Elements
8
Communications-Assisted Tripping Schemes
8
Combined Current for Protection Flexibility
8
Additional Features
9
Front Panel Display
9
Bay Control
10
One-Line Bay Diagrams
10
Circuit Breaker Operations from the Front Panel
10
Rack-Type Breakers Mosaics
11
Status and Trip Target Leds
11
Alarm Points
11
Communications Features
12
Open Communications Protocols
15
Flexible Control Logic and Integration Features
16
SEL OGIC Control Equations with Expanded Capabilities and Aliases
16
Oscillography and Event Reporting
18
Event Summary
18
Substation Battery Monitor for DC Quality Assurance
18
Diagrams and Dimensions
19
Models and Options
21
Specifications
23
Technical Support
31

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Schweitzer Engineering Laboratories SEL-421-7 Manuals

Schweitzer Engineering Laboratories SEL-421-7 Manual (33 pages)

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