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Manuals
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Eaton Manuals
Relays
DT3030
Instructions for installation, operation and maintenance
Eaton DT3030 Instructions For Installation, Operation And Maintenance
Protective relay
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Section 1: Introduction
Preliminary Comments and Safety Precautions
1-1.1 Warranty and Liability Information
1-1.2 Safety Precautions
General Information
Functions/Features/Options
Standards
Section 2: Functional Description
Protection, Testing and Communication Capabilities
2-1.1 Rms Sensing
2-1.2 Pickup Setting
2-1.3 Time Setting
2-1.4 Protection Curve Settings
2-1.5 Integral Testing
2-1.6 Communications
Protective Relay Hardware
2-2.1 Front Operations Panel
2-2.2 Rear Access Panel
2-2.3 External Hardware
DT3000 and DT3030 Specifications and Test Summary
Section 3: Operation
Introduction
Power-Up and Self Testing
Panel Operations
3-3.1 Characteristic Curve
3-3.2 Program Mode
3-3.3 Programming Overview
3-3.4 Test Mode
Communications Function
3-4.1 Address and Baud Rate Settings
Section 4: Application Considerations
Zone Interlocking Capabilities
Section 5: Installation, Startup and Testing
Introduction
Panel Preparation
5-2.1 Cutout
5-2.2 Mounting
Replacing Digitrip MV with Digitrip 3000
Wiring
Initial Startup
5-5.1 before Power Application
5-5.2 Initial Power Application
Miscellaneous Testing
Section 6: Maintenance and Storage
General
6-1.1 Storage
Troubleshooting Guide (Table 6.1)
Replacement
Section 7: Time-Current Curves
Digitrip 3000 Inverse Time Overcurrent Curves
Digitrip 3000 Curve Equations
Appendix A
Appendix A
Introduction
General Description
Installation
Panel Preparation
Digitrip 3001 Drawout Relay Parts List
Mounting the Drawout Outer Case
Wiring and Setup
Application Considerations
Drawout Operation
Inserting the Relay
Removing the Relay
Appendix B
Appendix B
General Description
Introduction
Functional Description
Installation
Panel Preparation
Mounting the Digitrip 3000 with Dual-Source Power Supply
Application Considerations
Sensitivity and CT Ratios
Tripping on Facility Energization
CT Saturation
Burden Data
Wiring and Setup
Testing the Dual-Source Power Supply
In-Service Test
Lab Bench Test
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2-1.4 Protection Curve Settings
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2-1.2 Pickup Setting
3
Wiring
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I.B. 17555C
Instructions for Installation, Operation and Maintenance
of the Cutler-Hammer Digitrip 3000 and Digitrip 3030
Protective Relay
Effective November 1999 Supersedes I.B. 17555A dated March 1999
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