Eaton DT3031 Protective Relay Manuals

Manuals and User Guides for Eaton DT3031 Protective Relay. We have 1 Eaton DT3031 Protective Relay manual available for free PDF download: Instructions For Installation, Operation And Maintenance

Eaton DT3031 Instructions For Installation, Operation And Maintenance

Eaton DT3031 Instructions For Installation, Operation And Maintenance (92 pages)

Protective Relay

Brand: Eaton | Category: Relays | Size: 2 MB

Table of Contents

Table of Contents
2
Section 1: Introduction

7
Section 2: Functional Description

12
- Protection, Testing and Communication Capabilities
  12
  - 2-1.1 Rms Sensing
    12
  - 2-1.2 Pickup Setting
    12
  - 2-1.3 Time Setting
    12
  - 2-1.4 Protection Curve Settings
    12
  - 2-1.5 Integral Testing
    16
  - 2-1.6 Communications
    17
- Protective Relay Hardware
  17
- DT3000 and DT3030 Specifications and Test Summary
  23
Section 3: Operation

25
- Introduction
  25
- Power-Up and Self Testing
  25
- Panel Operations
  25
  - 3-3.1 Characteristic Curve
    25
  - 3-3.2 Program Mode
    31
  - 3-3.3 Programming Overview
    33
  - 3-3.4 Test Mode
    33
- Communications Function
  34
  - 3-4.1 Address and Baud Rate Settings
    34
Section 4: Application Considerations

38
- Zone Interlocking Capabilities
  38
Section 5: Installation, Startup and Testing

41
- Introduction
  41
- Panel Preparation
  41
  - 5-2.1 Cutout
    41
  - 5-2.2 Mounting
    41
- Replacing Digitrip MV with Digitrip 3000
  41
- Wiring
  42
- Initial Startup
  42
  - 5-5.1 before Power Application
    42
  - 5-5.2 Initial Power Application
    42
- Miscellaneous Testing
  43
Section 6: Maintenance and Storage

44
- General
  44
  - 6-1.1 Storage
    44
  - Troubleshooting Guide (Table 6.1)
    44
- Replacement
  44
Section 7: Time-Current Curves

47
- Digitrip 3000 Inverse Time Overcurrent Curves
  47
- Digitrip 3000 Curve Equations
  67
Appendix A

69
Appendix A

69
- Introduction
  69
- General Description
  69
- Installation
  69
- Wiring and Setup
  71
- Application Considerations
  74
- Drawout Operation
  75
  - Inserting the Relay
    75
  - Removing the Relay
    75
Appendix B

77
Appendix B

77
- General Description
  77
- Introduction
  77
- Functional Description
  80
- Installation
  80
  - Panel Preparation
    80
  - Mounting the Digitrip 3000 with Dual-Source Power Supply
    80
- Application Considerations
  82
  - Sensitivity and CT Ratios
    82
  - Tripping on Facility Energization
    82
  - CT Saturation
    85
  - Burden Data
    85
- Wiring and Setup
  82
- Testing the Dual-Source Power Supply
  87
  - In-Service Test
    87
  - Lab Bench Test
    87

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