GE DBF Manuals

Manuals and User Guides for GE DBF. We have 1 GE DBF manual available for free PDF download: Instructions Manual

GE DBF Instructions Manual

GE DBF Instructions Manual (65 pages)

Digital Breaker Failure Protection

Brand: GE | Category: Power Supply | Size: 0.65 MB

Table of Contents

Table of Contents
4
List of Figures
6
1 General Description and Application

8
- General Description
  8
2 Operation Logic

10
- Protection Functions
  10
  - Overcurrent Units
    10
- Monitoring and Recording Functions
  12
  - Measurement
    12
  - Associated Breaker Status
    12
  - Target Lamps
    12
  - Circuit Breaker Breaking Capacity Monitoring
    16
  - Built-In Self-Checking Unit
    17
- Analysis Functions
  17
  - Event Recorder
    17
  - Oscillography
    17
- Control
  19
  - Tables of Settings
    19
  - Time Synchronization
    20
  - Configurable Inputs and Outputs
    20
- Man-Machine Interface (Hmi)
  22
- Remote Communications
  23
3 Settings

24
4 Technical Characteristics

28
- Model List
  28
  - Special Models
    28
- Technical Characteristics
  29
5 Hardware Description

32
- Physical Description
  32
  - Case
    32
  - Electrical Connections
    32
  - Internal Construction
    32
- Operating Theory
  34
  - Magnetic Module
    34
  - CPU Board
    34
  - Power Supply
    35
  - Keyboard and Display
    35
6 Acceptance Tests

36
- Connections and Necessary Equipment
  36
- Visual Inspection
  36
- Panel Insulation Tests
  36
- Relay Setting
  37
- Indicators
  37
- Power Supply
  37
- Communications
  38
- Inputs
  39
  - Digital Inputs
    39
  - IRIG-B Synchronizing Input
    39
- Functions
  40
  - 50BF 1P Unit Test
    40
  - 50BF 3P Unit Test
    41
  - Internal Arc Test
    42
  - No I Function
    42
  - Neutral Overcurrent Unit Test
    42
- Relay Measurement Tests
  44
  - Current Measurement
    44
  - Timing Measurement
    44
7 Installation and Maintenance

46
- Installation
  46
- Connection-To-Ground and Disturbances Suppression
  46
- Maintenance
  46
8 Keyboard and Display

48

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