User Manuals: Basler BE1-81 Digital Frequency Relay

Manuals and User Guides for Basler BE1-81 Digital Frequency Relay. We have 1 Basler BE1-81 Digital Frequency Relay manual available for free PDF download: Instruction Manual

Basler BE1-81 Instruction Manual

Basler BE1-81 Instruction Manual (43 pages)

Digital Underfrequency Relay

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

Table of Contents

Table of Contents
4
Section 1 General Information

6
- Purpose
  6
- Description
  6
  - Definite Time Option
    6
  - Inverse Time Option
    6
  - Relay Assembly
    6
- Model and Style Number Description
  6
  - Sample Style Number
    9
  - Style Number Identification Chart
    9
- Specifications
  10
Section 2 Controls and Indicators

12
Section 3 Functional Description

16
- Functional Description
  16
  - Sensing
    16
  - Power Supply
    17
  - Power Supply Status Contacts
    17
  - Voltage Inhibit Circuit
    17
  - Input Conditioning Circuit
    17
  - Crystal Reference Oscillator
    17
  - Synchronizer Circuit
    18
  - Reference Circuit
    18
  - Period Difference Circuit
    18
  - Period Difference to Frequency Difference Circuit
    18
  - Threshold Setting Comparator
    18
  - Definite Time Delay Circuit (Timing Option E1)
    18
  - Inverse Time Delay Circuit (Timing Option D1)
    18
  - Relay Output
    18
  - Internally Operated Target Driver
    19
  - Current Operated Target Driver
    19
  - Target Indicator
    19
Section 4 Installation

20
- General
  20
- Relay Operating Precautions
  20
- Dielectric Test
  20
- Relay Mounting
  20
- Connections
  32
  - Internal Connections, Style Number T?E ?1? A0S5
    34
  - Internal Connections, Style Number T?E ?1C A2S5
    35
Section 5 Testing

36
- General
  36
- Test Setup
  36
- Definite Time Delay (Option E1) Test Procedure
  37
Section 6 Maintenance

41
- General
  41
- In-House Repair
  41
- Storage
  41
- Test Plug
  42

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