Seg WIC1W4AS1 Overcurrent Relay Manuals

Manuals and User Guides for Seg WIC1W4AS1 Overcurrent Relay. We have 1 Seg WIC1W4AS1 Overcurrent Relay manual available for free PDF download: Manual

Seg WIC1W4AS1 Manual

Seg WIC1W4AS1 Manual (58 pages)

CT POWERED TIME OVERCURRENT AND EARTH CURRENT RELAY

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

Table of Contents

Table of Contents
3
1 Comments on the Manual

5
2 Introduction

8
3 Handling, Installation and Outside Dimensions

10
- General Information
  10
  - Upkeep of the Relay
    10
  - Storage
    10
  - Electrostatic Discharge
    10
- Installation of the Relay
  10
- Outside Dimensions
  11
- Connection Diagram for WIC1
  11
- Connection Diagram for the Flag Indicator WI-SZ
  12
4 Operating Instructions

13
- General Information on the WIC1
  13
- User Interface
  14
  - Wic1-1
    14
  - Wic1-4
    15
  - Wic1-2
    16
  - Wic1-3
    17
- Cts for the WIC1
  18
5 Technical Data, Characteristics and Features

19
- Protective Functions
  19
- Default Settings
  23
- Routine Safety Check
  24
- Fault Value Memory
  24
- Communication
  25
  - Communication Via PC Adapter
    25
  - WIC1PC2 Adapter
    25
  - WIC1PC3 Adapter
    25
- Inputs and Outputs
  26
  - Remote Trip Input
    26
  - Impulse Output for the Tripping Coil
    26
  - Earthing
    26
  - Impulse Output for the Flag Indicator
    27
  - Measuring Inputs for the Cts
    27
- Technical Data
  28
  - Common Data
    28
  - Environmental Conditions
    28
  - Accuracy
    28
  - Insulation Voltage Withstand
    29
  - Emc
    29
  - Ambient Conditions
    30
  - Outside Dimension of Cts
    31
- Characteristics and Times
  33
- Description of the Application
  39
- Foreword
  39
- Selection of the CT Transformation Voltage Ratio
  40
- Adjustment Instruction for Inverse Characteristic
  41
6 Commissioning and Maintenance

43
- Important Note
  43
- Accessories for Commissioning Work
  43
- Criteria to be Taken into Account for Protection Devices Fed by Cts
  44
- Special Features for the WIC1 Test
  44
- Selection of the Secondary Test System
  45
- Checks During Commissioning
  45
  - Wiring Checks
    45
  - WIC1 Adjustment
    46
- Functional Test
  46
- Special Features for Earth Current Tests
  49
  - Switching Points for the Earth Current Step
    49
- Test Procedure by Way of Example
  50
- Maintenance
  52
  - Faults
    52
  - Repair Work
    52
7 Product-Specific Features

53
- Assignment of Terminals
  53
  - Earthing
    53
- Current Transformer
  54
8 Annex

55
- Dimensional Drawing Relay
  55
- Dimensional Drawing Flag Indicator
  55
- Order Form
  56
- Commissioning Form
  57

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