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Seg WIC1-W1 Manuals
Manuals and User Guides for Seg WIC1-W1. We have
1
Seg WIC1-W1 manual available for free PDF download: Manual
Seg WIC1-W1 Manual (58 pages)
CT POWERED TIME OVERCURRENT AND EARTH CURRENT RELAY
Brand:
Seg
| Category:
Relays
| Size: 2.2 MB
Table of Contents
Table of Contents
3
1 Comments on the Manual
5
Information Concerning Liability and Warranty
5
Important Definitions
6
Electrostatic Discharge Awareness
7
2 Introduction
8
How to Use this Instruction
8
Introductory Remarks on the WIC1
8
Product Description
9
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
Minimal Operating Current and Rated Primary Current
19
Phase Time over Current Protection
20
Earth Current Protection
22
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
Characteristic Curves
33
Calculation Formula for IMT Characteristics
37
Flag Indicators
38
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
Test Currents
47
Switching Points for the Overcurrent Steps
47
Switching Points for the Short-Circuit Step
48
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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