Thytronic NV021 Protective Relay System Manuals

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Thytronic NV021 Manual (146 pages)

LOM PROTECTION RELAY VOLTAGE AND FREQUENCY PROTECTION FOR LOW VOLTAGE APPLICATIONS

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

Table of Contents
2
Introduction
5
Scope and Liability
5
Applicability
5
Conformity
5
Technical Support
5
Copyright
5
Warranty
5
Safety Recommendations
5
Insulation Tests
5
Product Identification
6
Environment
6
Graphical Conventions
6
Glossary/Definitions
6
General
10
Preface
10
Input Circuits for Direct Connection
10
Main Features
11
Photo
11
Technical Data
12
Insulation
12
EMC Tests for Interference Immunity
12
Voltage Dip and Interruption
12
Emission
13
Mechanical Tests
13
Climatic Tests
13
Safety
13
Certifications
13
Input Circuits
14
Auxiliary Power Supply Uaux
14
Voltage Input Circuits
14
Binary Input Circuits
14
Output Circuits
14
Relays
14
MMI
14
Communication CIRCUITS
14
Local Port
14
Remote Ports
14
General Settings
15
Protective Elements
15
Thermal Protection with Pt100 Probes - 26
15
Undervoltage - 27
15
Positive Sequence Undervoltage - 27V1
15
Overvoltage - 59
16
Ten Minutes Overvoltage - 59Uavg
16
Negative Sequence Overvoltage - 59V2
16
Underfrequency (81U)
16
Overfrequency (81O)
17
Frequency Rate of Change (81R)
18
Breaker Failure - BF
18
Control and Monitoring
19
Frequency Tracking
19
Trip Circuit Supervision - 74TCS
19
Circuit Breaker Supervision
19
Oscillography (DFR)
19
PLC (Programmable Logic Controller)
19
Metering
20
Function Characteristics
21
Hardware
21
Power Supply Board
22
CPU Board
22
Input Board
22
MMI (Keyboard, LED and Display)
22
Software
23
Base Software
23
Real-Time Operating System
23
Task
23
Drivers
24
Application Software
24
Data Base
24
Self Test (Application)
24
Development Tools (Builder)
24
I/O Description
25
Metering Inputs
25
Signal Processing
25
Conventions
27
Binary Inputs
29
Output Relays
33
LED Indicators
35
Communication Interfaces
37
Protective Elements
38
Rated Values
38
Undervoltage - 27
42
Positive Sequence Undervoltage - 27V1
46
Overvoltage - 59
48
Ten Minuts Overvoltage - 59Uavg
52
Negative Sequence Overvoltage - 59V2
54
Overfrequency - 81O
56
Underfrequency - 81U
58
Application Notes about Over-Under Frequency Elements - 81U and 81O
62
Frequency Rate of Change - 81R
64
Breaker Failure - BF
68
Control and Monitoring
70
Logic Block (Block1)
70
Remote Tripping
72
Frequency Tracking
73
Trip Circuit Supervision - 74TCS
74
Circuit Breaker Supervision
77
Oscillography
78
MEASURES, LOGIC STATES and COUNTERS Measures
79
Protection
79
Delayed Inputs
79
Internal States
79
Relays
79
Counters
79
Self Test
80
Fault Recording - SFR
80
Event Recording - SER
81
Oscillography - DFR
81
Installation
83
Packaging
83
Mounting
83
Electrical Connections
87
Led Allocation
93
Final Operations
93
Programming and Settings
94
Sw Thysetter
94
MMI (man Machine Interface)
95
Menu Tree
98
Maintenance
102
Repair
102
Packaging
102
Appendix A1 - I/O Diagram
103
Appendix A2 - Interfaces
104
Appendix A3 - Protective Functions
105
Appendix A4 - Connection Diagrams
106
Appendix B - Dimensions
107
Appendix C - Setting Table
108
Appendix D - Revision History
145
Appendix E - Ec Declaration of Conformity
146

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Thytronic NV021 Protective Relay System Manuals

Thytronic NV021 Manual (146 pages)

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