Siemens 7SG23 MSCDN - MP2A Manuals

Manuals and User Guides for Siemens 7SG23 MSCDN - MP2A. We have 1 Siemens 7SG23 MSCDN - MP2A manual available for free PDF download: Manual

Siemens 7SG23 MSCDN - MP2A Manual

Siemens 7SG23 MSCDN - MP2A Manual (82 pages)

Capacitor Unbalance Protection

Brand: Siemens | Category: Protection Device | Size: 3 MB

Table of Contents

Table of Contents

4
- Introduction
  5
- Hardware Description
  5
  - General
    5
  - Figure 1 - MSCDN-MP2A Overview
    5
  - Analogue Inputs
    6
  - Status Inputs
    6
  - Output Relays
    6
  - Fascia LEDS
    6
  - Self Monitoring
    6
    
    Protection Healthy/Defective
    7
- Protection Functions
  7
- Other Features
  8
  - Metering
    8
  - Data Storage
    8
    
    General
    8
    
    Waveform Records
    8
    
    Event Records
    8
    
    Fault Recording
    9
  - Time Synchronisation
    9
    
    IRIG-B Time Synchronisation
    9
    
    IEC 60870-5-103 Time Synchronisation
    9
    
    Real Time Clock Time Synchronisation
    9
  - Communications
    9
  - Settings Groups
    9
  - Password Feature
    10
- User Interface
  10
  - Liquid Crystal Display
    10
  - Back Light Control
    10
  - LED Indications
    10
  - Keypad
    10
  - Relay Identifier
    10
  - Settings Mode
    11
    
    Settings Adjustment
    11
    
    Settings and Displays
    11
  - Instruments Mode
    12
    
    Hidden Instruments
    13
  - Fault Data Mode
    13
- Diagrams
  14
- Figure 2 - Modular II Relay in E16 Case with Front Panel Open
  14
- Figure 3 - Modular II Relay Rear View
  14
- Figure 4 - Menu Structure
  15
Table of Contents

17
- Accuracy Reference Conditions
  18
- Introduction
  18
- Modular II Specification
  18
  - Environmental Withstand
    18
  - Auxiliary Energizing Quantity
    20
  - Current Inputs
    20
  - Voltage Inputs
    20
  - Rated Frequency
    20
  - Accuracy Influencing Factors
    21
  - Output Contacts
    21
  - Status Inputs
    21
  - Auxiliary Timer Accuracy
    22
  - Indication
    22
  - Settings and Configuration
    22
  - Recording
    22
  - Communications
    22
  - Irig-B Time Synchronisation
    23
- Protection Elements
  23
  - Common Performance
    23
  - 87/50-X-X Overall Differential
    23
  - C1/2 50-X Capacitor Unbalance
    23
  - Cap Bank Phase Unbalance
    23
  - R1/2 49 Resistor Thermal Overload
    24
  - Resistor Open Circuit
    24
  - Reactor Thermal Overload
    24
  - Backup Overcurrent
    24
  - Backup Earth Fault
    25
  - Backup Overcurrent
    25
  - Derived Earth Fault
    26
  - Undervoltage
    27
  - 59DT Definite Time Overvoltage
    27
  - 59IT Inverse Time Overvoltage
    28
  - VT Supervision
    28
Table of Contents

30
- MSCDN-MP2A Relay Setting List
  31
  - System Config Menu
    31
  - CT/VT Config Menu
    31
  - Thermal Menu
    31
  - Open Circuit Menu
    32
  - Status Input Menu
    32
  - Reylogic Control Menu
    33
  - Reylogic Element Menu
    33
  - Output Relay Menu
    33
  - LED Menu
    34
  - Data Storage Menu
    35
  - Communications Menu
    35
- Instruments
  36
- IEC 60870-5-103 Communications Information
  37
  - IEC 60870-5-103 Semantics in Monitor Direction
    37
  - IEC 60870-5-103 Semantics in Control Direction
    39
- Reylogic Diagrams
  40
- Label Inserts
  42
Resistor Thermal Overload Protection/Resistor Open Circuit Protection

55
- Resistor Thermal Overload Protection
  56
  - Fault Setting Principles
    56
  - Setting Example
    58
- Resistor Open Circuit Protection
  60
  - Fault Setting Principles
    60
  - Setting Example
    60
Table of Contents

66
- Introduction
  67
- Safety
  67
- Sequence of Tests
  67
- Test Equipment Required
  67
- Insulation Resistance Test
  68
- Power Supply
  68
- Programming the Relay
  69
  - Setting by Laptop
    69
  - Setting Via Relay Fascia
    69
- Secondary Injection Tests
  69
- Primary Injection Tests
  72
- Putting into Service
  72
- Tripping and Intertripping Tests
  72

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