Woodward MRIK3-C Manuals

Woodward MRIK3-C Manuals

Manuals and User Guides for Woodward MRIK3-C. We have 1 Woodward MRIK3-C manual available for free PDF download: Manual

Woodward MRIK3-C Manual

Woodward MRIK3-C Manual (90 pages)

Digital time overcurrent relay with Control function and auto reclosing

Brand: Woodward | Category: Relays | Size: 1 MB

Table of Contents

Table of Contents
3
1 Comments on the Manual

7
2 Introduction and Application

10
3 Characteristics and Features

10
4 Design

11
- Connections
  11
  - Analog Input Circuits
    13
  - Output Relays
    13
  - Digital Inputs
    13
  - Low/High Range of the Digital Inputs
    14
- Password
  15
  - Code Jumpers
    15
  - Password Programming
    15
- Front Plate (for -ICE Relay Type)
  16
  - Indicating Leds
    16
  - Adjusting Leds
    16
- Front Plates (for -ER/-XR-Relay Types)
  17
  - Indicating Leds
    17
  - Adjusting Leds
    17
5 Working Principle

18
- Analogue Circuits
  18
- Digital Circuits
  18
- Status Descriptions
  18
  - Inactive
    18
  - Reclaim Time" Tr
    18
  - AR-Ready
    19
  - AR-Starting" (Dead Time)
    19
  - AR-Cycle" (Auto Reclosing)
    19
  - AR-Blocked
    19
  - Fast Trip Mode
    19
  - Blocking Mode
    19
  - Activating of AR
    19
  - Description of the Status Transition
    20
  - AR Information Inputs
    20
- Functional Sequence
  21
- Earth Fault Protection
  26
  - Generator Stator Earth Fault Protection
    26
  - System Earth Fault Protection
    26
- Earth-Fault Directional Feature (ER/XR-Relay Type)
  27
- Control Functions
  29
- Introduction
  29
- Interlocking / Password for Control Mode
  29
- Operating Assignment of C.B. Control
  29
- Changing the Operating Assignment
  29
- Saving the Operating Assignment
  30
- Remote Switching on and off of the C.B
  30
- Switching on or off the C.B. Via the Front Panel (LCAL)
  30
- Handling of the Control Function
  31
- Display for the Control Functions
  33
- LED-Indication under Normal Mode
  34
- LED-Indication Auto Reclosing Conditions (AR)
  35
- Requirement on the Main Current Transformers
  36
6 Operation and Adjustments

37
7 Notes on Relay Tests and Commissioning

64
8 Technical Data

72
- Measuring Input
  72
- Common Data
  72
- Setting Ranges and Steps
  73
  - System Parameter
    73
  - Time Overcurrent Protection (I-Type)
    74
  - Earth Fault Protection (E - Type)
    74
  - Earth Fault Protection (ER/XR-Type)
    74
  - AR Parameter
    75
  - Control Function
    76
  - Interface Parameter
    76
  - Parameter for the Fault Recorder
    76
- Tripping Characteristics
  77
  - Inverse Time Overcurrent Protection Relay
    77
  - Determination of Earth Fault Direction (MRIK3-ER/XR)
    77
- Tripping Characteristics
  78
- Output Relays
  81

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