Schweitzer Engineering Laboratories SEL-267D Manuals

Manuals and User Guides for Schweitzer Engineering Laboratories SEL-267D. We have 1 Schweitzer Engineering Laboratories SEL-267D manual available for free PDF download: Instruction Manual

Schweitzer Engineering Laboratories SEL-267D Instruction Manual

Schweitzer Engineering Laboratories SEL-267D Instruction Manual (123 pages)

PHASE AND GROUND DIRECTIONAL OVERCURRENT RELAY WITH RECLOSER AND FAULT LOCATOR

Brand: Schweitzer Engineering Laboratories | Category: Relays | Size: 2 MB

Table of Contents

Table of Contents

12
- Introduction
  
  16
  - Getting Started
    16
  - Overview
    16
  - Basic Protective Capabilities
    17
  - General Information
    18
- Specifications
  
  21
  - Relay Standards and Input Parameters
    21
  - Detailed Specifications
    23
  - Hardware Description
    25
  - Figure 2.1: Hardware Block Diagram
    25
  - Signal Processing
    26
  - Inputs and Outputs
    26
  - Table 2.2: Input Parameters
    27
  - Table 2.3: Relay Outputs
    29
  - Definition of Logic Variables
    30
  - Logic Description
    31
  - Intermediate Logic
    33
  - Relay Word
    34
  - Table 2.4: Relay Word
    34
  - Output Equations
    35
  - Table 2.5: Relay Word Bit Summary
    35
  - Figure 2.2: Programmable Trip Logic Diagram
    36
  - Reclosing Relay
    37
  - Targets
    37
  - Table 2.6: Front Panel Target Conditions for Illumination
    37
  - Self Tests
    38
  - Table 2.7: Power Supply Self Test Limits
    38
  - Setting Procedure
    40
  - Table 2.8: Self Test Summary
    40
  - Event Report
    41
  - Fault Locator
    41
  - Directional Elements
    44
  - Time-Overcurrent Elements and Curves
    45
  - Time-Overcurrent Curve Equations
    46
  - Logic Diagrams
    51
  - Introduction
    56
  - Serial Port Connections and Configurations
    57
  - Communications Protocol
    57
  - Command Characteristics
    59
  - Command Descriptions
    61
  - Table 3.1: Hexadecimal/Binary Conversion
    68
  - Table 3.2: Target LED Assignment
    70
  - Command Summary
    78
Event Reporting

80
- Introduction
  81
- Example Event Report
  82
- Interpretation of Voltage and Current Data
  83
- Relay Elements Status Indicators
  85
- Firmware Identification
  87
- Sample Event Report
  88
Installation

89
Maintenance & Testing

101
- Initial Checkout
  102
- Table 6.1: Fault Listings
  105
- Table 6.2: Fault Results
  105
- Functional Tests
  106
- Calibration
  110
- Troubleshooting Guide
  110
- Troubleshooting Table
  110

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