Document Outline

• COVER
• INTRODUCTION
• REVISION HISTORY
• CONTENTS
• SECTION 1 • GENERAL INFORMATION
  • Introduction
  • Description
  • Application
    • Single-Phase
    • Three-Phase
    • Percentage Restraint
    • Second-Harmonic Restraint
    • Fifth-Harmonic Restraint
    • Unrestrained Trip
  • Options
    • Push-To-Energize Output Pushbuttons
    • Auxiliary Output Contacts
    • Power Supply
  • Model and Style Number
    • Style Number Example
  • Specifications
• SECTION 2 • CONTROLS AND INDICATORS
  • Location of Controls and Indicators
• SECTION 3 • FUNCTIONAL DESCRIPTION
  • General
  • Description
    • Current Transformers
    • Scaling
    • Summing
    • 30° Internal Phase Shift (Three-Phase Relays ONLY)
    • Restrained Trip Output
      • Percentage Restraint
      • Harmonic Restraints
    • Unrestrained Trip Output
    • Auxiliary Relay Option
    • Power Supply
    • Power Supply Status Output (Optional)
    • Target Indicators (Optional)
    • % of Trip
• SECTION 4 • INSTALLATION
  • General
  • Relay Operating Precautions
  • Mounting
  • Dielectric Test
  • Connections
  • Relay Disassembly
    • Precautions
    • Circuit Board Removal Procedure
  • Disabling Unused Inputs
    • Single-Phase Units
      • Single-Phase Units with Option 1-0
      • Single-Phase Units with Option 1-1
    • Three-Phase Units
      • Three-Phase Units with Option 1-0
      • Three-Phase Units with Option 1-1
      • For Three-Phase Units with Input Sensing Type E (two inputs per phase)
      • For Three-Phase Units with Input Sensing Type G (three inputs per phase)
  • Sensing Connection Diagrams
    • Single-Phase Input Sensing Connections
    • Three-Phase Input Sensing Connections
      • Phase Shift Compensation
      • Advantages of Internal Phase Compensation
      • 30° Phase Shift Compensation Adjustment Procedure
  • Setting the BE1-87T
    • Method
    • Procedure One
      • Tap and Phase Shift Settings
        • (See Figure 4-34 for 3-phase connections.)
      • Verify CT Performance
      • Instantaneous (Unrestraint) Unit Setting
      • Slope Setting
    • Procedure Two
      • Data
      • Tap and Phase Shift Settings
      • Verify CT Performance
      • Instantaneous (Unrestraint) Unit Setting
      • Slope Setting
  • Checking the Relay Settings and System Inputs
  • Maintenance
  • Storage
  • Test Plug
• SECTION 5 • TEST PROCEDURES
  • Overview
  • Equipment Required
  • Restrained Pickup Testing Examples
    • Increasing One Input from Balance
    • Decreasing One Input from Balance
  • Test Setup Diagrams
  • Verification Tests: 5 Amp CT, 50 or 60 Hz Units
    • Restrained Pickup Verification
    • Input (or Tap) Switch Verification
    • Unrestrained Pickup Verification
    • Second-Harmonic Restraint Verification
    • Fifth-Harmonic Restraint Verification
    • Response Time Verification
  • Verification Tests: 1 Amp CT, 50 or 60 Hz Units
    • Restrained Pickup Verification
    • Input (or Tap) Switch Verification
    • Unrestrained Pickup Verification
    • Second-Harmonic Restraint Verification
    • Fifth-Harmonic Restraint Verification
    • Response Time Verification
  • Operational Test Procedures
    • Restrained Pickup
    • Unrestrained Pickup
    • Second-Harmonic Inhibit
    • Fifth-Harmonic Inhibit
  • Testing Three-Phase Units without Changing Jumpers
    • Jumper Positions WYE-WYE
    • Jumper Positions WYE-(1
    • Jumper Positions WYE-(2
    • Jumper Positions (1-(1
    • Jumper Positions (2-(2
    • Jumper Positions (1-(2
• SECTION 6 • DIFFERENCE DATA
  • General
  • Differences
  • Compatibility
  • Connections
• APPENDIX A • SETTING NOTES
  • Introduction
  • Setting Note 1
  • Setting Note 2
  • Setting Note 3
  • Setting Note 4
  • Setting Note 5
    • Slope Margin
  • Setting Note 6
    • Inrush vs. Unrestraint Tap
  • Setting Note 7
    • CT Performance Evaluation: Saturation Factor
    • Saturation Factor Defined from the ANSI C Classification
    • Saturation Factor Defined from the CT Excitation Curve
    • Saturation Factor Definitions Compared
    • Conclusion