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GE Multilin 565 User Manual

GE Multilin 565
198 pages
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565/575
FEEDER MANAGEMENT RELAY
®
Instruction Manual
Software Rev: E2.73
Manual P/N: 1601-0017-E6
Copyright 1996 GE Multilin
CANADA USA
215 Anderson Avenue, Markham, Ontario, L6E 1B3 9746 Whithorn Dr., Houston, Texas, 77095
Tel: (905) 294-6222 Fax: (905) 294-8512 Tel: (713) 855-1000 Fax: (713) 859-1091

Table of Contents

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GE Multilin 565 Specifications

General IconGeneral
BrandGE Multilin
Model565
CategoryOther
LanguageEnglish

Summary

SECTION 1: INTRODUCTION

Setpoint Programming

Details local setpoint programming via keypad and LCD, with step-by-step instructions.

SECTION 2: INSTALLATION

Programming Port

Explains the front panel RS232 port for connecting a computer for setpoints and data retrieval.

SECTION 3: PROTECTION APPLICATION INFORMATION

Overcurrent Protection

Explains continuous monitoring of phase/ground currents and initiation of alarms or trips.

SECTION 4: DISPLAY AND KEYBOARD

Actual Values Mode

Explains viewing monitored parameters using LINE UP/DOWN and PAGE keys.

Setpoints Mode

Details viewing and entering relay setpoints, including user levels.

SECTION 7: FEATURE INFORMATION

Event Recording Information

Explains the event recording feature, definitions, types, storage, and format.

SECTION 8: RELAY TESTING

Primary Injection Testing

Describes checking system operation by injecting current and providing potential source.

Secondary Injection Testing

Details single-phase injection testing applicable to the relay and its setpoints.

Phase Current Input Function Check

Verifies the relay reads phase current signals correctly from CTs using a test setup.

Phase Instantaneous Pickup and Trip Check

Guides on testing phase A instantaneous overcurrent pickup and trip functionality.

Phase Overcurrent Curve Verification

Explains how to verify the selected overcurrent curve shape and number against theoretical trip times.

Ground Current Input Function Check

Determines if the relay correctly reads ground current values using the test setup.

Ground Instantaneous Pickup and Trip Check

Details testing ground current conditions by injecting current and checking relay activation.

Ground Curve Verification

Guides on verifying the ground protection curve and its measured time against specifications.

Voltage Input Function Check

Checks if the relay correctly reads VT nominal secondary voltage and feeder primary volts.

Undervoltage Trip and Alarm Check

Details enabling and testing undervoltage trip and alarm functions by adjusting phase voltage.

Overvoltage Trip and Alarm Check

Explains enabling and testing overvoltage trip and alarm functions by increasing phase voltage.

Power Loss Check

Verifies that fault indication and setpoints remain unaffected after power interruption.

SECTION 9: TECHNICAL SPECIFICATIONS

Phase Overcurrent Protection

Specifies ranges and selections for timed and instantaneous overcurrent pickup and delay.

Ground Overcurrent Protection

Details ranges and selections for timed and instantaneous ground overcurrent pickup and delay.

Phase Current Inputs

Lists CT secondary/primary ratings, saturation, burden, and ratings.

Ground Current Input

Details CT secondary/primary ratings, saturation, burden, and ratings for ground current.

Voltage Inputs

Covers input configurations, burden, display accuracy, and RMS values for voltages.

Overvoltage Alarm and Trip

Specifies pickup and delay ranges for overvoltage alarms and trips.

Undervoltage Alarm and Trip

Details pickup and delay ranges for undervoltage alarms and trips.

APPENDIX B

Troubleshooting guide.

Lists common malfunctions with actions and references for diagnosis and resolution.

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