GE Industrial Solutions EntelliGuard TU Trip Units User Manual
Page 4
EntelliGuard TU Trip Units: UL/ANSI Models
DEH-4567B
iv
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TABLE OF CONTENTS
SECTION 1.
General Information ................................................................................................................................................................ 1
Front Panel Display ............................................................................................................................................................................................................................ 1
Menu Access .......................................................................................................................................................................................................................................... 2
Electrical Requirements ................................................................................................................................................................................................................... 3
Equipment Interfaces ........................................................................................................................................................................................................................ 3
Definitions ............................................................................................................................................................................................................................................... 3
GTU Order Code ................................................................................................................................................................................................................................... 4
Setup Software ..................................................................................................................................................................................................................................... 4
Installing the Setup Software .................................................................................................................................................................................................. 4
System Requirements ............................................................................................................................................................................................................ 4
Installation Procedure ............................................................................................................................................................................................................ 5
Rating Plugs & the Universal Rating Plug ............................................................................................................................................................................... 5
WaveForm Capture ............................................................................................................................................................................................................................ 5
Event Logging .................................................................................................................................................................................................................................. 6
SECTION 2.
Protection ................................................................................................................................................................................... 7
Overcurrent Protection Functions .............................................................................................................................................................................................. 7
Long Time Protection ........................................................................................................................................................................................................................ 7
Long Time Pickup ........................................................................................................................................................................................................................... 7
Long Time Delay ............................................................................................................................................................................................................................. 7
Thermal Long Time Overcurrent ............................................................................................................................................................................................ 7
Thermal Memory ............................................................................................................................................................................................................................ 8
Fuse Shaped Steep Long Time Overcurrent .................................................................................................................................................................... 8
Short Time Protection ....................................................................................................................................................................................................................... 9
Short Time Pickup .......................................................................................................................................................................................................................... 9
Short Time Delay ......................................................................................................................................................................................................................... 10
Short Time Slope .......................................................................................................................................................................................................................... 10
Instantaneous Protection ............................................................................................................................................................................................................ 11
WaveForm Recognition vs. Peak Sensing ...................................................................................................................................................................... 11
Reduced Energy Let Through (RELT) ................................................................................................................................................................................. 11
Ground Fault Protection ............................................................................................................................................................................................................... 12
Ground Fault Summation ....................................................................................................................................................................................................... 12
Ground Fault CT ........................................................................................................................................................................................................................... 12
Ground-Fault Delay ................................................................................................................................................................................................................... 13
Alarms .................................................................................................................................................................................................................................................... 13
Ground Fault Alarms ................................................................................................................................................................................................................. 13
Current Alarm................................................................................................................................................................................................................................ 13
Zone Selective Interlocking ......................................................................................................................................................................................................... 14
ZSI Option ........................................................................................................................................................................................................................................ 15
Interruption Protection .................................................................................................................................................................................................................. 16
Making Current Release (MCR) ............................................................................................................................................................................................. 16
High Set Instantaneous Protection (HSIOC) .................................................................................................................................................................. 16
Breaker Interface Module (BIM) ........................................................................................................................................................................................... 16
BIM Transaction Details ...................................................................................................................................................................................................... 16
Protective Relays .............................................................................................................................................................................................................................. 17
Voltage Unbalance ..................................................................................................................................................................................................................... 17
Current Unbalance ..................................................................................................................................................................................................................... 17
Undervoltage Relay ................................................................................................................................................................................................................... 17
Zero Voltage Trip ......................................................................................................................................................................................................................... 17
Overvoltage Relay....................................................................................................................................................................................................................... 17
Power Reversal Relay................................................................................................................................................................................................................ 18
Power Direction Setup......................................................................................................................................................................................................... 18
Potential Transformer Voltage........................................................................................................................................................................................ 18