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EntelliGuard TU
GE EntelliGuard TU User Manual
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Table of Contents
Table of Contents
4
Section 1 - General Information
7
Introduction
7
Abbreviations and Acronyms
7
Product Description
7
Appearance
7
LCD Access
7
Table 1: Abbreviations and Acronyms
7
Figure 1: Front Panel View - Power Break II and Wavepro Trip Units
7
Figure 2: Front Panel View - Power Break I and AKR Trip Units
7
Figure 3: Front Panel View - Entelliguard G Trip Units
7
Electrical Requirements
8
Equipment Interfaces
8
Communications
8
Modbus
8
Figure 4: Trip Unit Keypad
8
Profibus
9
Over Current Protection Functions
9
Long Time
9
Short Time
9
Table 2: Short Time Breaker Type and Frame
9
Figure 5: Long Time Pickup Setting
9
Figure 6: Short Time Pickup Time Current Curve
9
Adjustable Selective Instantaneous Protection
10
Reduced Energy Let-Through Instantaneous Protection (RELT)
10
Table 3: Short Time Delay Slope Settings
10
Table 4: Maximum Instantaneous for Power Break I, Power Break I, Wavepro and AKR Trip Units
10
Ground Fault Protection
11
Table 5: Maximum Instantaneous Thresholds for Power Break I, Power Break I, Wavepro and AKR Trip Units
11
Table 6: Ground Fault Pickup Settings
11
Table 7: Sensor Settings and Ratings
11
Table 8: Ground Fault Time Delay Bands, 50 Hz and 60Hz
11
Protective Relay
12
Voltage Unbalance Relay
12
Current Unbalance Relay
12
Under Voltage Relay
12
Under Voltage Relay Zero-Volt Trip Enable
12
Over Voltage Relay
12
Power-Reversal Relay
12
Power Direction Setup
12
Potential Transformer Primary Voltage
12
Potential Transformer Connection
12
Power Demand Intervals
13
Communication Address
13
Bell Alarm-Alarm Only/Bell Alarm with Lock-Out Accessory Configuration Setup (Applies to Power Break II and Wavepro Trip Units Only)
13
Settings Description
13
Input
13
Output
13
Table 14: Input Assignments
13
Table 15: Output Configuration
13
Current Alarm
14
Zone Select Interlock
14
ZSI Option
14
High Set Instantaneous Protection (HSIOC)
14
Making Current Release (MCR)
14
Table 16: Metering Data
15
Power Requirements
15
Metering Function
15
Section 2 Lifting, Mounting and Installation
16
Trip Unit Removal and Replacement
16
Power Break I and Power Break II Insulated Case Circuit Breakers
16
Wavepro Circuit Breakers
16
AKR (225 a to 5000 a Frames) Circuit Breakers
17
Figure 7: Removing the Old Trip Unit
17
Figure 8: AKR Circuit Breaker with Trip Unit
17
Figure 9: Installing the New Trip Unit
17
Entelliguard Circuit Breaker Installation
18
Figure 10: Trip Unit Removal Sequence, Step a
18
Figure 11: Trip Unit Removal Sequence, Step B
18
Figure 12: Trip Unit Removal Sequence, Step C
18
Figure 13: Trip Unit Removal Sequence, Step D
18
Section 3 - Operation
19
Circuit Breaker Opening
19
Waveform Capture
19
Event Logging
19
Table 17: Trigger Waveform Capture Events
19
Led Status Indicator
20
Operating Modes
20
Table 18 LED Operation
20
Figure 14: Operating Modes and Functions Overview
20
Figure 15: Five Function Keys
20
Setup Mode
21
Entering Setpoints into Memory
21
Long Time Pickup
21
Long Time Delay
21
Short Time Pickup
21
Short Time Delay
21
Reduced Instantaneous Let-Through Instantaneous Protection (RELT)
21
Ground Fault Protection
22
Internal Residual Summation
22
External Sensed Zero Sequence Input
22
Ground Fault Pickup Settings
22
Ground Fault Time Delay Bands
22
Table 19: Ground Fault Time Delay
22
Table 20: Minimum Pickup and Clear Time
22
Section 4 - Battery
23
General Battery Information
23
Battery Function
23
Battery Replacement
23
Section 5- Maintenance and Troubleshooting
24
Maintenance
24
Rating Plug Removal and Replacement
24
Troubleshooting
24
Figure 16: Rating Plug Removal
24
Table 21: Troubleshooting Guide
25
Appendix 1: Communications Parameters
26
Table 22: Communications Parameters - Modbus Function 2
26
Table 23: Communications Parameters - Modbus Function 3
26
Table 24: Communications Parameters - Modbus Function 4
32
Table 25: Communications Parameters - Modbus Function 5
36
Appendix 2: Operating Modes and Functions Specifics
37
Figure 17: SETUP Mode
37
Figure 18: METER Mode (Wye and Delta Systems)
41
Figure 19: STATUS Mode
42
Figure 20: EVENTS Mode
42
4
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GE EntelliGuard TU Specifications
General
Brand
GE
Model
EntelliGuard TU
Category
Control Unit
Language
English
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