GE SR345 Manuals

Manuals and User Guides for GE SR345. We have 1 GE SR345 manual available for free PDF download: Instruction Manual

GE SR345 Instruction Manual (262 pages)

Transformer Protection System

Brand: GE | Category: Protection Device | Size: 6.01 MB

Table of Contents
3
Introduction
7
Overview
7
Cautions and Warnings
8
Description of the 345 Transformer Protection System
9
345 Order Codes
13
Specifications
14
Password Security
14
Protection
14
Metering
16
Data Capture
16
Controls
17
Inputs/Outputs
17
Power Supply
18
Communications
19
Testing and Certification
19
Installation
21
Dimensions
21
Product Identification
22
Mounting
23
Unit Withdrawal and Insertion
24
Electrical Installation
26
Terminal Identification
27
Phase Sequence and Transformer Polarity
29
Current Inputs
30
Ground and Sensitive Ground CT Inputs
30
Zero Sequence CT Installation
31
Control Power
32
Contact Inputs
32
Trip1 and Trip2 Output Relays
33
Serial Communications
35
Irig-B
36
INTERFACES Front Control Panel Interface
39
Description
39
Display
39
Working with the Keypad
39
LED Status Indicators
41
Relay Messages
42
Target Messages
42
Self-Test Errors
43
Flash Messages
44
Software Setup
45
Quick Setup - Software Interface
45
Enervista SR3 Setup Software
45
Hardware and Software Requirements
46
Connecting Enervista SR3 Setup to the Relay
49
Configuring Serial Communications
49
Using the Quick Connect Feature
50
Configuring Ethernet Communications
51
Connecting to the Relay
52
Working with Setpoints and Setpoint Files
53
Engaging a Device
53
Entering Setpoints
53
File Support
54
Using Setpoints Files
54
Downloading and Saving Setpoints Files
55
Adding Setpoints Files to the Environment
56
Creating a New Setpoint File
56
Upgrading Setpoint Files to a New Revision
57
Printing Setpoints and Actual Values
58
Printing Actual Values from a Connected Device
59
Loading Setpoints from a File
60
Upgrading Relay Firmware
60
Loading New Relay Firmware
60
Advanced Enervista SR3 Setup Features
62
Transient Recorder (Waveform Capture)
62
Protection Summary
65
Password Security
66
Actual Values
69
A1 Status
71
Clock
72
Contact Inputs
72
Output Relays
73
Logic Elements
73
Virtual Inputs
73
Remote Inputs
73
Remote Outputs
74
Contact Inputs Summary
74
Output Relays Summary
74
Logic Elements Summary
75
GOOSE Status
75
GOOSE HDR Status
75
A2 Metering
76
A3 Records
80
Event Records
80
Transient Records
99
Clear Event Record
99
Clear Transient Record
99
Clear Thermal Capacity Record
99
A4 Target Messages
100
Quick Setup - Front Control Panel
107
Setpoints
113
Setpoint Entry Methods
114
Common Setpoints
114
Logic Diagrams
115
Setting Text Abbreviations
115
S1 Relay Setup
117
Clock
118
Password Security
119
Passwords
121
Communications
122
RS485 Interface
123
Ethernet
123
Modbus
124
IEC 60870-5-103 Serial Communication
125
DNP Communication
140
Event Recorder
155
Transient Recorder
156
Front Panel
157
Installation
158
S2 System Setup
159
Current Sensing
159
Power System
160
Transformer
161
Transformer Setup Phase & Magnitude Compensations
162
Winding Breakers
173
S3 Protection
176
Setpoint Group 1(2)
177
Transformer Percent Differential
179
Transformer Instantaneous Differential
185
Restricted Ground Fault
187
Transformer Thermal Protection
192
Phase Timed Overcurrent Protection
195
Phase Instantaneous Overcurrent Protection
202
Ground Instantaneous Overcurrent Protection
209
Neutral Instantaneous Overcurrent Protection
215
Negative Sequence Timed Overcurrent Protection
218
S4 Controls
221
Change Setpoint Group
221
Virtual Inputs
223
Logic Elements
224
Winding Breaker Failure
238
S5 Inputs/Outputs
241
Contact Inputs
241
Output Relays
242
Auxiliary Output Relays 3 to 6
246
Virtual Inputs
246
Remote Inputs
248
Remote Outputs
248
Maintenance
249
M3 Breaker Maintenance
253
W1 (W2) Breaker Trip Coil
253
M4 Breaker Monitor
257
M5 Relay Maintenance
258
Ambient Temperature
258

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