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Manuals and User Guides for GE DBF. We have
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GE DBF manual available for free PDF download: Instructions Manual
GE DBF Instructions Manual (65 pages)
Digital Breaker Failure Protection
Brand:
GE
| Category:
Power Supply
| Size: 0.65 MB
Table of Contents
Table of Contents
4
List of Figures
6
1 General Description and Application
8
General Description
8
2 Operation Logic
10
Protection Functions
10
Overcurrent Units
10
Monitoring and Recording Functions
12
Measurement
12
Associated Breaker Status
12
Target Lamps
12
Circuit Breaker Breaking Capacity Monitoring
16
Built-In Self-Checking Unit
17
Analysis Functions
17
Event Recorder
17
Oscillography
17
Control
19
Tables of Settings
19
Time Synchronization
20
Configurable Inputs and Outputs
20
Man-Machine Interface (Hmi)
22
Remote Communications
23
3 Settings
24
4 Technical Characteristics
28
Model List
28
Special Models
28
Technical Characteristics
29
5 Hardware Description
32
Physical Description
32
Case
32
Electrical Connections
32
Internal Construction
32
Operating Theory
34
Magnetic Module
34
CPU Board
34
Power Supply
35
Keyboard and Display
35
6 Acceptance Tests
36
Connections and Necessary Equipment
36
Visual Inspection
36
Panel Insulation Tests
36
Relay Setting
37
Indicators
37
Power Supply
37
Communications
38
Inputs
39
Digital Inputs
39
IRIG-B Synchronizing Input
39
Functions
40
50BF 1P Unit Test
40
50BF 3P Unit Test
41
Internal Arc Test
42
No I Function
42
Neutral Overcurrent Unit Test
42
Relay Measurement Tests
44
Current Measurement
44
Timing Measurement
44
7 Installation and Maintenance
46
Installation
46
Connection-To-Ground and Disturbances Suppression
46
Maintenance
46
8 Keyboard and Display
48
Menu Tree
49
Settings Group (Set Key)
50
Information Group (Inf Key)
53
Control Group (Act Key)
54
Single Key Menu
55
Configuration Menu
56
Figures
58
Figure 1 Breaker Failure Logic (189C4114 Sheet 2)
59
Figure 2. External Connections (189C4114 Sheet 1)
60
Figure 6 Panel Drilling (226B6086H10)
64
Figure 7 Rs232 Connection (Dbf Relay to Pc)
65
Figure 8 Rs232 Connection (Dbf Relay to Modem)
65
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