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GE MLJ1000 Manuals
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GE MLJ1000 manual available for free PDF download: Manual
GE MLJ1000 Manual (42 pages)
DIGITAL SYNCHRONISM CHECK RELAY
Brand:
GE
| Category:
Relays
| Size: 0.29 MB
Table of Contents
Table of Contents
2
1 Description
5
2 Application
6
Design Characteristics
6
Applications
8
3 Operation Principles
12
Configuration Unit
12
GENERAL Settings
12
Synchronism Check Unit
12
Mode of Operation
13
Settings
14
Failure of Closure Conditions
14
Undervoltage Unit
15
Mode of Operation
15
Settings
15
Input Units
16
Self-Check Unit
16
Mode of Operation
16
Output Units
17
Mode of Operation
17
Settings
17
Power Supply
18
4 Technical Characteristics
19
Model List
19
Insulation
20
Type Tests
21
5 Description of Hardware
22
Case
22
Internal Connections
22
Identification
22
Mlj Front Devices
22
6 Operation of Mlj (Keypad and Display)
24
Readout Sequence
25
F0: State of Relay, Error Codes
26
F1, F2: VL, VB, Voltage in Line and Buses
26
F3: ∆ V Voltage Difference Module
26
F4: ∆Θ Phase Angle
26
F5: ∆ F Frequency Slip
26
F6, F7, F8, F9, and F10 Magnitudes Recorded
27
F11: TEST Display and Inputs Test
27
F12: VL VB State of Line and Buses
27
Sequence of Settings
27
Calibration Sequence
29
Summary of Settings
30
7 Acceptance Tests
32
Introduction
32
Visual Inspection
32
Insulation
32
Synchronism Unit
32
Voltage Unit Test
33
Angle Unit Test
33
Undervoltage Unit
33
Continuous and Manual Mode Tests
34
Calibration
34
Grounding
34
Figure 1 Logical Diagram of Operation (226B2202H2)
36
Figure 2 Nameplate (226B1276H1)
37
Figure 3 Outline and Panel Drilling (226B6086H1)
38
Figure 4 Rear Terminal Plate (226B3205H1)
39
Figure 5 External Connections (226B6265H1)
40
Figure 6 Internal Settings (301A7408H1)
41
Figure 7 Block Diagram (226B2201H1)
42
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