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CONTENTS
SECTION 1.0 GENERAL INFORMATION
..................................................................... 1-1
1.1 Description............................................................................................... 1-1
1.2 Specifications........................................................................................... 1-1
Electrical Specifications
........................................................................... 1-1
Physical Specifications
............................................................................ 1-2
1.3 Optional Features .................................................................................... 1-2
1.4 Accessories ............................................................................................. 1-3
1.5 Model Number Description and Selection ............................................... 1-3
Typical Model Number
............................................................................. 1-4
Model Number Designations
.................................................................... 1-4
SECTION 2.0 PRINCIPLES OF OPERATION
............................................................... 2-1
2.1 Functional Circuits ................................................................................... 2-1
Overall Block Diagram
............................................................................. 2-1
2.2 Application Information ............................................................................ 2-1
2.3 Parallel Compensation............................................................................. 2-2
SECTION 3.0 INSTALLATION
....................................................................................... 3-1
3.1 Mounting.................................................................................................. 3-1
Outline Drawing
....................................................................................... 3-1
3.2 Interconnection ........................................................................................ 3-2
Voltage Adjust Potentiometer P/N (03456)
.............................................. 3-2
Paralleling Potentiometer P/N (03469)
.................................................... 3-2
Brush Type Rotary Exciter Interconnection
............................................. 3-5
Brushless Type Rotary Exciter (or Static Exciter)
Interconnection ........................................................................................ 3-6
3.3 Parallel Compensation............................................................................. 3-6
3.4 Reactive Droop Compensation (Droop)................................................... 3-7
3.5 Reactive Droop Compensation (Cross-Current)...................................... 3-7
Reactive Differential (Cross-Current) Compensation CT
Interconnection ........................................................................................
3-8
Top View of Voltage Regulator ................................................................
3-8
SECTION 4.0 OPERATION
............................................................................................ 4-1
4.1 General.................................................................................................... 4-1
4.2 Operation at Reduced Speeds ................................................................ 4-1
4.3 Voltage Shutdown.................................................................................... 4-1
4.4 Adjustments............................................................................................. 4-2
4.5 Wiring ..................................................................................................... 4-2
4.6 Initial Operation........................................................................................ 4-2
4.7 Field Flashing........................................................................................... 4-4
4.8 Parallel Operation .................................................................................... 4-4
SECTION 5.0 MAINTENANCE, REPLACEMENT PARTS AND
TROUBLESHOOTING
........................................................................... 5-1
5.1 Preventive Maintenance .......................................................................... 5-1
5.2 Corrective Maintenance........................................................................... 5-1
Operational Test
...................................................................................... 5-1
5.3 Replacement Parts .................................................................................. 5-2
Component Location and Identification
.................................................... 5-2
SR4A Replacement Parts
........................................................................ 5-3