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Section
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
Theory of Operation | Section E |
General Description | |
Battery, Engine, Rotor, Stator and Engine Protection | |
Weld Windings, Rectifier, Power Module and Feedback | |
Analog Power Board and Control Board | |
Insulated Gate Bipolar Transistor (IGBT) Operation | |
Pulse Width Modulation | |
Chopper Technology Fundamentals |
FIGURE E.1 – RANGER 250 BLOCK LOGIC DIAGRAM
WORK
TERMINAL
Master TOC
D W
L I
EN
WD
I
N
G
| __ | |
RECTIFIER |
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|
TO
CONTROL
BOARD
+ |
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|
| ELECTRODE | ||
|
| IGBT |
| TERMINAL | ||
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|
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| ||
4 |
| CHOKE | SHUNT | + | ||
POWER MODULE |
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0 |
| F | ||||
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TO |
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|
| E | |
| 2 |
|
| S | E | |
1 | FROM |
| D | |||
0 | P | I | ||||
0 | TOROID | B | ||||
| G | |||||
0 |
| CURRENT | W | A | ||
V | N | |||||
| SENSOR | M | C | |||
| D | A | ||||
V |
|
| K | |||
C |
|
| L | |||
D |
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| |||
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|
| S |
| ||
C |
|
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Return to
STARTER
GAS
ENGINE MECHANICAL ROTATION
FLYWHEEL
ALTERNATOR
OIL
PRESSURE
SWITCH
|
|
| ANALOG | CONTROL |
|
|
| POWER | |
| ROTOR | BOARD | ||
| BOARD | |||
|
| |||
SLIP |
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RINGS |
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| REGULATED VOLTAGES |
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| ARC OUTPUT MODE |
| STATOR |
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| CONTROL CONTROL SELECTOR |
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| |
FIELD | AUXILIARY | WIRE FEED |
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WINDING | WINDINGS | PWR WNDG |
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BATTERY
SOL
I
D
L
4 | 4 | |
2 | ||
2 | ||
| ||
V | V | |
|
Return to Master TOC
RUN/STOPE
SWITCH
R
TO CONTROL
BOARD
BATTERY
BOARD
A | 2 | 1 | A |
C | 4 | 2 | C |
| |||
| 0 | 0 | AMPHENOL |
| V | V | |
|
|
AA
CC
240VAC 120VAC
RECEPTACLE RECEPTACLE