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Section E-1 Section E-1
RANGER 250
Theory of Operation .............................................................................................................Section E
General Description ..............................................................................................................E-2
Battery, Engine, Rotor, Stator and Engine Protection ...........................................................E-2
Weld Windings, Rectifier, Power Module and Feedback.......................................................E-3
Analog Power Board and Control Board ...............................................................................E-4
Insulated Gate Bipolar Transistor (IGBT) Operation .............................................................E-5
Pulse Width Modulation.........................................................................................................E-6
Chopper Technology Fundamentals......................................................................................E-7
TABLE OF CONTENTS
-THEORY OF OPERATION SECTION-
FIGURE E.1 – RANGER 250 BLOCK LOGIC DIAGRAM
