Transcription of AC Electrical Generators - Brown University
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BASIC AC Electrical Generators FREE DOWNLOAD (This page left blank intentionally) BASIC AC Electrical Generators TABLE OF CONTENTS Introduction .. 1 Generator Types .. 4 Rotating Armature Generator .. 4 Rotating Field 5 Polyphase Generators .. 7 Air Cooled Generators .. 10 Temperature Rise .. 10 11 11 Generator Design and Construction .. 11 Generator Stator and Windings .. 11 Stator Design Hydrogen/Water Cooled Stators .. 17 GENERATOR ROTORS .. 19 Salient Pole Rotors .. 19 Cylindrical Generator Rotor .. 20 Rotor Design Air Cooled 25 Rotor Design Hydrogen/Water Cooled Generators .. 27 Rotor Mechanical Design .. 29 Hydrogen Cooled Generator Stator .. 31 Generator Isolated Phase 33 Standard Generator Seal Oil System .. 35 Standard Generator Stator Cooling Water System .. 43 BASIC AC Electrical Generators Excitation Systems .. 49 Progress Check.
BASIC AC ELECTRICAL GENERATORS - 3 - As the South Pole moves away, the current in the winding decreases, returning to zero again when neither pole is close to the winding. While this simple gen erator produces AC (alternating current), the current produced is not very large since the strength of the magnetic field is not very large.
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