2. A Systems Approach Automotive Technology PowerPoint® Presentation
Prepared by
René Green

3. Chapter 18
Charging Systems

4. Charging Systems Chapter Overview
This chapter looks at the design and components of the charging system. There is considerable attention given to testing the systems and there is a focus on alternating current charging systems.

5. Charging Systems Chapter Objectives
Explain the purpose of the charging system.
Identify the major components of the charging sys-tem.
Explain the purpose of the major parts of an AC generator.
Explain half and full-wave rectification and how they relate to AC generator operation.

6. Charging Systems
Identify the different types of AC voltage regulators.
Describe the two types of stator windings.
Perform charging system inspection and testing procedures using electrical test equipment.

7. Charging Systems
Induced Voltage
Alternating Current Charging Systems

8. Charging Systems
AC Generator Construction

9. Charging Systems
Rotor

10. Charging Systems
Slip ring and brushes

11. Charging Systems
Stator

12. Charging Systems
Stator

13. Charging Systems
End frame assembly
Cooling fans

14. Charging Systems
Alternator Operation

15. Charging Systems
DC rectification
Half wave
Full wave

16. Charging Systems
DC rectification
Half wave
Full wave

17. Charging Systems
Voltage regulation
Sensing voltage
Field circuits

18. Charging Systems Electronic Regulators
Integrated circuit voltage regulator

19. Charging Systems
Fail-safe circuits
Computer regulation

20. Charging Systems
Older Voltage Regulator Designs

21. Charging Systems
Indicators
Indicator light

22. Charging Systems
Voltmeter

23. Charging Systems
Ammeter

24. Charging Systems Preliminary Checks Safety Precautions Inspection
General Test Procedures

25. Charging Systems
Voltage output test
Current output test

26. Charging Systems
Regulator by-pass test

27. Charging Systems
Oscilloscope checks

28. Charging Systems
AC Generator Service

29. Charging Systems
AC Generator Service

30. Charging Systems
AC Generator Service