Teach Yourself Electricity and Electronics, Fourth Edition by Stan Gibilisco

Teach Yourself Electricity and Electronics, Fourth Edition by Stan Gibilisco

Author:Stan Gibilisco
Language: eng
Format: mobi
Publisher: McGraw Hill Text
Published: 2006-03-15T00:00:00+00:00


CHAPTER 21

Power Supplies

Copyright © 2006 by The McGraw-Hill Companies, Inc. Click here for terms of use.

A POWER SUPPLY CONVERTS UTILITY AC TO DC FOR USE WITH CERTAIN ELECTRICAL AND ELECTRONIC devices. In this chapter, we'll examine the components of a typical power supply.

Power Transformers

Power transformers can be categorized as step-down or step-up. As you remember, the output, or secondary, voltage of a step-down unit is lower than the input, or primary, voltage. The reverse is true for a step-up transformer.



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