Describe the characteristics, operation, and applications of power-supply circuits.
DefinitionDescription should include the
- characteristics of power-supply circuits—basic stages and associated components
- basic purpose or function of a power-supply circuit
- operation of power-supply circuits—graphing the voltage pattern at each stage of a power supply’s operation
- types of voltage regulators and how they operate
- applications of power-supply circuits (e.g., DC power supplies, AC power supplies, switching power supplies associated with computers and digital electronics).
- Which components are used as power supplies?
- What are the characteristics of power supplies?
- How are power supplies classified?
- What are the different types of rectifiers?
- What are the comparative features of fuses, slow-blow fuses, and circuit breakers?
- How does a rectifier circuit work?
- What is the difference between a transformer and an inductor?
- What is the difference between a voltage regulator and a shunt regulator?
- What are the strengths and weaknesses of a series regulator?
- What are common examples of products containing over-voltage protection circuits?
- What are the implications of ripple frequency?
Related Standards of Learning
The student will investigate and understand how to diagram, construct, and analyze basic electrical circuits and explain the function of various circuit components. Key concepts include
- Ohm’s law;
- series, parallel, and combined circuits;
- electrical power; and
- alternating and direct currents.