Introduction to AC Circuits

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Introduction to AC Circuits
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What is the difference between DC and AC
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Basic Concepts of AC Generator
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Basic concepts of DC generator
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Ac generator wave form
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Mechanical or Electrical
Electrical or Mechanical
DC and AC Motor Generator
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Transformers
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A complete power plant
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AC wave form
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Frequency in Hz 1/Period in sec.

• Example
• If a periodical signal has 10 sec., its frequency
  is 0.1 Hz
• If a periodical signal has 100 sec., its
  frequency is 0.01 Hz

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Common Signals
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Measurement of AC Magnitude
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Example
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Power dissipation
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Periodical signals
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Non periodical signal
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A simple AC circuit
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Its calculation
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Phase shift
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Complex Numbers Amplitude Phase shift)
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Complex vector addition
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Polar notation
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Rectangular notation
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Example Convert from Polar to Rectangular
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Example Convert from Rectangular to Polar