AC Circuits Index

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AC MOTORS

Introduction

· Synchronous Motors

· Synchronous condenser

· Reluctance motor

· Stepper motors

· Brushless DC motor

· Tesla polyphase induction motors

· Wound rotor induction motors

· Single-phase induction motors

· Other specialized motors

· Selsyn (synchro) motors

AC METERING CIRCUITS

· AC voltmeters and ammeters

· Frequency and phase measurement .

· Power measurement

· Power quality measurement

· AC bridge circuits

· AC instrumentation transducers .

POWER FACTOR

· Power in resistive and reactive AC circuits .

· True, Reactive, and Apparent power

· Calculating power factor

· Practical power factor correction

POLYPHASE AC CIRCUITS

· Single-phase power systems

· Three-phase power systems

· Phase rotation

· Polyphase motor design

· Three-phase Y and configurations

· Three-phase transformer circuits

· Harmonics in polyphase power systems .

· Harmonic phase sequences

TRANSFORMERS

Mutual inductance and basic operation

· Step-up and step-down transformers

· Electrical isolation

· Phasing

· Winding configurations

· Voltage regulation

· Special transformers and applications

· Practical considerations

FILTERS

· What is a filter?

· Low-pass filters

· High-pass filters

· Band-pass filters

· Band-stop filters

· Resonant filters

· Summary

MIXED-FREQUENCY AC SIGNALS

· Introduction

· Square wave signals

· More on spectrum analysis .

· Circuit effects

RESONANCE

· An electric pendulum

· Simple parallel (tank circuit) resonance .

· Simple series resonance

· Applications of resonance

· Resonance in series-parallel circuits

· Q and bandwidth of a resonant circuit

REACTANCE AND IMPEDANCE -- R, L, AND C

· Review of R, X, and Z .

· Series R, L, and C

· Parallel R, L, and C

· Parallel R, L, and C .

· Series-parallel R, L, and C

· Susceptance and Admittance .

· Summary

REACTANCE AND IMPEDANCE -- CAPACITIVE

· AC resistor circuits .

· AC capacitor circuits

· Series resistor-capacitor circuits

· Parallel resistor-capacitor circuits .

· Capacitor quirks .

REACTANCE AND IMPEDANCE -- INDUCTIVE

· AC resistor circuits

· AC inductor circuits

· Series resistor-inductor circuits

· Parallel resistor-inductor circuits

· Inductor quirks .

· More on the ``skin effect'' .

COMPLEX NUMBERS

· Introduction

· Vectors and AC waveforms

· Simple vector addition

· Complex vector addition

· Polar and rectangular notation

· Complex number arithmetic

· More on AC "polarity"

· Some examples with AC circuits

BASIC AC THEORY

· What is alternating current (AC)?

· AC waveforms

· Measurements of AC magnitude

· Simple AC circuit calculations

· AC phase

· Principles of radio

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