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AC Power

Course Number: EET 113
Transcript Title: AC Power
Created: September 1, 2012
Updated: December 19, 2014
Total Credits: 5
Lecture Hours: 40
Lecture / Lab Hours: 0
Lab Hours: 30
Satisfies Cultural Literacy requirement: No
Satisfies General Education requirement: No
Grading options: A-F (default), audit

Prerequisites

EET 112 or department approval

Course Description

Covers AC power, AC analysis, transformers, 3 phase AC analysis, resonant circuits, and passive filters. Includes a 3-hour per week laboratory session. Prerequisite: EET112 or department approval. Audit available.

Intended Outcomes

Upon successful completion of this course, students will be able to:

  1. Apply AC concepts and theorems to analyze resistive and reactive circuits for apparent power, reactive power, and power factor correction.
  2. Build and simulate advanced electrical AC circuits and perform measurements with electronic test equipment.
  3. Write technical reports using collected experiment data
  4. Use circuit simulation software to analyze electronic circuits.
  5. Apply AC concepts to resonant circuits, calculating for power factor, impedance, selectivity, series and parallel resonant points.
  6. Apply AC concepts to polyphase systems, delta and wye connected circuits, conversion between delta and wye for generators and motors, balanced and unbalanced delta and wye.

Outcome Assessment Strategies

Evaluation is done via labs, quizzes, take home assignments, in class exercises, and exams.

Course Activities and Design

  • Lecture, discussion, online lessons, and in class and lab exercises are the instructional methods used.
  • Laboratory activity includes building, analyzing, and troubleshooting AC circuits on solderless protoboards and industrial trainers. Instrumentation will be used to measure resistance, voltage, and current. Theoretical predictions will be compared with observed values. Computer applications will be used to process lab data, write lab reports, and simulate circuits.

Course Content (Themes, Concepts, Issues and Skills)

  • AC Power – real and reactive power, power in resistive, inductive and capacitive circuits, power measurement and the power triangle, P, Q, and S.
  • AC Analysis Methods and Theorems – current and voltage sources and source conversion, bridge networks, delta-wye and wye-delta circuits and conversions, AC superposition theorem, AC Thevenin’s theorem, AC Norton’s theorem, AC maximum power transfer theorem.
  • Transformers - mutual inductance turns ratio and impedance ratio, frequency response and saturation, power ratings.
  • 3 Phase AC Power Systems - 3 phase AC sources and generators, wye and delta connections, phase sequence, 3 phase transformers, balanced and unbalanced loads, 3 phase AC motors.
  • Resonance - series and parallel resonance, selectivity, quality factor Q, frequency response.
  • Passive Filters - Logarithms and decibels, high pass, low pass, band pass, and band stop passive filters, Bode plots of filter response.