Apr 24, 2019
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# EL 174 - Electrical Principles II

Credit Hours: 4

Presents the foundations of basic AC circuit analysis. Topics include: alternating current and voltage, sine wave form and values, phase relationships, vector representation, AC series, parallel and series/parallel RC, RL, and RLC circuits, active/reactive/apparent power, phasors, Kirchhoff's Laws, maximum power transfer applied to AC, resonance, polyphase systems (three-phase voltage, current and power, balanced and unbalanced loads), magnetic circuits, transformers.

Course Outcomes
At the completion of the course, the student should be able to:

• describe the difference between DC and AC as they apply to electrical circuits with passive components;
• apply AC phasor and vector theory to combinational series-parallel RLC circuit and determine the voltages, currents, impedance, phase angle, apparent power, true power, reactive power, and power factor improvement;
• calculate the circuital values for series, parallel and series/parallel circuits;
• correctly apply electrical subscripting, symbols and units to polyphase systems;
• apply AC theory to determine the primary and secondary values of voltage, current, power, and impedance of a transformer; and
• employ a systematic and methodical approach to mathematically solving circuital problems.

Prerequisites: EL 130, MT 121
Corequisites: EL 175
S (N)