EAP 2010 - AC Fundamentals I
Clock Hours: 33
Delivery Mode
on-ground
Prerequisites: All First Term Courses
Course Description:
Review of basic electrical theory and required code sections; formula for calculating power loss; transformers; overcurrent protection and faults; OCPDs; GFCIs; AFCIs; production of alternating current; sine waves and phase relationship; calculation of alternating-current values; capacitance/reactance/phase angle; directional forces of voltage; current of inductors; magnetic fields; calculating resistance and inductance; power factory and efficiency; AC motors; generators and windings; transformers; efficiency/applied and inducted voltages/load current/primary current on transformer windings; calculating line current for single/three-phase transformers; and box volume and fill calculations.
Student Learning Outcomes:
Course Competencies:
Upon completion of this course, the learner will:
- Define components of the system and state their function(s)
- Reference Code sections that state requirements for construction of these systems
- Recall the math formula for power loss/calculate power loss
- Calculate primary/secondary electrical quantities of transformers
- Explain the purpose of overcurrent protection and list the types of faults
- Describe different types of and operations of OCPDs along with their ratings
- Understand the purpose of AFCIs and GFCIs, common uses, how they operate, and reference Code sections that support the common uses
- Understand why alternating current (AC) is used for transmission
- Understand the production of AC
- Recall formulas and calculate AC values
- Understand capacitance and capacitive reactance, and phase angle between voltage and current of an RC circuit
- Understand the directional forces of voltage and current of an inductor
- Understand how the magnetic field, the shape of a conductor, and fluctuation of the magnetic field cause reactive forces
- Calculate resistance, inductive reactance, and inductance of inductors
- Understand the relationship of true power and apparent power to components of simple AC circuits
- Calculate the cost of using an electrical appliance or load over a selected length of time
- Understand how to calculate loads for selecting circuit equipment when power factor is involved
- Understand the fundamentals of motor operation, how to reference information on motor nameplates, and how to select FLA or FLC for equipment size and rating
- Demonstrate the proper way to check the leads of different types of DC motors and identify them
- Demonstrate the proper way to check the leads of different types of AC motors and identify them
- Recognize and understand the operation of generators and identify leads of windings for proper connections
- Recognize and understand the operation of three-phase generators and identify the leads of windings for proper connections
- Identify the components of transformers and explain their function as a part of the transformer
- Understand efficiency, applied & induced voltages, load current & primary current on transformer windings
- Be able to calculate line current for single-phase and three-phase transformers
- Understand box volume and fill calculations
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