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Mar 28, 2024
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2021-2022 College Catalog [ARCHIVED CATALOG]
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AIT 225 - Electrical Systems II 3 Credits, 5 Contact Hours 2 lecture periods 3 lab periods
Continuation of AIT 125 . Overview of the area of electrical systems of a manufacturing facility. Preparation to sit for the NIMS Duty Area 5: Electrical Systems Certification Exam.
Prerequisite(s): AIT 125
Course Learning Outcomes
- Install and test DC, single AC, and 3-phase AC electric motors in a manual motor control circuit.
- Test and repair machine electrical ground.
- Troubleshoot an electrical motor relay control circuit.
- Test and replace electrical control wiring using: terminal attachment, and using solder attachment.
- Effectively use computer applications, information systems, and programming.
Outline:
- Installing, Testing DC Electric Motors in a Manual Motor Control Circuit
- Installing/connecting DC electric motors to a manual switch (given a power schematic)
- Operation of a DC electric motor
- Operation of DC motor configurations (e.g. compound, series, shunt)
- DC motor specifications interpretations
- Multimeter and mega-ohmmeter (megger) to test a DC motor
- Operation of a DC speed controller (its function/purpose)
- DC motor name plate interpretation
- Installing, Testing Single and 3-Phase AC Electric Motors in a Manual Motor Control Circuit
- Installing/connecting AC single-phase electric motors to a manual motor starter (given a power schematic)
- Installing/connecting AC 3-phase electric motor to a manual motor starter (given a power schematic)
- Operation of single-phase electric motor: capacitor start, capacitor start/run, and split capacitor
- AC single phase and 3-phase motor specifications interpretations
- Multimeter and mega-ohmmeter (megger) to test an AC motor
- Operation of a manual motor starter
- Operation of a 3-phase motor
- Operation and function of a bearing grounding ring
- Function of a motor break
- AC motor name plate interpretation
- How to select an AC motor overload
- Testing, Repairing Machine Electrical Ground
- Methods of grounding and bonding machines per NEC code and their respective applications
- Operation of electric motor grounding rings
- Identifying types of machine grounds
- Operation of a grounding conductor
- Machine ground testing (to verify correct operation)
- Machine ground repair
- Troubleshooting an Electrical Motor Relay Control Circuit
- Types of failures of basic electrical relay components and electric motors
- Basic electrical components troubleshooting (in an electrical relay control circuit using in-circuit tests)
- Multimeter to take electrical circuit readings during in-circuit testing
- Systematic methodologies to troubleshoot electrical relay control circuits with AC and DC motors with various symptoms
- Testing, Replacing Electrical Control Wiring using Terminal Attachment
- Performing a continuity test on wiring connected via all types of terminals
- How to size wiring for a control circuit (given voltage and current requirements and NEC code)
- Interpreting wiring specifications, including standard color coding
- Wire stripping
- Attaching wires to terminals
- Types of wire and their application
- Testing, Replacing Electrical Control Wiring using Solder Attachment
- Performing a continuity test on wiring connected via soldering
- Wire preparation for soldering
- Soldering wire to terminals
- Testing/inspecting solder joint for integrity
- Types of soldering, solder materials, and their application
Effective Term: Full Academic Year 2019/20
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