MCCCD Program Description

Power Electronics and Variable Frequency Drives

Course: AIT205

First Term: 2022 Fall

Lecture 3.0 Credit(s) 2.0 Period(s) 2.0 Load
Subject Type: Occupational
Load Formula: T - Lab Load

Description: Introductory course in AC and DC power electronic theory. Includes power supplies, power conditioning, solid-state power devices, and power control circuits. Also includes proximity sensors, analog thermal sensors, control feedback loops, and the setup and operation of Variable Frequency Drives (VFDs).

MCCCD Official Course Competencies
1. Evaluate discrete electronic components such as diodes, bipolar transistors, field effect transistors (FETs), silicon controlled rectifiers (SCRs), and insulated-gate bipolar transistors (IGBTs). (I) 2. Install discrete electronic components such as diodes, bipolar transistors, field effect transistors (FETs), silicon controlled rectifiers (SCRs), and insulated-gate bipolar transistors (IGBTs). (I) 3. Test the operation of discrete electronic components such as diodes, bipolar transistors, field effect transistors (FETs), silicon controlled rectifiers (SCRs), and insulated-gate bipolar transistors (IGBTs). (I) 4. Install solid-state alternating current (AC) and direct current (DC) relays. (II) 5. Test solid-state AC and DC relays. (II) 6. Install discrete and analog sensors. (III) 7. Adjust discrete and analog sensors. (III) 8. Test discrete and analog sensors. (III) 9. Install a VFD motor drive system. (IV) 10. Operate a VFD motor drive system. (IV)
MCCCD Official Course Competencies must be coordinated with the content outline so that each major point in the outline serves one or more competencies. MCCCD faculty retains authority in determining the pedagogical approach, methodology, content sequencing, and assessment metrics for student work. Please see individual course syllabi for additional information, including specific course requirements.

MCCCD Official Course Outline
I. Discrete electronic components A. Operations of diodes 1. Positive/Negative (PN) junction diodes 2. Light emitting diodes (LEDs) 3. Zener diodes 4. Voltage regulators B. Half wave and full-wave rectifiers C. Capacitive, inductive, and resistive power filters D. Operations of transistors and rectifiers 1. Bipolar 2. Field-effect transistors (FET) 3. Silicon-controlled rectifiers (SCRs) E. Operation of linear and switching power supplies 1. Connecting 2. Testing 3. Measuring output II. Solid-state discrete and analog relays A. Sourcing and sinking circuits B. Installing C. Testing D. Operation E. Failures F. Styles G. Mountings H. Schematic symbols I. Specifications III. Discrete and analog sensors A. Installing B. Testing and adjusting output signals 1. Proximity sensors 2. Analog thermal sensors C. Interpreting specifications 1. Discrete sensors 2. Analog sensors IV. VFD motor drive system A. Theories of operation with motor control B. Function and use of common parameters C. Alarms 1. Diagnosis 2. Priority D. Grounding ring 1. Purpose 2. Proper installation E. Connections and operation 1. With AC motor 2. With relay control circuit F. Using an onboard Human Interface Module (HIM)

MCCCD Governing Board Approval Date: February 22, 2022

All information published is subject to change without notice. Every effort has been made to ensure the accuracy of information presented, but based on the dynamic nature of the curricular process, course and program information is subject to change in order to reflect the most current information available.