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Course Listings 2017-2018 207 ELC164 3 Credits 3 Periods Grounding and Bonding Grounding and bonding terminology including National Electric Code (NEC) Articles 250. Interpreting code requirements for grounding and bonding. Code requirements for field installation. Prerequisites: None. ELC210 3 Credits 3 Periods AC Machinery and DC Machinery Principles and operation of AC and DC motors, generators, and alternators. Includes single-phase motors along with induction, synchronous, and wound-rotor types of three-phase motors. DC motors including shunt-field, series field, wound rotor, permanent magnet, stepper and brushless types. Prerequisites: None. ELC214 3 Credits 3 Periods Servo Systems Introduction to Servo Systems usages and applications of servos, types of transducers used in servo systems, driver systems including motors, power amplifiers, and control amplifiers; rotary and velocity control systems; and resolvers, optical encoders, linear variable differential transformers, and linear position servo systems. Prerequisites: (FAC/HVA/ELC105 or ELC119) and (FAC/HVA186 or GTC185). Corequisites: ELC214LL. ELC214LL 1 Credit 3 Periods Servo Systems Lab Introduction to Servo Systems laboratory applications of servos, types of transducers used in servo systems, driver systems including motors, power amplifiers, and control amplifiers; rotary and velocity control systems; and resolvers, optical encoders, linear variable differential transformers, and linear position servo systems. Prerequisites: (HVA/FAC/ELC105 and HVA/FAC/ELC 105LL, or ELC119) and (FAC/HVA186 or GTC185). Corequisites: ELC214. ELC217 3 Credits 3 Periods Motor Controls Electrical symbols, line diagrams and logic. Contacts and starters, control devices, reversing circuits and power distribution systems. Magnetism and magnetic solenoids, reduced voltage starters, and circuits. Hand tools and safety procedures. Prerequisites: None. ELC218 3 Credits 3 Periods Variable Frequency Drives Principles and operation of frequency controlled AC motor drives, including current source inverters (CSI), variable voltage inverters (VVI) and pulse width modulated inverters (PWM). Heating, ventilation and air conditioning (HVAC) applications along with energy savings, motor pump sizing and torque load calculations. Prerequisites: Permission of instructor. ELC219 4 Credits 6 Periods Programmable Controllers Principles and applications of programmable logic controls (PLC's). Numbering systems, control strategies, and ladder logic. Basic machine functions and operations to include programming, troubleshooting and maintenance. Application of PLC programming, operations and troubleshooting skills. Prerequisites: ELC/FAC/HVA105 and ELC/ FAC/ HVA115 and ELC119, or permission of instructor. ELC298AA 1 Credit 1 Period Special Projects Organized and tailored around the interests and needs of the individual student. Structured to provide an atmosphere of individualized research and study paralleled by professional expertise and guidance. Professional- type facilities and equipment are made available for student use. Allows the best aspects of independent study and individualized learning to be combined to maximize student development. Prerequisites: Permission of program director or instructor.