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Variable Frequency Drives Technician (VFD1)  Technical Certificate of Credit

The Variable Frequency Drives Technician technical certificate will give individuals an understanding of motor drive theory as well as comprehensive hands-on applications using 8 different motor drives, including AC and DC drives. This prepares individuals for a career as an Electrician Technician 3 or equivalent. Students will take courses on DC circuits, AC circuits, solid state devices, and Variable Frequency Motor Drives.

Entrance date: Each semester

Program Admission Requirements: Achievement of appropriate scores on the college's placement test.

Credits required for graduation: 21

Curriculum Outline (21 hours)
Occupational 21
ELCR 1010

This course provides instruction in the theory and practical application of simple and complex direct current circuitry. Topics include laboratory safety practices and procedures, electrical laws and principles, DC test equipment basic series, parallel and combination circuits, complex series and parallel circuits, and DC theorems.

 6
ELCR 1020
Prerequisite: ELCR 1010

This course introduces the theory and application of varying sine wave voltages and current, and continues the development of AC concepts with emphasis on constructing, verifying, and troubleshooting reactive circuits using RLC theory and practical application. Topics include AC wave generation, frequency and phase relationship, impedance, admittance, and conductance power factors, reactive components simple RLC circuits, AC circuit resonance, passive filters, and non-sinusoidal wave forms.

 7
ELCR 1030
Prerequisite: ELCR 1020

This course provides instruction in the theory and application of solid state devices in the electronics industry. Emphasis is placed on the physical characteristics and uses of solid state devices. Topics include PN diodes, power supplies, voltage regulation, bipolar junction theory and application, field effect transistors, and special applications.

 5
ELCR 2120
Prerequisite: ELCR 1020

Introduces the application of motor controls in the industrial environment. Topics include: AC/DC motors, AC/DC drives, MCC and contractors, NEC and NEMA standards, ladder diagrams, and power sources.

 3
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