Improve Workforce Efficiency

Course #: 4040
Duration: 10 hours
Course Prerequisites: AC Principles (Block A22);
What Students Learn: Essential Transformer Properties; Operation Under Load and Without Load; Losses; Voltage Regulation; Rating; Types of Core and Windings; Insulation; Bushings; Tap Changers; Polarity; Single-Phase and Polyphase Transformers; Delta, Star, Open-Delta, and Scott Connections; Special Transformers, Autotransformers, Reactors, Step-Voltage Regulators; Instrument Transformers; Maintenance of Transformers; Design of Small Low-Voltage Transformers.

Course #: 4041
Duration: 10 hours
Course Prerequisites: Transformers (4040); AC Principles (Block A22); Introduction to Algebra, Geometry, and Trigonometry (Block X02);
What Students Learn: Calculations Pertaining to Transformer Operation; Phasor Diagrams; Equivalent Circuits; Losses; Efficiency; Three-Phase Transformer Connections; Harmonic Currents and Voltages; Parallel Operation of Transformers; Phase Transformation; Regulation of Voltage with Tap Changers and Separate Units; Operation of Autotransformers and Three-Winding Transformers; Testing of Transformers.

Course #: 4042
Duration: 10 hours
Course Prerequisites: Transformers (4040); AC Principles (Block A22);
What Students Learn: Distribution Transformer: Core-Form and Shell-Form Transformers; Insulation, Connections, Protective Devices; Types of Distribution Transformers; Air-Core and Iron-Core Reactors, Furnace and Neon-Sign Transformers; Rectifiers, Transformers, and Test Transformers; Power Transformers: Rating, Core Construction, Coil Forms, Bushings, Protection and Temperature Control, Cooling Methods, Oil Protection, Maintenance.

Course #: 6793
Duration: 10 hours
Course Prerequisites: AC Principles (Block A22); Introduction to Algebra, Geometry, and Trigonometry (Block X02);
What Students Learn: Fundamentals of Current and Potential Transformers; Types of Instrument Transformers; Instrument Transformer Construction Standards, such as Ratings and Insulation Classes; Instrument Transformer Performance Standards as to Burden, Accuracy, and Correction Factors; Practical Application of Instrument Transformers with Regard to Grounding, Rating, Connections, and Burden; Polarity and Accuracy Testing of Instrument Transformers Utilizing Various Methods and Procedures.