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Electrical Systems Maintenance

TPC’s Electrical Systems training series offers a broad spectrum of courses, from an introduction to electricity and electronics to step-by-step electrical system troubleshooting.

Unit 201: Understanding Basic Electricity and Electronics ($130)

This course on Basic Electricity and Electronics covers basic, non-mathematical approach to understanding principles of electricity. Introduces electron theory, static electricity, electrons in motion, and magnetism. Covers basic methods of measuring current, voltage, and resistance during maintenance procedures. Explains circuit components-conductors, insulators, resistors, capacitors-and simple Ohm’s Law calculations for DC and AC circuits.

Lesson 1 – Introduction to Electricity

Lesson 2 – Static Electricity

Lesson 3 – Current Electricity

Lesson 4 – Magnetism

Lesson 5 – Current, Resistance, and Potential Difference

Lesson 6 – Electrical Components

Lesson 7 – Conductors

Lesson 8 – DC Circuits

Lesson 9 – AC Circuits

Lesson 10 – Electronics

Unit 202: Using & Maintaining Batteries and DC Circuits ($130)

The Batteries and DC Circuits course covers how electrochemical action is used. Covers batteries, electrolytic action, electroplating, Characteristics of storage batteries, application and maintenance of lead-acid, nickel-alkaline, and nickel-cadmium batteries, putting batteries into service, charging batteries, maintaining records, fundamentals of DC circuits, and using Ohm’s Law to solve problems in DC series, parallel, and series-parallel circuits.

Lesson 1 – Electrochemical Action

Lesson 2 – Battery Characteristics

Lesson 3 – Kinds of Batteries

Lesson 4 – Maintaining Lead-Acid Batteries

Lesson 5 – Charging Lead-Acid Batteries

Lesson 6 – Solving Problems in DC Circuits

Lesson 7 – DC Series Circuits

Lesson 8 – Parallel Circuits

Lesson 9 – Series-Parallel Circuits

Lesson 10 – DC Circuits in Use

Unit 203: Using & Maintaining Transformers and AC Circuits ($130)

Covers differences between DC and AC circuits. Explains AC sine wave, using vectors to solve AC problems, calculating impedance in circuits having inductance, capacitance, and resistance, AC power relationships in single-phase and three-phase circuits, and principles of transformer maintenance.

Lesson 1 – Principles of Alternating Current

Lesson 2 – Mathematics in AC Circuits

Lesson 3 – Inductance and Inductive Reactance

Lesson 4 – Capacitance and Capacitive Reactance

Lesson 5 – Impedance

Lesson 6 – Power and Energy in AC Circuits

Lesson 7 – Three-Phase Circuits

Lesson 8 – Principles of Transformers

Lesson 9 – Transformer Applications

Lesson 10 – Maintaining Transformers

Unit 204.1: Electrical Measuring Instruments ($100)

Covers the maintenance procedures and principles on which electrical test instruments operate. Basic instruments covered in this course include voltmeter, ammeter, wattmeter, ohmmeter, and megohmmeter. Covers AC metering, split-core ammeter, use of current and potential transformers. Includes detailed coverage of modern multimeters. Explains functions and uses of oscilloscopes.

Lesson 1 – Principles of Meter Operation

Lesson 2 – Ammeters, Voltmeters, and Wattmeters

Lesson 3 – Resistance Measurement

Lesson 4 – Multimeters

Lesson 5 – Oscilloscopes

Unit 205.1: Electrical Safety and Protection ($100)

Examines electrical hazards and stresses the importance of electrical safety. The course covers the maintenance equipment and procedures necessary to work safely with electricity, including PPE, lockout/tagout, and first aid. Explains the importance of grounding. Describes many kinds of fuses, circuit breakers, and motor protection devices and their uses.

Lesson 1 – Electrical Hazards

Lesson 2 – Electrical Safety Equipment

Lesson 3 – Electrical Safety Procedures

Lesson 4 – The National Electric Code®*

Lesson 5 – Grounding, Ground Faults, and Short Circuits

Lesson 6 – Fuses and Circuit Breakers

Lesson 7 – Motor Protection

Unit 206: Operating & Maintaining DC Equipment and Controls ($130)

Covers DC power applications in industry, types of DC generators, operating characteristics of DC motors, DC armature principles, and armature maintenance and repair. Includes types of DC relays, DC controllers, overspeed and overload protection, drum and reversing controllers, dynamic braking, DC power supplies, diodes, semiconductors, SCR principles, and DC maintenance practices.

Lesson 1 – DC Power in Industry

Lesson 2 – DC Electromagnets

Lesson 3 – DC Generators

Lesson 4 – DC Motors

Lesson 5 – DC Armatures

Lesson 6 – DC Relays

Lesson 7 – DC Controllers

Lesson 8 – DC Power Supplies

Lesson 9 – Silicon Controlled Rectifiers

Lesson 10 – Maintenance of DC Equipment

Unit 207: Operating & Maintaining Single-Phase Motors ($130)

Covers the types and operating principles of common single-phase motors. Explains NEMA motor standards. Explains how to identify motor leads on split-phase, capacitor-start, capacitor-run, permanent split capacitor, and repulsion motors. Also covers universal motors, shaded-pole motors, and other special types, including synchro and servo systems. Gives general maintenance procedures on all single-phase motors.

Lesson 1 – Introduction to Single-Phase Motors

Lesson 2 – Split-Phase Motors

Lesson 3 – Capacitor Motors

Lesson 4 – Repulsion Motors

Lesson 5 – Universal Motors

Lesson 6 – Special Motors

Lesson 7 – Synchros

Lesson 8 – Servos

Lesson 9 – Motor Installation

Lesson 10 – Motor Maintenance

Unit 208: Operating & Maintaining Three-Phase Systems ($130)

Covers three-phase motor principles for induction, synchronous, and multi-speed dual-voltage motors. Gives recommended maintenance practices for large AC motors. Covers principles of three-phase motor starters, part winding, reversing, jogging, alternator principles and operation. Describes three-phase power distribution.

Lesson 1 – Principles of Three-Phase Motors

Lesson 2 – Induction Motors

Lesson 3 – Synchronous Motors

Lesson 4 – Multispeed Motors

Lesson 5 – Maintaining Three-Phase Motors

Lesson 6 – Motor Starters

Lesson 7 – Three-Phase Motor Controllers

Lesson 8 – Alternators

Lesson 9 – Auxiliary Generator Systems

Lesson 10 – Power Distribution Systems

Unit 209: Understanding Basic AC Control Equipment ($130)

Covers the broad range of industrial motor starting and control equipment maintenance, including NEMA sizes and ratings. The course includes pushbutton control stations, limit switches, mercury switches, mechanical and magnetic plugging, foot switches, and pressure, temperature, and float switches. Covers control panel wiring and special applications.

Lesson 1 – Motor Starters

Lesson 2 – Switches and Controls

Lesson 3 – Limit Switches

Lesson 4 – Special Control Switches

Lesson 5 – Timers and Counters

Lesson 6 – Control Relays

Lesson 7 – Equipment for Hazardous Locations

Lesson 8 – Special Motor Controls

Lesson 9 – Motor Control Centers

Lesson 10 – Control Panel Wiring

Unit 210: Developing Electrical Troubleshooting ($130)

The Electrical Troubleshooting course covers use of schematic diagrams, determining sequence of operation, and use of building diagrams and single-line diagrams. Includes maintenance procedures for control circuits and combination starters. Explains troubleshooting practices on DC and AC motors, identifying unmarked leads on three-phase delta and Y-connected motors, and troubleshooting lighting systems.

Lesson 1 – Troubleshooting with Electrical Schematics

Lesson 2 – Troubleshooting with Building Drawings

Lesson 3 – Troubleshooting Control Circuits

Lesson 4 – Troubleshooting Combination Starters

Lesson 5 – Troubleshooting Control Devices

Lesson 6 – Troubleshooting Special Controls

Lesson 7 – Troubleshooting DC Motors

Lesson 8 – Troubleshooting AC Motors

Lesson 9 – Troubleshooting Lighting Systems

Lesson 10 – Saving Time in Troubleshooting

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