# AC-DC Drives

This maintenance training course examines the magnetic and electromagnetic properties of dc motor components, motor operation and classification, the creation of mechanical energy by ac motors and how electromagnetism and induction produce rotation. The online course also discusses methods for stopping motors, the components of a brushless servo motor, and speed-torque curves. It concludes with coverage of output power, the control section, and I/O servo drives. This course has no prerequisites. AC-DC Drives is only available in online maintenance training format.

TPC Training is authorized by IACET to offer 0.8 CEUs for this program.

#### Select Format

• Online Course & Test \$85.00

TPC Training is authorized by IACET to offer 0.8 CEUs for AC-DC Drives online training.

#### Lesson 1 - Fundamentals of AC-DC Drives

This course explains electromechanical systems. It begins by looking at their related terminology. It goes on to explain how the various components function together.

Learning Objectives:
After this course, the learner will be able to:

• Define basic electromechanical system terminology and components.
• Calculate horsepower, torque, and speed.
• List and define three types of loads.

#### Lesson 2 - DC Motors

Examines the magnetic and electromagnetic properties of dc motor components. The influences that affect motor operation and classification are later discussed.

Learning Objectives:
After this course, the learner will be able to:

• Define basic DC motor operation terms and concepts.
• Describe how electromagnetism and power affect DC motor operation.
• List and define four types of DC motors.

#### Lesson 3 - AC Motors

Covers how ac motors create mechanical energy. Discusses how electromagnetism and induction produce rotation by becoming familiar with related terms and concepts. Explains how motors are classified by NEMA.

Learning Objectives:
After this course, the learner will be able to:

• Identify the key components of an AC motor.
• Define electromagnetism and induction.
• Calculate slip.
• Define the four types of NEMA design motors.

#### Lesson 4 - DC Drives

Covers the control section, armature bridge, and dc drive controls. The various components of each are examined and explained.

Learning Objectives:
After this course, the learner will be able to:

• List and define the circuit boards that make up a DC drive’s control section.
• List and define the parts that make up a DC drive’s power section.
• Describe the power conversion process in a DC drive.

#### Lesson 5 - AC Drives

Covers the two main sections of AC drives: control and power. The control section explains how a series of control boards performs the drive's control functions. Under power, DC conversion, filters, and inverters are discussed.

Learning Objectives:
After this course, the learner will be able to:

• List and define the sections of an AC drive.
• Describe the power conversion process in an AC drive.
• Explain the differences between the three categories of AC drives.

#### Lesson 6 - AC-DC Braking Methods

Discusses the three methods for stopping motors: coasting, mechanical braking, and electrical braking. Other types of ac motor braking are also explained.

Learning Objectives:
After this course, the learner will be able to:

• Define coasting.
• List and define the two electrical breaking methods.
• List and define the three motor deceleration modes.

#### Lesson 7 - Brushless DC Motors

The components of a brushless servo motor are discussed. The course goes on to describe speed torque curves. It concludes by examining how to select a brushless dc motor.

Learning Objectives:
After this course, the learner will be able to:

• List the components of a brushless DC motor.
• Define acceleration torque.
• Describe important considerations when selecting a brushless servo motor.

#### Lesson 8 - Brushless Servo Valves

The output power, control section, and I/O servo drives are discussed. The function of various components for each are explained.

Learning Objectives:
After this course, the learner will be able to:

• List and describe the sections of the input power stage of a servo drive.
• List and describe the sections of the output power stage of a servo drive.
• List and describe the sections of the control section of a servo drive.

Online and instructor-led training course solutions to fit every industry and budget.