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.
