AC Inverter Drives (Application and Maintenance)

DESCRIPTION

Manufacturers of inverter drives report that of the units returned to them as faulty, up to 80% do not reveal any defects. Such returns are more a result of incorrect programming and/or fault diagnosis by maintenance personnel. This comprehensive course is designed to counter such difficulties by enabling the maintenance engineer to correctly set up, maintain and carry out effective fault-finding on inverter drive systems. Unlike some product-specific courses, this course is substantially generic-effectively covering most of the variable speed drive systems found in industry today and providing a thorough understanding of drive operation within the context of industrial systems.

OBJECTIVES

Participants will be able to:

• Properly Matching a Drive to a Machine
• Choosing the Correct Motor
• Choosing the Best Type of Drive
• Identify & Correct Drive System Problems
• Identify & Test Major Drive Components
• Perform Start-Up of an AC Drive
• Program & Adjust the Drive for Desired Operation

OUTLINE COURSE

• Evolution of Adjustable Speed Drives
• AC & DC Electrical Terminology
• AC Motor Theory
• Choosing The Correct Motor
• AC Drive (VFD) Theory
• AC Drive Terminology
• AC Drive Applications with Discussion of Various Types of Drives Including Vector Drives
• Properly Matching a Drive to a Machine
• Benefits of Over-Speeding Motors
• Typical Application Mistakes & Pitfalls
• Mechanical Theory: Horsepower & Torque
• Basic AC & DC Electrical Theory for Drives
• Transformer Basics
• AC Motor Theory with NEMA Nameplate Definitions
• Semiconductor Theory and Diode Rectifiers with Lab
• Examination, Theory, and Testing The Major AC Drive Components Including The Input Rectifier, Soft-Charge Resistor, Buss Capacitors, and Output Transistors
• Examination of AC Drive Construction
• Common Error Codes and Solutions
• Diagnosing Drive Problems
• Recommended Drive Start-Up Procedure
• Hands-On AC Drive and Motor Operation and Programming

PARTICIPANT

Suitable for anyone who is required to maintain or configure inverter drives (electricians, instrument technicians, etc). Whilst a knowledge of basic electrical principles is desirable, no prior knowledge of motor theory or electronics is necessary.

TRAINING METHOD

Presentation

Discussion

Case Study

Evaluation

FACILITY

Training Kit

Handout

Certificate

Lunch + 2x Coffee Break

Souvenir

Pick Up Participant (Yogyakarta)

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