/  Variable Frequency Drives
All courses in Zurich have been cancelled .
BMC Training provides on 21 Jun 2020 Variable Frequency Drives course [Electrical and Power Engineering Training] in Zurich,Switzerland
Course Description
The objective of this VFD training course is to build confidence in the student by providing him/her with useful information and practical hands-on exercises
that demonstrate the relevance of the course material.
Course Objective
This course is designed to enable participants to:
  • Properly Matching A Drive to A Machine
  • Choosing the Correct Motor
  • Choosing the Best Type of Variable Frequency Drive (VFD)
  • Identify & Correct Drive System Problems
  • Identify & Test Major Drive Components
  • Perform Start-Up of an AC Drive
  • Program & Adjust the Drive for Desired Operation
Course Outline
INTRODUCTION
  • Evolution of VFD Control
  • Modern Types of Variable Frequency Drives (VFD)
MECHANICAL THEORY
  • Horsepower Defined
  • Torque Defined
  • Example Horsepower and Torque Calculations
  • Common Types of Mechanical Loads
  • Characteristics of Variable Torque and Constant Torque Loads
BASIC VFD ELECTRICITY THEORY
  • Electrical/Hydraulic Circuit Analogy
  • Resistance, Voltage, and Current Defined
INTRODUCTION TO AC MOTORS
  • Examination of Motor Nameplates and NEMA Designations
  • Locked Rotor Current and Full Load Current
  • Anatomy of a Motor
  • Magnetic Poles and Frequency as Related to Motor Speed
  • Torque Characteristics Motors Operated “Across-the-Line”
  • Torque Characteristics of Motors Operated on VFDs
  • Effects VFDs on Motor Operation and Life Expectancy
PWM AC VFDs
  • Common Types of PWM Drives
  • Examination of the Main Power Circuit
  • Electronic Component Identification
  • The PWM Wave Form
  • Voltage and Frequency Relationships and Effects on Motor Performance
  • Control of Drive System Torque and Horsepower Output
  • Torque Output Comparisons of AC Drives VS. Conventional Means of Speed Control
  • Standing Wave (Reflective Wave) Phenomena on Motor Cables
  • Disassembly of an AC Drive
  • Component Identification
  • Various Designs of Drives
  • Reassemble, Test, Start-Up of AC Drive With Proper Techniques
  • Hands-On Programming and Operation of an AC Drive and Motor
  • Adjust Minimum and Maximum Speed
  • Reset Drive to Factory Defaults
  • Adjusting Torque Output
  • General Drive Programming
  • Methods of Speed and Torque Control
VFD Applications
  • Methods of Proper Drive Selection
  • Multi-Motor Drive Systems With Example Problem
  • Using VFDs to Eliminate Geared Speed Reducers
  • Effects of AC Drives on Geared Speed Reducers
  • Replacing Mechanical Speed Changers With VFDs
CONCLUSION AND SUMMARY


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Course Details
  • Code EPE70
  • TIME    08:00 AM - 11:15 AM
  • DATE    Jun 21 2020 - Jun 25 2020
  • Zurich , Zurich Marriott
  • +44 2087206971
  • Support@bmc.net

Fees Per Person

8200 GBP + VAT
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