Electric Motor Power Measurement and Analysis
Presented by: Bill Gatheridge, Product Manager • Yokogawa Corporation of America
Ian Walker, Vice President of Sales • GMW Associates
Time: 8:00 am - 12:00 pm
Registration: $295
This four hour workshop presented by Yokogawa Corp. will provide the attendees with a three-step process for making precision electrical and mechanical power measurements on various motors and variable speed drive systems. We will show how to make precision measurements and calculate the Energy Efficiency for motor and drive systems in industrial and automotive operations, and renewable energy applications such as wind turbines and solar equipment. A special section will be devoted to the current sensors required for use on variable frequency drives and inverter systems.
Attendees should leave with a working knowledge and understanding of how to make precision power measurements on complex distorted waveforms such as from a variable frequency drive system. They will also learn about the instruments to use and how to make high accuracy measurements required for energy efficiency calculations on various types of power inverters.
This seminar is designed for managers and technical professionals, design engineers, test engineers and technicians involved with power measurements, performance testing and energy efficiency measurements and calculations of electric motors and variable speed drive systems, and inverters for renewable energy applications such wind turbines and solar systems. Each attendee will receive a seminar workbook and a CD with the seminar presentation and other valuable reference and application information.
Bill Gatheridge is the Product Manager at Yokogawa, and is responsible for the Power Analyzer product line as well as other measuring instruments. He has more than 20 years experience with Yokogawa in the area of precision electrical power measurements. He a member and Vice Chairman of the ASME PTC19.6 committee on Electrical Power Measurements for Utility Power Plant Performance Testing.
Ian Walker is the vice president of Sales for GMW Associates. Ian has an MSc Degree in Nuclear Physics from the University of Auckland, New Zealand. He is the co-founder of GMW Associates in California and has been managing the development of very high precision magnetic field and current measurement and control instrumentation for electromagnets used in particle accelerators, magnetic resonance imaging (MRI) and magnetic storage test systems.
Motor Control Fundamentals & Brushless Drives
Presented by Dr. Dal Y. Ohm, President • Drivetech, Inc.
Time: 8:00 am - 11:00 am
Registration: $395
The purpose of this course is to provide fundamental concepts on motor control including commutation methods and power semiconductor circuits. The course starts with the magnetic and mechanical structure of the various motor types to understand torque production mechanism and required commutation logics.
Discussion is followed by necessary design skills such as power electronics switches, motor drive topologies, drive hardware, commutation algorithm and software as well as feedback control with various sensors. The content will cover most of the basic knowledge in designing DC and brushless DC motor drives, including sensorless control techniques. From the author’s long experience in research and development of many different types of drives, practical and useful procedures in selecting components and methods, rule-of-thumb design rules, performance vs cost tradeoff, etc will be discussed.
Dr. Dal Ohm is the president of Drivetech, Inc., a technical consulting firm specializing in motor control, drives and servo systems. He has more than 20 years of industrial and academic experience in research and product development in the fields of motor drives and servo systems. His major area of interest includes motion control, digital control and robotics, vector control, AC and DC motor drives and power electronics. Prior to consulting, he was Technical Director at Kollmorgen Motion Technologies Group. He was also with Baldor Electric Company and Electrocraft, Inc.
Field Oriented Control and Advanced AC Motor Control Algorithms
Presented by Dr. Dal Y. Ohm, President • Drivetech, Inc.
Time: 1:00 pm - 4:00 pm
Registration: $395
The purpose of this course is to provide in-depth knowledge and skills in designing high performance AC motor drives. The course is intended for engineers who have prior knowledge in basic motor control theory or have experience in motor drive design. The course starts with the principles of FOC (Field Oriented Control, aka Vector Control) and applies FOC in PM synchronous (both IPM and SPM) and induction motors. Discussion is followed by various advanced implementation techniques for high performance and energy efficiency including predictive current control, decoupling control, space vector modulation, field weakening operation, as well as modeling and simulation.
Reliability of IGBTs in Industrial Drives
Presented by John Donlon and Eric Motto with Powerex, Inc.
Time: 1:00 pm to 5:00
Registration: Before January 28th: $175; After January 28th: $275
This four hour workshop presented by Powerex, Inc. will address the reliability of the IGBT power module which is the heart of modern industrial drives. It has proven to be a highly reliable and rugged component. However, it must be applied within its ratings and capabilities. This workshop will discuss the proper selection of the IGBT, its limitations and failure modes, the precautions that must be taken to ensure long life, and the design and application considerations that affect reliability. Attendees will gain an understanding of the need to protect the IGBT from internal and external disturbances and practical solutions to over current, over voltage, and over temperature conditions. The workshop is intended to be of interest to those who use, apply, procure, or specify power electronic products based on the IGBT as the power switch.
John Donlon is Senior Application Engineer at Powerex, Inc. and has been involved in the rating, evaluation, and application of power semiconductors for over 35 years. He has been active in the publication of over sixty technical papers, articles, and application notes describing the characteristics and proper application of power semiconductors.
Eric R. Motto is Principal Application Engineer with Powerex and provides technical support for users of Mitsubishi power semiconductor devices in North America. Eric has written and presented more than thirty-five technical papers at industry conferences and published numerous application notes and magazine articles related to the design and application of IGBT and Intelligent Power Modules.
Designing Your BLDC Motor
Presented by Jim Hendershot and Tanvir Rahman with Infolytica
Time: 8:00 am to 5:00
Registration: $695
Join us for an interactive workshop on brushless DC motors design. This full day event will cover a broad range of topics and cover useful techniques and tips on how to approach your next motor project. The workshop will focus on practical problems faced by real designers in their work environment. Jim Hendershot will discuss the design process based on the motor specifications provided by the attendees and guide you through the process of obtaining a motor that meets the requirements.
Design specification: detailed discussions of typical design criteria including required power, efficiency, drive configurations, size constraints and cooling methods.
Getting an initial design:
- Sizing of the motor using analytic and other methods
- Rotor and stator configurations
- Air gap shear stress based outer and inner diameters
- Magnet and lamination material selection
- Loss and efficiency considerations; Ohmic, hysteresis and eddy current losses.
- Winding types and design; lap/concentric windings, balanced windings, winding factors etc.
This course is intended for beginners and experienced motor designers alike and anyone involved in the design or prototyping of an electric motor or generator.
Dr. Tanvir Rahman is an Application Engineer at Infolytica Corporation where his primary responsibility is the CAD and applications of electromagnetic solvers to electric machines. Most recently he has been involved with applying some of the latest CAD tools for power electronics and control system designs for Brushless DC and induction motors for HEVs.
Dr. Rahman has been professionally involved with the simulation and modelling of electric machines since 2006. He obtained his Bachelors of Engineering in Mechanical Engineering and a Ph.D. in Computational Physics from McGill University in 2005 in the area of Computational Fluid Dynamics. His research interests include multi-physics simulations of electric machines, new algorithms for CAD of switched reluctance machines, renewable energy sources among many others.
GET INVOLVED: Motor, Drive & Automation Systems 2011 Conference is looking for companies, consultants and organizations that are interested in hosting half- or full-day workshops prior to this Conference Series. For more information, contact Shannon Given.
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