EIC Short Courses

Short course programs will be offered during the morning (8:00AM – 12:00PM) and afternoon (1:00PM – 5:00PM) of Sunday, June 7.   Attendees have the option of registering with a short course (for an additional fee) as part of the conference registration process.  Please contact the EIC Short Course Chair with questions on the short course program.

Note that a minimum number of attendees are required to hold a short course.  If a course becomes cancelled, the registered course attendees will have the option of signing up for another course or receiving a refund.

Short Course 1: Fundamentals of electrical insulation materials and testing
8:00 – 12:00 Sunday, June 7, 2020

Short Course Description: The focus of this short course is the fundamental aspects of electrical insulation materials, primarily for rotating equipment. This general course will cover basic components of an insulation system, material selection criteria, review of intrinsic properties as well as aging parameters for the motor and generator applications. Major test methodologies and standards used in selecting and qualifying insulation systems will be discussed, with a focus on IEEE and ASTM standards, touching on IEC standards.

It is intended that this short course help the novice understand the critical working aspects of electrical insulation materials. This knowledge can aid in maintenance decision processes, equipment repair decisions, as well as educate those in the industry understand the tradeoffs in rotating equipment dielectric materials selection process.

Instructor:

Dr. Nancy Frost is a Dielectrics Engineer with Gerome Technologies, a materials fabricator, as their Business Development Manager. She also is owner of Frosty’s Zap Lab, LLC, her dielectric materials engineering and high voltage testing laboratory, involved in research and development on materials and manufacturing techniques, as well as the design of testing protocols, and consulting. Dr. Frost has experienced the electrical insulation business from the points of view of vendors, customers, utilities and manufacturers. She has been exposed to a variety of insulation types and systems and has had the unique opportunity to see the many manners in which motor and generator insulation systems can be composed, designed and manufactured.

Contact information:

You can reach Dr. Nancy Frost at DocFrosty42@gmail.com for further information.

Short Course 2: The Alchemy of Nanodielectrics: an overview

8:00 – 12:00 Sunday, June 7, 2020

Short Course Description: Nanostructured dielectrics are a fascinating technological solution since their first proposal by Lewis in 1994. The modification of trap density and depth by nanoparticles and their surface functionalization affects several electrical properties in ways that are hard to control or predict. This course will explore the more recent developments of nano-materials, with particular focus to novel dielectrics. The lecture will give a concise overview of past and present work in the use of such materials for different applications, from laboratory to industrial scale, with special attention to insulations for rotating machines in electrified transportation, cables and capacitors. The course will be aimed at scholars and professionals interested in R&D, manufacturing and development of nanodielectrics.

Instructor:

Paolo Seri received his Master’s Degree in energy engineering in 2012 and PhD in electrical engineering in 2016, both from the University of Bologna. From 2017 he is part of the Laboratory of Innovative Materials for Electrical Systems (LIMES) of the University of Bologna as a researcher, currently working on the topics of HVDC cables design, partial discharge detection and modelling, and characterization of dielectric materials.

Short Course 3: Cable Testing and Diagnostics

13:00 – 17:00  Sunday, June 7, 2020

Short Course Description:

    • Generally on Testing and Diagnostics – Why are we here and where are we going?
      1. Purpose, mindset, means, goal
      2. Faults in newly installed and service-aged cables
    • Introduction to Cable Testing – Theory and Practical Experiences
      1. How VLF emerged historically
      2. Available technologies
      3. International standards
      4. Test parameters and their technical background
      5. How to carry out a good VLF test
      6. Outlook – Using VLF waveshapes for other things
    • Introduction to Cable Diagnostics – Theory and Case Studies
      1. TanDelta
        1. How TanDelta emerged historically
        2. Alternatives to TanDelta
        3. International standards
        4. Test parameters
        5. How to carry out a good TanDelta test
      2. Partial discharge analysis – the hottest thing since sliced bread
        1. PD fundamentals
        2. IEC60270
        3. Why PD analysis has become so important
        4. How to carry out a good PD test – how does the location of PD work
        5. Damped AC (DAC/OWTS)

Instructor:

Robert Probst received a degree in Electrical Engineering and Power Engineering from Chemnitz University of Technology, Germany,. In 2010 Mr. Probst joined the independent test lab KEMA-Powertest Laboratories in Chalfont, Pennsylvania as a High Power Test Engineer, performing R&D testing and type testing on a wide variety of power apparatus. In 2015 Mr. Probst joined Megger as an Applications Engineer in the Cable Infrastructure segment of the Technical Support Group (TSG) in Dallas, Texas. He was responsible for conventional and advanced Cable Fault Location, as well as Cable Testing & Diagnostics, especially 0.1 Hz VLF testing, tan delta measurement and partial discharge diagnostics. In 2018 Mr. Probst assumed the position of Product Manager for Cable Fault Location at Megger Germany, formerly SebaKMT. He is currently responsible for all portable and vehicle-mounted fault locating systems out of both German manufacturing sites.

Short Course 4: The Effect of Inverter Drives on Rotating Machine Electrical Insulation

13:00 – 17:00  Sunday, June 7, 2020

Short Course Description: Thousands of short risetime voltage pulses per second are created by invertors of the pulse width modulated (PWM) voltage source type.  These voltage pulses may adversely affect the stator winding insulation in variable speed motors and the rotor insulation in DFIG wind turbines and hydrogenerators.  In random wound machines rated less than 690 V, partial discharge (PD) can occur that lead to insulation failure.  In form wound machines, the inverter voltage pulses cause dielectric heating, higher PD and more rapid aging of the stress control coatings.  This seminar reviews the characteristics of the voltage pulses from drives and the insulation failure processes.  Avoiding insulation failure using the test methods described in IEC 60034-18-41 and 42 are also discussed.

Course Outline:

  • Reasons to use inverters
  • Types of drives
  • How inverters cause PD in random wound windings
  • Avoiding failure due to inverters in random wound windings
  • Qualifying random wound insulation systems (IEC 60034-18-41)
  • Failure mechanisms in form wound windings accelerated by inverters
  • Qualifying form wound insulation systems (IEC 60034-18-42)

PD measurement during short risetime voltage impulses from inverters
Instructor:

Dr. Greg Stone is employed at Iris Power-Qualitrol in Toronto Canada, a rotating machine condition monitoring company he helped to form. From 1975 to 1990 he was a Dielectrics Engineer with Ontario Hydro’s Research Division.  His current research interest is the effect of inverter voltage surges on electrical insulation.  He is a past-President of the IEEE Dielectrics and Electrical Insulation Society, and continues to be active on many IEEE and IEC standards working groups.  He has published three books and many papers concerned with rotating machine insulation.  Greg Stone has a PhD in Electrical Engineering from the University of Waterloo (Canada), is a Fellow of the IEEE, a Fellow of the Engineering Institute of Canada and a registered Professional Engineer in Ontario, Canada.

 

Special Short Course on Sunday June 7:  Introduction to Power Modulators for EIC attendees
13:00 – 17:00  Sunday, June 7, 2020

Abstract:

This course is intended to provide a broad introduction to power modulators for attendees that wish to learn about the field prior to the start of the conference.  The course will also discuss the basic concepts associated with power modulator applications, systems, design issues, and test techniques.

Outline:

  • Lasers and X-rays
  • Power electronics and energy converters
  • Opening and closing switches
  • Repetitive Pulsed Power
  • Accelerators
  • High Power Microwaves
  • Electromagnetic Launchers
  • Biological, medical, and environmental applications of Power Modulators

Instructor: Dr. Brett M. Huhman received the B.Sc. and M.Sc. degrees in electrical engineering from the University of Missouri and the Ph.D. degree in electrical engineering in 2003, 2006, and 2017, respectively, as well as the Professional Engineer License in electrical and electronics engineering in 2011.  From 2005 to 2007, he was a contractor at the U.S. Naval Research Laboratory (NRL) where he was involved in the development of compact pulsed power radiography devices and electromagnetic launchers.  In 2007, he joined the Pulsed Power Physics Branch of the Plasma Physics Division at NRL, continuing to work on electromagnetic launchers. Current research interests include the application of high-power lithium batteries to pulsed power systems, with an emphasis on development of state-of-health diagnostics.

 

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