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How to schedule

To schedule private education for your group, contact:

Dale Shuter, CMP
Meetings & Expositions Manager

+1 314 993 2220, ext. 3335
dshuter@easa.com

1 hour of training

$300 for EASA Chapters/Regions
$400 for member companies
$800 for non-members

How a webinar works

All EASA private webinars are live events in which the audio and video are streamed to your computer over the Internet. Prior to the program, you will receive a web link to join the meeting. 

The presentation portion of the webinar will last about 45 minutes, followed by about 15 minutes of questions and answers.

Requirements

  • Internet connection
  • Computer with audio input (microphone) and audio output (speakers) appropriate for your size group
  • TV or projector/screen

Zoom logo

The Zoom webinar service EASA uses will ask to install a small plugin. Your computer must be configured to allow this in order to have full functionality. Please check with your IT department or company's security policy prior to scheduling a private webinar.

Private Webinars

EASA's private webinars are an inexpensive way to bring an EASA engineer into your service center, place of business or group meeting without incurring travel expenses or lost production time.

Article

Managing Voltage Stress for VFD Applications on IEC Motors

  • June 2022
  • Number of views: 3839
  • Article rating:

Matthew Conville, MBA, PE
EASA Technical Support Specialist

In today’s global economy, it is quite possible to get electric motors from all over the world. This gives us plenty of options to choose from when selecting an electric motor. Most electric motors that are 500 hp (373 kW) or less will conform to one of two basic manufacturing standards; NEMA or IEC. Both have specific clauses which define the voltage stress limits an induction machine can be subjected to in its application, which is powered by Variable Frequency Drives (VFDs)/converters. The intent of this article is to focus on IEC standards for managing voltage stress in VFD applications as it pertains to the motor’s windings. If more detail is needed on NEMA applications, please refer to NEMA MG-1 Part 31.

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