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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

Powering up: Determining where to tap stator windings

  • July 2004
  • Number of views: 2463
  • Article rating:

Cyndi Nyberg 
Former EASA Technical Support Specialist 

There are many applications where it is necessary for a low-voltage, single-phase AC or DC power supply to be available for auxiliary equipment such as brakes, clutches, lamps, etc., used along with a three-phase motor. The single-phase voltage can be supplied by tapping the stator winding at the correct place. DC voltage can be produced by tapping the single-phase or three-phase voltage from the three-phase winding and rectifying it to DC. Determining where to tap the winding is fairly straightforward. 

A three-phase stator winding, when energized, will have a certain number of volts per turn. That is, if you know the number of turns in each phase, and you know the phase voltage, you can determine the volts per turn. Knowing the number of volts per turn, and the required voltage supply for the auxiliary equipment, you can calculate pre­cisely where to tap the winding. 

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