Electronics Transformers Technical Committee (ETTC)

Chair:

The current chair is listed as a member of the Administrative Committee

Charter:

To advance the level of understanding of electronics transformers, their component materials and other related magnetic devices and apparatus.

Responsibilities:

  • Sponsors tutorials, short courses, sessions at conferences and workshops on issues related to electronics transformers and other magnetic apparatus
  • Publishes papers, special issues of the IEEE Transactions on Power Electronics, bibliographies and PELS NEWSLETTER articles on electronics transformers
  • Sponsors standards for electronics transformers, their component materials and other magnetic devices.
  • Forms adhoc subcommittees to address particular technical opportunities as they arise.
  • Produces an annual report each January 1, tracing the work of the committee during the previous year, work in progress, goals for the new year and a current committee roster.
  • Prepares an interim report in June describing progress against goals and gives AdCom members an opportunity to discuss and comment on the committee's activities.

Current Organization

Meetings:

The ETTC generally meets twice a year, once in the spring, usually in conjunction with the Applied Power Electronics Conference (APEC) and once in the fall, usually in conjunction with the Electrical manufacturing & Coil Winding Association conference (EMCWA). These meetings are used to review progress in the development of new or revision of existing of IEEE standards maintained by the ETTC. Topical subjects in the area of magnetic devices are also discussed to determine if new standards, guides or recommended practices are needed.

Meeting Announcements, Agdendas and Minutes

Membership:

The ETTC meetings are open to anyone with a genuine interest in the design, manufacturing or the application of electronics transformers or other related magnetic devices. Active membership (voting membership) is governed by the guidelines of the ETTC Operating Manual and of the PELS operation handbook.

Organizational Chart.


Standards Development:

Existing Standards

The ETTC always welcomes input to its standards development. The input for standard revisions can be presented at an ETTC meeting or by contacting the appropriate working group chairman for an existing standard. However only active ETTC members with an IEEE membership may participate in the balloting of an IEEE standard.

A list of the IEEE standards and their respective scopes, that are presently maintained by the ETTC, follows below. These standards may be purchased by contacting the IEEE standards office at phone: 1-800-678-IEEE or via the IEEE website .

  • Standard 111 - IEEE Standard for Wide-Band (Greater Than 1 Decade) Transformers
  • Standard 266-1969 - IEEE Test Procedure for Evaluation of Insulation Systems for Electronics Power Transformers
  • Standard 295-1969 - IEEE Standard for Electronics Power Transformers
  • Standard 388-1992 -IEEE Standard for Transformers And Inductors in Electronic Power Conversion Equipment
  • Standard 389-1996 - IEEE Recommended Practice for Testing Electronic Transformers and Inductors
  • Standard 390-1987 - IEEE Standard for Pulse Transformers
  • Standard 393-1991 - IEEE Standard for Test Procedures for Magnetic Cores
  • Standard 436-1991 - IEEE Guide for Making Corona (Partial Discharge) Measurements on Electronics Transformers
  • Standard 449-1990 - IEEE Standard for Ferroresonant Voltage Regulators

New Standards Under Development

The ETTC always welcomes the opportunity to develop new standards new or existing technologies as the need arises. The need for new standards, recommended practices or guides can be presented at an ETTC meeting or by contacting the chairman of the ETTC, Robert Beers b2beers@ix.netcom.com

A list of some of the new standards, recommended practices and guides is listed below:


Standard XXX

IEEE Standard for Inductors

Working Group Chairman: Dave Ratliff Phone: 517-546-6330 email:

Status: Gathering Information To Submit A PAR to the IEEE Standards Board

Proposed Scope:

This recommended standard presents a number of different materials, calculations and topologies for the electronics or power designer to examine. Equations for standard calculation of losses and operation are provided to enable the designer to evaluate the application that they are examining. The information used in this standard can be used for all types of inductors used in electronic or power applications. Some information used in this standard can only be used for specific applications as described herein. Several references will be made to IEEE Standard 389 in reference to temperature rise measurements.

The information provided in this standard is to be utilized as a guide only. The information in this recommended standard include those most commonly used in the inductor industry and many others less commonly used.

Work In Progress:

Draft version 0.2 ( Adobe Acrobat "pdf" , MS Word "doc" )

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