IEEE to Update Guide to Switchgear Unit Substations
Also Approves New Standard for High-Voltage Circuit Breakers
Contact: Karen McCabe, IEEE-SA
Marketing Director
+1 732-562-3824, k.mccabe@ieee.org
PISCATAWAY, N.J., USA, 5 November 2009 -- The IEEE has approved work to begin on a revision to IEEE PC37.121(TM), "Guide for Switchgear - Unit Substation – Requirements."
The standard was transferred from the National Electrical Manufacturers Association (NEMA) to IEEE in January 2003. The revision will define IEEE PC37.121 as a Guide rather than as a standard, covering three-phase unit substations for step-down operation in the range of 112.5 kVA or greater at primary voltages of 601 volts through 38 kilovolts.
IEEE has also approved a new standard, IEEE C37.06(TM), "Standard for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis - Preferred Ratings and Related Required Capabilities for Voltages Above 1000 Volts." The standard describes the preferred ratings of indoor and outdoor high-voltage circuit breakers rated above 1000 V for use in commercial, industrial, and utility installations.
Both standards are sponsored by the Switchgear Committee of the IEEE Power & Energy Society.
About the IEEE Standards Association
The IEEE Standards Association, a globally recognized standards-setting body, develops consensus standards through an open process that engages industry and brings together a broad stakeholder community. IEEE standards set specifications and best practices based on current scientific and technological knowledge. The IEEE-SA has a portfolio of over 900 active standards and more than 400 standards under development. For information on the IEEE-SA, see: http://standards.ieee.org.
About IEEE
IEEE (Institute of Electrical and Electronics Engineers, Inc.), the world's largest technical professional society, is commemorating its 125th anniversary in 2009 by "Celebrating 125 Years of Engineering the Future" around the globe. Through its more than 375,000 members in 160 countries, IEEE is a leading authority on a wide variety of areas ranging from aerospace systems, computers and telecommunications to biomedical engineering, electric power and consumer electronics. Dedicated to the advancement of technology, IEEE publishes 30 percent of the world's literature in the electrical and electronics engineering and computer science fields, and has developed over 900 active industry standards. The organization annually sponsors more than 850 conferences worldwide. Additional information about IEEE can be found at http://www.ieee.org.
