IEEE C37 30 1A-2017 en Requirements for AC High-Voltage Air Switches Rated Above 1000 V Amendment 1 Criteria for acceptance.pdf

1、 IEEE Standard Requirements for AC High-Voltage Air Switches Rated Above 1000 V Amendment 1: Criteria for acceptance Sponsored by the Switchgear Committee IEEE 3 Park Avenue New York, NY 10016-5997 USA IEEE Power and Energy Society IEEE Std C37.30.1a-2017 (Amendment to IEEE Std C37.30.1-2011) IEEE S

2、td C37.30.1a-2017 (Amendment to IEEE Std C37.30.1-2011) IEEE Standard Requirements for AC High-Voltage Air Switches Rated Above 1000 V Amendment 1: Criteria for acceptance Sponsor Switchgear Committee of the IEEE Power and Energy Society Approved 19 May 2017 IEEE-SA Standards Board Abstract: Mechani

3、cal operations tests that are applicable for all equipment covered by the complete standard, IEEE Std IEEE C37.30.1-2011, are covered in this amendment. It further defines criteria for acceptance at the completion of the tests. Keywords: contact surface, criteria for acceptance, IEEE C37.30.1, C37.3

4、0.1a, mechanical operations, mechanical operations tests, undue wear The Institute of Electrical and Electronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2017 by The Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 18 August 2017. Pr

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34、s IEEE standard was completed, the Amendment to Standard Requirements for AC High-Voltage Air Switches Rated Above 1000 V Working Group had the following membership: Carl D. Reigart, Chair James Houston, Vice Chair Jacob Blake Glenn Dorsey Kenneth Harless Danny Hoss William Hurst Thomas Kohler Peter

35、 Kowalik David McMullen Kyle Stechschulte The following members of the individual balloting committee voted on this amendment. Balloters may have voted for approval, disapproval, or abstention. David Aho Thomas Barnes Steven Brown Thomas Callsen Paul Cardinal Michael Champagne Gary Donner Louis Douc

36、et Edgar Dullni Sergio Flores David Giegel Jalal Gohari James Graham Randall Groves Kenneth Harless John Harley Gary Haynes Werner Hoelzl Danny Hoss James Houston William Hurst Richard Jackson Laszlo Kadar Yuri Khersonsky Hermann Koch Boris Kogan Peter Kowalik Jim Kulchisky Hua Liu Albert Livshitz R

37、eginaldo Maniego Charles Morse Michael Newman Joe Nims T. W. Olsen Lorraine Padden S. Patel K. James Phillips Iulian Profir Samala Santosh Reddy Carl D. Reigart Thomas Rozek Ryandi Ryandi Bartien Sayogo Dennis Schlender Devki Sharma Vinod Simha Jeremy Smith Jerry Smith Kyle Stechschulte K. Stump Dav

38、id Tepen James Van De Ligt Roger Verdolin John Vergis John Wang Kenneth White Alan Yerges Jian Yu When the IEEE-SA Standards Board approved this amendment on 19 May 2017, it had the following membership: Jean-Philippe Faure, Chair Gary Hoffman, Vice Chair John D. Kulick, Past Chair Konstantinos Kara

39、chalios, Secretary Chuck Adams Masayuki Ariyoshi Ted Burse Stephen Dukes Doug Edwards J. Travis Griffith Michael Janezic Thomas Koshy Joseph L. Koepfinger* Kevin Lu Daleep Mohla Damir Novosel Ronald C. Petersen Annette D. Reilly Robby Robson Dorothy Stanley Adrian Stephens Mehmet Ulema Phil Wennblom

40、 Howard Wolfman Yu Yuan *Member Emeritus 6 Copyright 2017 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std C37.30.1a-2017, IEEE Standard Requirements for AC High-Voltage Air Switches Rated Above 1000 VAmendment 1: Criteria for acceptance. It is common practice in the

41、 disconnect switch industry to use contacts comprised of metals other than copper as the actual contact surface. This is because copper oxidizes easily and leaves a very high surface resistance leading to contact overheating and eventual failure. A precious metal like silver also oxidizes but its ox

42、ide resistance remains very low, making silver the most common metal specified for disconnect switch contact surfaces. Other high conductivity materials could be used. Numerous open and close operations of the switch can wear through the silver (or other) contact surface, exposing copper that has the abovementioned failure mode. The current terminology “undue wear” is sufficiently vague as to cause uncertainty in evaluating mechanical operations test performance. This amendment provides additional information and test criteria. 7 Copyright 2017 IEEE. All rights reserved.