C37.59-2007 - IEEE Standard Requirements for Conversion of Power Switchgear Equipment.pdf

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1、IEEE Std C37.59 -2007 (Revision of IEEE Std C37.59-2002) IEEE Standard Requirements for Conversion of Power Switchgear Equipment IEEE 3 Park Avenue New York, NY 10016-5997, USA 18 April 2008 IEEE Power Engineering Society Sponsored by the Switchgear Committee C37.59 TM 445 Hoes Lane, Piscataway, NJ

2、08854 USA | http:/standards.ieee.org | Tel. +1 732-981-0060 Fax +1 732-562-1571 This is a Redline Document produced by Techstreet, a business of Thomson Reuters. This document is intended to provide users with an indication of changes from one edition to the next. It includes a full-text version of

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5、nt. RedlineProcessingNotes: 1. RedText Redstrikethroughtextdenotesdeletions. 2. BlueText Blueunderlinedtextdenotesmodificationsandadditions. IEEE Std C37.59 TM -2007 (Revision of IEEE Std C37.59-2002) IEEE Standard Requirements for Conversion of Power Switchgear Equipment Sponsor Switchgear Committe

6、e of the IEEE Power Engineering Society Approved 5 December 2007 IEEE-SA Standards Board Abstract: Directions and requirements are provided for the conversion of qualified power switchgear equipment. Examples such as low-voltage power circuit breakers; high-voltage outdoor, and medium-voltage indoor

7、 drawout power circuit breakers; medium-voltage fused contactors; medium-voltage ground and test devices; medium-voltage fused load interrupter switches; and all metal-enclosed switchgear are covered. Existing design standards are referenced with appropriate guidance on design testing necessary to d

8、esign-verify the conversions. Reconditioning, which concerns the maintenance of existing equipment without alteration, is not covered. Keywords: circuit breakers, conversion, interrupters, power switchgear equipment, qualified design, retrofit, switchgear, vacuum The Institute of Electrical and Elec

9、tronics Engineers, Inc. 3 Park Avenue, New York, NY 10016-5997, USA Copyright 2008 by the Institute of Electrical and Electronics Engineers, Inc. All rights reserved. Published 18 April 2008. Printed in the United States of America. IEEE is a registered trademark in the U.S. Patent +1 978 750 8400.

10、Permission to photocopy portions of any individual standard for educational classroom use can also be obtained through the Copyright Clearance Center. iv Copyright 2008 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std C37.59-2007, IEEE Standard Requirements for Conve

11、rsion of Power Switchgear Equipment. This revised standard covers conversions of power switchgear equipment only, rather than a complete power switchgear equipment replacement. A conversion of power switchgear equipment reuses some portion of the qualified design switchgear. The technology and exten

12、t of conversions is a continually changing and expanding practice. This revised standard addresses clarifications needed on the required performance of a converted product such as those involved in low-voltage circuit breaker control system replacements as well as additional types of conversions suc

13、h as improved, arc-resistant field conversions. The references to low-voltage ground and test devices were also deleted, as no product standards define requirements for such devices. Subclause 6.1.5.4 has been expanded to clarify the minimum design testing required for trip system modifications, fol

14、lowing reports of instances of inadequate testing of such conversions. Converted circuit breakers may or may not be interchangeable with existing nonconverted circuit breakers. Where converted circuit breakers are not interchangeable with nonconverted circuit breakers, it shall be so indicated in th

15、e converters instruction book and the blocking/rejection interlock shall be changed. It is stressed that at least the minimum design tests recommended and outlined in specific references are to be carried out as applicable on each differing design (or model) of a converted device. Reliance only on p

16、roduction tests with statements that the conversion has been “ANSI tested,” unsubstantiated by formal documented design verification, can mislead users and may result in field failures. Production tests are not design tests. The basic and fundamental philosophy of this standard is that a converted p

17、roduct is a new design and shall be design verified to substantiate that it meets its nameplate ratings as well as applicable standards. A recommended design verification form is included. The lack of design verification of some conversions was the reason for the creation of the original 1991 versio

18、n of this document. Experience gained with use of the original document and the 1996 and 2002 revisions is incorporated into this revision of the standard. Many forms of conversion exist, and this document provides the logic that should cover all power switchgear equipment conversions, with examples

19、 of current areas of conversion and testing. As additional types of switchgear products are converted, criteria for the new conversion products will be added in future revisions of this standard. Annex A, although not a normative part of this standard, is provided for guidance in the design verifica

20、tion of the converted power switchgear equipment. It provides additional guidance regarding conversion examples and the minimum testing required for design verifications. Examples of components that may be converted include, but are not limited to: a) 1) 2) 3) 4) 5) Circuit breakers Frame Insulation

21、 structures Contacts, supports, and primary disconnecting devices High-voltage arc-interrupting structures Low-voltage arc-interrupting structures v Copyright 2008 IEEE. All rights reserved. 6) 7) 8) b) 1) 2) 3) 4) c) d) 1) NOTEThese conversions include substitution of low-voltage and medium-voltage

22、 alternating current fused contactors in place of circuit breaker elements. Low-voltage direct-acting trip systems Drawout parts/interlocking and auxiliary functions Mechanism parts and control wiring Switchgear vertical sections Drawout parts/interlocking and auxiliary functions Frame Bus, bus conn

23、ections, and insulation Instrumentation and control wiring Ground and test devices Metal-enclosed interrupter switchgear Addition or substitution of power fuses This revised standard is not intended to cover maintenance procedures when reconditioning power switchgear equipment in accordance with the

24、 manufacturers instruction manuals. Conversions are sometimes incorrectly termed “retrofits.” Notice to users Laws and regulations Users of these documents should consult all applicable laws and regulations. Compliance with the provisions of this standard does not imply compliance to any applicable

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