IEEE C37 301-2009 en High-Voltage Switchgear (Above 1000 V) Test Techniques Partial Discharge Measurements《高压开关设备(大于1000V)测试技术 局部放电测量》.pdf
《IEEE C37 301-2009 en High-Voltage Switchgear (Above 1000 V) Test Techniques Partial Discharge Measurements《高压开关设备(大于1000V)测试技术 局部放电测量》.pdf》由会员分享,可在线阅读,更多相关《IEEE C37 301-2009 en High-Voltage Switchgear (Above 1000 V) Test Techniques Partial Discharge Measurements《高压开关设备(大于1000V)测试技术 局部放电测量》.pdf(74页珍藏版)》请在麦多课文档分享上搜索。
1、IEEE Std C37.301-2009IEEE Standard for High-Voltage Switchgear (Above 1000 V) Test TechniquesPartial Discharge MeasurementsIEEE3 Park Avenue New York, NY 10016-5997, USA20 March 2009IEEE Power +1 978 750 8400. Permission to photocopy portions of any individual standard for educational classroom use
2、can also be obtained through the Copyright Clearance Center. iv Copyright 2009 IEEE. All rights reserved. Introduction This introduction is not part of IEEE Std C37.301-2009, IEEE Standard for High-Voltage Switchgear (Above 1000 V) TestsPartial Discharge Measurements. A partial discharge is a locali
3、zed dielectric breakdown of a section of dielectrically stressed insulation path that occurs generally in voids, cracks, or interfaces within that insulating system or from the sharp edges of energized apparatus parts. These discharges may or may not exhibit a glow discharge, based on location and t
4、he intensity of these discharges. The classic form of Corona is usually denoted by a visual glow or dielectric breakdown of the insulating air or gas around overstressed conductors or the sharp edges of energized apparatus parts. Radio influence voltage (RIV) measurements are made to determine the e
5、xtent of radio interference generated by this Corona and the corrective measures that should be made. This Corona, when associated with the self-restoring insulation of the apparatus, may not necessarily contribute to insulation damage. In contrast, other types of partial discharges are localized di
6、electric breakdowns of a section in an insulation path where the discharges occur in voids, cracks, or interfaces of solid and/or solid/gas dielectrics. These localized discharges are undesirable because of the possible deterioration of that insulation with the formation of ionized gas due to this b
7、reakdown that may accumulate at or in a critical stress region. This generally involves non-self-restoring insulation that may be subject to permanent damage. Partial discharge measurements may be made on the basis of the resultant momentary change in the voltage at the terminals of the device. Such
8、 a change may be expressed as a voltage change (RIV in microvolts) or by calibration as an apparent charge. When injected between the terminals of the device, this apparent charge, measured in picocoulombs (pC), would cause the same voltage change as that resulting from the partial discharge. The in
9、itial efforts at measuring partial discharge levels on apparatus to provide acceptance criteria between user and manufacturer utilized NEMA 107-1987, Methods of Measurement of Radio Influence Voltage (RIV) of High-Voltage Apparatus. However, it has been determined that this narrow frequency band mea
10、suring system has limitations and that measuring partial discharges in terms of apparent charge has many advantages over that of the RIV approach. These advantages include the following: a) The internal and stray capacitance of differing switchgear and/or components is accounted for by the calibrati
11、on procedure. Thus, the measured value is related to the partial discharge level. b) The partial discharge measurements are, in most cases, not affected by local radio broadcast signals. It should be noted that apparent charge measurements may be made on either a wide-band or narrow-band basis. Part
12、ial discharge measurement is recognized as a helpful mean to ascertain the insulation quality. Most IEEE standards developed by the Recloser and Other Distribution Equipment subcommittee (RODE) of the IEEE Switchgear Committee now specify partial discharge measurement as a design (type) test and pro
13、duction (routine) test on equipment that use a non self-restoring dielectric as the primary insulation. This standard is intended to supersede the IEEE Std 1291-1993, IEEE Guide for Partial Discharge Measurement in Power Switchgear. This standard adopts the IEC 60270:2000 as the base document and fo
14、rms main part of this standard. Specific IEEE requirements for switchgear are contained in normative Annex I. Other useful data on pattern recognition is given in informative Annex J. Informative Annex K contains a bibliography. v Copyright 2009 IEEE. All rights reserved. Notice to users Laws and re
15、gulations 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 regulatory requirements. Implementers of the standard are responsible for observing or referring to the applicable regula
16、tory requirements. IEEE does not, by the publication of its standards, intend to urge action that is not in compliance with applicable laws, and these documents may not be construed as doing so. Copyrights This document is copyrighted by the IEEE. It is made available for a wide variety of both publ
17、ic and private uses. These include both use, by reference, in laws and regulations, and use in private self-regulation, standardization, and the promotion of engineering practices and methods. By making this document available for use and adoption by public authorities and private users, the IEEE do
18、es not waive any rights in copyright to this document. Updating of IEEE documents Users of IEEE standards should be aware that these documents may be superseded at any time by the issuance of new editions or may be amended from time to time through the issuance of amendments, corrigenda, or errata.
19、An official IEEE document at any point in time consists of the current edition of the document together with any amendments, corrigenda, or errata then in effect. In order to determine whether a given document is the current edition and whether it has been amended through the issuance of amendments,
20、 corrigenda, or errata, visit the IEEE Standards Association website at http:/ieeexplore.ieee.org/xpl/standards.jsp, or contact the IEEE at the address listed previously. For more information about the IEEE Standards Association or the IEEE standards development process, visit the IEEE-SA website at
21、 http:/standards.ieee.org. Errata Errata, if any, for this and all other standards can be accessed at the following URL: http:/standards.ieee.org/reading/ieee/updates/errata/index.html. Users are encouraged to check this URL for errata periodically. Interpretations Current interpretations can be acc
22、essed at the following URL: http:/standards.ieee.org/reading/ieee/interp/ index.html. vi Copyright 2009 IEEE. All rights reserved. Patents Attention is called to the possibility that implementation of this standard may require use of subject matter covered by patent rights. By publication of this st
23、andard, no position is taken with respect to the existence or validity of any patent rights in connection therewith. The IEEE is not responsible for identifying Essential Patent Claims for which a license may be required, for conducting inquiries into the legal validity or scope of Patents Claims or
24、 determining whether any licensing terms or conditions provided in connection with submission of a Letter of Assurance, if any, or in any licensing agreements are reasonable or non-discriminatory. Users of this standard are expressly advised that determination of the validity of any patent rights, a
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