欢迎来到麦多课文档分享! | 帮助中心 海量文档,免费浏览,给你所需,享你所想!
麦多课文档分享
全部分类
  • 标准规范>
  • 教学课件>
  • 考试资料>
  • 办公文档>
  • 学术论文>
  • 行业资料>
  • 易语言源码>
  • ImageVerifierCode 换一换
    首页 麦多课文档分享 > 资源分类 > PDF文档下载
    分享到微信 分享到微博 分享到QQ空间

    ANSI NEMA C29.9-2017 Wet Process Porcelain Insulators - Apparatus Post Type.pdf

    • 资源ID:437541       资源大小:347.50KB        全文页数:24页
    • 资源格式: PDF        下载积分:10000积分
    快捷下载 游客一键下载
    账号登录下载
    微信登录下载
    二维码
    微信扫一扫登录
    下载资源需要10000积分(如需开发票,请勿充值!)
    邮箱/手机:
    温馨提示:
    如需开发票,请勿充值!快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。
    如需开发票,请勿充值!如填写123,账号就是123,密码也是123。
    支付方式: 支付宝扫码支付    微信扫码支付   
    验证码:   换一换

    加入VIP,交流精品资源
     
    账号:
    密码:
    验证码:   换一换
      忘记密码?
        
    友情提示
    2、PDF文件下载后,可能会被浏览器默认打开,此种情况可以点击浏览器菜单,保存网页到桌面,就可以正常下载了。
    3、本站不支持迅雷下载,请使用电脑自带的IE浏览器,或者360浏览器、谷歌浏览器下载即可。
    4、本站资源下载后的文档和图纸-无水印,预览文档经过压缩,下载后原文更清晰。
    5、试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。

    ANSI NEMA C29.9-2017 Wet Process Porcelain Insulators - Apparatus Post Type.pdf

    1、NEMA Standards PublicationNational Electrical Manufacturers AssociationANSI/NEMA C29.9-2017Wet Process Porcelain Insulators Apparatus, Post TypeApproved as an American National Standard ANSI Approval Date of Final Action: September 19, 2017 ANSI/NEMA C29.9-2017 American National Standard for Wet Pro

    2、cess Porcelain Insulators Apparatus, Post Type Published by National Electrical Manufacturers Association 1300 North 17thStreet, Suite 900 Rosslyn, VA 22209 www.nema.org 2017 National Electrical Manufacturers Association. All rights, including translation into other languages, reserved under the Uni

    3、versal Copyright Convention, the Berne Convention for the Protection of Literary and Artistic Works, and the International and Pan American copyright conventions. 2017 National Electrical Manufacturers Association NOTICE AND DISCLAIMER The information in this publication was considered technically s

    4、ound by the consensus of persons engaged in the development and approval of the document at the time it was developed. Consensus does not necessarily mean that there is unanimous agreement among every person participating in the development of this document. American National Standards Institute (AN

    5、SI) standards and guideline publications, of which the document contained herein is one, are developed through a voluntary consensus standards development process. This process brings together volunteers and/or seeks out the views of persons who have an interest in the topic covered by this publicat

    6、ion. While NEMA administers the process and establishes rules to promote fairness in the development of consensus, it does not write the document and it does not independently test, evaluate, or verify the accuracy or completeness of any information or the soundness of any judgments contained in its

    7、 standards and guideline publications. NEMA disclaims liability for any personal injury, property, or other damages of any nature whatsoever, whether special, indirect, consequential, or compensatory, directly or indirectly resulting from the publication, use of, application, or reliance on this doc

    8、ument. NEMA disclaims and makes no guaranty or warranty, express or implied, as to the accuracy or completeness of any information published herein, and disclaims and makes no warranty that the information in this document will fulfill any of your particular purposes or needs. NEMA does not undertak

    9、e to guarantee the performance of any individual manufacturer or sellers products or services by virtue of this standard or guide. In publishing and making this document available, NEMA is not undertaking to render professional or other services for or on behalf of any person or entity, nor is NEMA

    10、undertaking to perform any duty owed by any person or entity to someone else. Anyone using this document should rely on his or her own independent judgment or, as appropriate, seek the advice of a competent professional in determining the exercise of reasonable care in any given circumstances. Infor

    11、mation and other standards on the topic covered by this publication may be available from other sources, which the user may wish to consult for additional views or information not covered by this publication. NEMA has no power, nor does it undertake to police or enforce compliance with the contents

    12、of this document. NEMA does not certify, test, or inspect products, designs, or installations for safety or health purposes. Any certification or other statement of compliance with any health or safetyrelated information in this document shall not be attributable to NEMA and is solely the responsibi

    13、lity of the certifier or maker of the statement. ANSI/NEMA C29.9-2017 Page i 2017 National Electrical Manufacturers Association Foreword (This foreword is not part of ANSI/NEMA C29.9-2017.) The first edition of this standard was essentially based on the EEI-NEMA standard Wet-Process Porcelain Insula

    14、tors (Apparatus, Post Type), EEI TDJ-59, NEMA 147-1956 (EEI is the Edison Electric Institute; NEMA is the National Electrical Manufacturers Association). It was developed by the American National Standards Committee on Insulators for Electric Power Lines, C29. This edition of the standard replaces A

    15、NSI/NEMA C29.9-1983 (R2012). Suggestions for improvement of this standard are welcomed. They should be sent by the date of its next scheduled revision, which is December 31, 2022, to: Senior Technical Director, Operations National Electrical Manufacturers Association 1300 North 17thStreet, Suite 900

    16、 Rosslyn, VA 22209 This standard was processed and approved for submittal to ANSI by Accredited Standards Committee on Insulators for Electric Power Lines, C29. Committee approval of the standard does not necessarily imply that all committee members voted for approval. At the time it approved this s

    17、tandard, the ASC C29 Committee had the following members: Arjan Jagtiani, Chairman Gerard Winstanley, Secretary Name Organization Interest Category N. DeSantis LineWorks Engineering General A. Jagtiani Sargent the catalog number, Technical Reference number, or other description of the contents; and

    18、the manufacturers name. Manufacturers should maintain records of the plant in which the insulator was produced. ANSI/NEMA C29.9-2017 Page 16 2017 National Electrical Manufacturers Association Appendix B Additional Electrical Design Tests (This appendix is not part of ANSI/NEMA C29.9-2017 but is incl

    19、uded for information only.) If the following additional electrical design tests are required, the procedure given in this appendix may prove useful. B.1 Low-Frequency Dry Flashover One insulator should be selected at random and tested in accordance with Clause 4.2 of ANSI C29.1, Low-Frequency Dry Fl

    20、ashover Voltage Tests. The average flashover test (total of 5) must exceed 95 percent, with no single test below 85 percent. Failure of any test value to equal or exceed 85 percent of the rated dry flashover shall constitute failure to meet the requirements of the standard. The retest procedure of C

    21、lause 4.4 shall apply. B.2 Low-Frequency Wet Flashover One insulator should be selected at random and tested in accordance with Clause 4.3 of ANSI C29.1, Low-Frequency Wet Flashover Voltage Tests. The average flashover test (total of 5) must exceed 95 percent, with no single test below 85 percent. F

    22、ailure of any test value to equal or exceed 85 percent of the rated wet flashover shall constitute failure to meet the requirements of the standard. The retest procedure of Clause 4.4 shall apply. B.3 Critical Impulse Flashover, Negative One insulator should be selected at random and tested in accor

    23、dance with Clause 4.7 of ANSI C29.1, Impulse Flashover Voltage Tests. The critical impulse flashover, negative, value of the insulator should be equal to or exceed 92 percent of the rated critical impulse flashover, negative, value of the insulator. The retest procedure of Clause 4.4 shall apply. NATIONAL ELECTRICAL MANUFACTURERS ASSOCIATION 1300 NORTH 17TH STREET, SUITE 900 ROSSLYN. VA 22209www.NEMA.orgTO ORDER ADDITIONAL NEMA STANDARDS VISITWWW.GLOBAL.IHS.COM OR CALL 1-800-854-7179/1-303-397-79565612_0514TB


    注意事项

    本文(ANSI NEMA C29.9-2017 Wet Process Porcelain Insulators - Apparatus Post Type.pdf)为本站会员(花仙子)主动上传,麦多课文档分享仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文档分享(点击联系客服),我们立即给予删除!




    关于我们 - 网站声明 - 网站地图 - 资源地图 - 友情链接 - 网站客服 - 联系我们

    copyright@ 2008-2019 麦多课文库(www.mydoc123.com)网站版权所有
    备案/许可证编号:苏ICP备17064731号-1 

    收起
    展开