IEEE 80 Guide for Safety in AC Substation Groundin
交流变电站接地安全指南
IEEE 80 Guide for Safety in AC Substation Grounding
Guide for Safety in AC Substation Grounding
标准信息
STANDARD INFORMATION- 标准编号
- IEEE 80 Guide for Safety in AC Substation Groundin
- 所属分类
- IEEE 电气与电子工程标准
- 发布机构
- IEEE
- 版本年份
- 2000
- 文件语言
- 英语
- 文件格式
- 文件页数
- 6 页
- 文件大小
- 9.41 MB
中文名称为参考译名，文件语言以原文为准。
· 更新：
标准简介
OVERVIEW中文简介
该标准提供了交流变电站（包括常规和气体绝缘变电站）接地系统的安全设计指南。它涵盖了配电、输电和发电厂变电站，并详细讨论了接地网格设计、接触电压和跨步电压的计算方法、土壤电阻率测量以及导体选择等关键问题。
English summary
This standard provides a guide for the safety of grounding systems in AC substations, including conventional and gas-insulated types. It covers distribution, transmission, and generating plant substations, detailing methods for calculating touch and step voltages, designing ground grids, measuring soil resistivity, and selecting conductors.
以上为根据文件整理的内容简介。
相关标签
标准内容预览
DOCUMENT PREVIEWTable of Contents (continued)
10. Special considerations for GIS.......................................................... 33
10.1 Definitions.......................................................... 33
10.2 GIS characteristics.......................................................... 34
10.3 Enclosures and circulating currents.......................................................... 34
10.4 Grounding of enclosures.......................................................... 35
10.5 Cooperation between GIS manufacturer and user.......................................................... 35
10.6 Other special aspects of GIS grounding.......................................................... 36
10.7 Notes on grounding of GIS foundations.......................................................... 37
10.8 Touch voltage criteria for GIS.......................................................... 37
10.9 Recommendations.......................................................... 38
11. Selection of conductors and connections.......................................................... 39
11.1 Basic requirements.......................................................... 39
11.2 Choice of material for conductors and related corrosion problems.......................................................... 40
11.3 Conductor sizing factors.......................................................... 41
11.4 Selection of connections.......................................................... 49
12. Soil characteristics.......................................................... 49
12.1 Soil as a grounding medium.......................................................... 49
12.2 Effect of voltage gradient.......................................................... 49
12.3 Effect of current magnitude.......................................................... 50
12.4 Effect of moisture, temperature, and chemical content.......................................................... 50
12.5 Use of surface material layer.......................................................... 51
13. Soil structure and selection of soil model.......................................................... 51
13.1 Investigation of soil structure.......................................................... 51
13.2 Classification of soils and range of resistivity.......................................................... 52
13.3 Resistivity measurements.......................................................... 52
13.4 Interpretation of soil resistivity measurements.......................................................... 55
14. Evaluation of ground resistance.......................................................... 64
14.1 Usual requirements.......................................................... 64
14.2 Simplified calculations.......................................................... 64
14.3 Schwarz's equations.......................................................... 65
14.4 Note on ground resistance of primary electrodes.......................................................... 68
14.5 Soil treatment to lower resistivity.......................................................... 68
14.6 Concrete-encased electrodes.......................................................... 68
15. Determination of maximum grid current.......................................................... 72
15.1 Definitions.......................................................... 72
15.2 Procedure.......................................................... 73
15.3 Types of ground faults.......................................................... 74
15.4 Effect of substation ground resistance.......................................................... 76
15.5 Effect of fault resistance.......................................................... 76
15.6 Effect of overhead ground wires and neutral conductors.......................................................... 76
15.7 Effect of direct buried pipes and cables.......................................................... 77
15.8 Worst fault type and location.......................................................... 77
15.9 Computation of current division.......................................................... 78
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Révision de la présente publication
Le contenu technique des publications de la CEI est constamment revu par la Commission afin d'assurer qu'il reflète bien l'état actuel de la technique.
Les renseignements relatifs à ce travail de révision, à l'établissement des éditions révisées et aux mises à jour peuvent être obtenus auprès des Comités nationaux de la CEI et en consultant les documents ci-dessous :
- Bulletin de la CEI
- Annuaire de la CEI
- Catalogue des publications de la CEI
Publié annuellement
Terminologie
En ce qui concerne la terminologie générale, le lecteur se reportera à la Publication 50 de la CEI : Vocabulaire Electrotechnique International (VEI), qui est établie sous forme de chapitres séparés traitant chacun d'un sujet défini, l'Index général étant publié séparément. Des détails complets sur le VEI peuvent être obtenus sur demande.
Les termes et définitions figurant dans la présente publication ont été soit repris du VEI, soit spécifiquement approuvés aux fins de cette publication.
Symboles graphiques et littéraux
Pour les symboles graphiques, symboles littéraux et signes d'usage général approuvés par la CEI, le lecteur consultera :
- la Publication 27 de la CEI : Symboles littéraux à utiliser en électrotechnique ;
- la Publication 617 de la CEI : Symboles graphiques pour schémas.
Les symboles et signes contenus dans la présente publication ont été soit repris des Publications 27 ou 617 de la CEI, soit spécifiquement approuvés aux fins de cette publication.
Publications de la CEI établies par le même Comité d'Etudes
L'attention du lecteur est attirée sur la page 3 de la couverture, qui énumère les publications de la CEI préparées par le Comité d'Etudes qui a établi la présente publication.
Revision of this publication
The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology.
Information on the work of revision, the issue of revised editions and amendment sheets may be obtained from IEC National Committees and from the following IEC sources :
- IEC Bulletin
- IEC Yearbook
- Catalogue of IEC Publications
Published yearly
Terminology
For general terminology, readers are referred to IEC Publication 50 : International Electrotechnical Vocabulary (IEV), which is issued in the form of separate chapters each dealing with a specific field, the General Index being published as a separate booklet. Full details of the IEV will be supplied on request.
The terms and definitions contained in the present publication have either been taken from the IEV or have been specifically approved for the purpose of this publication.
Graphical and letter symbols
For graphical symbols, and letter symbols and signs approved by the IEC for general use, readers are referred to :
- IEC Publication 27 : Letter symbols to be used in electrical technology ;
- IEC Publication 617 : Graphical symbols for diagrams.
The symbols and signs contained in the present publication have either been taken from IEC Publications 27 or 617, or have been specifically approved for the purpose of this publication.
IEC publications prepared by the same Technical Committee
The attention of readers is drawn to the inside of the back cover, which lists IEC publications issued by the Technical Committee which has prepared the present publication.
2
NORME INTERNATIONALE INTERNATIONAL STANDARD МЕЖДУНАРОДНЫЙ СТАНДАРТ
|
NORME INTERNATIONALE INTERNATIONAL STANDARD МЕЖДУНАРОДНЫЙ СТАНДАРТ |
CEI IEC 50(426) Première édition First edition 1990-10 Vocabulaire Electrotechnique InternationalChapitre 426 : Matériel électrique pour atmosphères explosives International Electrotechnical VocabularyChapter 426 : Electrical apparatus for explosive atmospheres Международный Электротехнический СловарьГлава 426 : Электрооборудование для взрывоопасных сред © CEI 1990 Droits de reproduction réservés - Copyright - all rights reserved - Право издания охраняется законом Aucune partie de cette publication ne peut être reproduite ni utilisée sous quelque forme que ce soit et par aucun procédé, électronique ou mécanique, y compris la photocopie et les microfilms, sans l'accord écrit de l'éditeur. No part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from the publisher. Запрещается Без письменного разрешения издателя воспроизведение или копирование этой публикации или ее части в любой форме или любыми средствами — электронными или механическими, включая фотоконю и микрофильм. Bureau central de la Commission Electrotechnique Internationale 3, rue de Varembé Genève Suisse
|
50(715) © IEC:1996
CONTENTS
| FOREWORD | VII | |
| PREFACE | VII | |
| Sections | ||
| 715-01 | Basic terms | 1 |
| 715-02 | Resources | 10 |
| 715-03 | Calls | 17 |
| 715-04 | Times and delays | 22 |
| 715-05 | Traffic | 24 |
| 715-06 | Circuit groups | 32 |
| 715-07 | Traffic engineering | 34 |
| 715-08 | Networks | 41 |
| 715-09 | Circuit switched networks | 46 |
| 715-10 | Message switched networks | 51 |
| 715-11 | Packet switched networks | 52 |
| Index | 53 |
:current
Foreword
This document (EN 10216-3:2002) has been prepared by Technical Committee EC/TC 29, "Steel tubes and fittings for steel tubes", the secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by November 2002, and conflicting national standards shall be withdrawn at the latest by November 2002.
This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Directive(s).
For relationship with EU Directive(s), see informative annex ZA, which is an integral part of this document.
Other Parts of EN 10216 are:
| Part 1: | Non-alloy steel tubes with specified room temperature properties |
| Part 2: | Non-alloy and alloy steel tubes with specified elevated temperature properties |
| Part 4: | Non-alloy and alloy steel tubes with specified low temperature properties |
| Part 5: | Stainless steel tubes |
Another European Standard series covering tubes for pressure purposes is:
| EN 10217: | Welded steel tubes for pressure purposes |
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Malta, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.
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1 Scope
This Part of EN 10216 specifies the technical delivery conditions in two test categories for seamless tubes of circular cross section, made of weldable alloyed fine grained steel.
2 Normative references
This European Standard incorporates by date or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For date references, subsequent amendments to or revisions of, any of these publications apply to this European Standard only when incorporated in it by amendment or revision. For undated references the latest edition of the publication referred to applies (including amendments).
The requirements of this European Standard rule when they differ from those in the standards and documents referred to below:
EN 10002-1, Metallic materials - Tensile testing - Part 1: Method of test (at ambient temperature).
EN 10002-5, Metallic materials - Tensile testing - Part 5: Method of testing (at elevated temperature).
EN 10020, Definitions and classification of grades of steel.
EN 10021, General technical delivery requirements for steel and iron products.
EN 10045-1, Metallic materials - Charpy impact test - Part 1: Test method.
EN 10052, Vocabulary of heat treatment terms for ferrous products.
EN 10204, Metallic products - Types of inspection documents.
EN 10027-1, Designation systems for steels - Part 1: Steel names, principle symbols.
EN 10027-2, Designation systems for steels Part 2: Numerical systems.
ENV 10220, Seamless and welded steel tubes - Dimensions and masses per unit length
EN 10233, Metallic materials - Tubes - Flattening test.
EN 10234, Metallic materials - Tubes - Drift expanding test.
EN 10236, Metallic materials - Tubes - Ring expanding test.
EN 10237, Metallic materials - Tubes - Ring tensile test.
EN 10246-1, Non-Destructive Testing of steel tubes Part 1: Automatic electromagnetic testing of seamless and welded (except submerged arc welded) ferromagnetic steel tubes for verification of hydraulic leak-tightness.
EN 10246-5, Non-Destructive Testing of steel tubes - Part 5: Automatic full peripheral magnetic transducer/flux leakage testing of seamless and welded (except submerged arc-welded) ferromagnetic steel tubes for the detection of longitudinal imperfections.
EN 10246-6, Non-Destructive Testing of steel tubes - Part 6: Automatic full peripheral ultrasonic testing of seamless steel tubes for the detection of transverse imperfections.
EN 10246-7, Non-Destructive Testing of steel tubes - Part 7: Automatic full peripheral ultrasonic testing of seamless and welded (except submerged arc welded) steel tubes for the detection of longitudinal imperfections.
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IEEE 80 Guide for Safety in AC Substation Groundin
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