iec60865-1{ed2.0}en_d.img
64
Short-circuit currents – Calculation of effects – Part 1: Definitions and calculation methods Reference number IEC 60865-1:1993(E) INTERNATIONAL STANDARD IEC 60865-1 Second edition 1993-09 This English-language version is derived from the original bilingual publication by leaving out all French-language pages. Missing page numbers correspond to the French- language pages. Copyright © International Electrotechnical Commission (IEC), Geneva, Switzerland. All rights reserved. This copy has been made by Book Supply Bureau under license from the IEC. No resale of this document is permitted. No part of this document may be copied or reproduced in any form by any means (graphic, electronic or mechanical, including photocopying, recording, recording taping or information and retrieval system), nor made available on the internet, a public network, by satellite or otherwise without the prior written consent of the IEC.
-
Upload
sinu0607iiteee -
Category
Documents
-
view
145 -
download
13
Transcript of iec60865-1{ed2.0}en_d.img
Short-circuit currents – Calculation of effects –
Part 1: Definitions and calculation methods
Reference number IEC 60865-1:1993(E)
INTERNATIONAL STANDARD
IEC60865-1
Second edition1993-09
This English-language version is derived from the original bilingual publication by leaving out all French-language pages. Missing page numbers correspond to the French-language pages.
Copyright © International Electrotechnical Commission (IEC), Geneva, Switzerland. Allrights reserved. This copy has been made by Book Supply Bureau under license fromthe IEC. No resale of this document is permitted. No part of this document may becopied or reproduced in any form by any means (graphic, electronic or mechanical,including photocopying, recording, recording taping or information and retrievalsystem), nor made available on the internet, a public network, by satellite or otherwisewithout the prior written consent of the IEC.
Publication numbering
As from 1 January 1997 all IEC publications are issued with a designation in the 60000 series. For example, IEC 34-1 is now referred to as IEC 60034-1.
Consolidated editions
The IEC is now publishing consolidated versions of its publications. For example, edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the base publication incorporating amendment 1 and the base publication incorporating amendments 1 and 2.
Further information on IEC publications
The technical content of IEC publications is kept under constant review by the IEC, thus ensuring that the content reflects current technology. Information relating to this publication, including its validity, is available in the IEC Catalogue of publications (see below) in addition to new editions, amendments and corrigenda. Information on the subjects under consideration and work in progress undertaken by the technical committee which has prepared this publication, as well as the list of publications issued, is also available from the following:
• IEC Web Site (www.iec.ch)
• Catalogue of IEC publications
The on-line catalogue on the IEC web site (www.iec.ch/searchpub) enables you to search by a variety of criteria including text searches, technical committees and date of publication. On-line information is also available on recently issued publications, withdrawn and replaced publications, as well as corrigenda.
• IEC Just Published
This summary of recently issued publications (www.iec.ch/online_news/ justpub) is also available by email. Please contact the Customer Service Centre (see below) for further information.
• Customer Service Centre
If you have any questions regarding this publication or need further assistance, please contact the Customer Service Centre:
Email: [email protected] Tel: +41 22 919 02 11 Fax: +41 22 919 03 00
Short-circuit currents – Calculation of effects –
Part 1: Definitions and calculation methods
For price, see current catalogue
IEC 1993 Copyright - all rights reserved
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.
International Electrotechnical Commission, 3, rue de Varembé, PO Box 131, CH-1211 Geneva 20, SwitzerlandTelephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: [email protected] Web: www.iec.ch
INTERNATIONAL STANDARD
IEC60865-1
Second edition1993-09
XA Commission Electrotechnique InternationaleInternational Electrotechnical CommissionМеждународная Электротехническая Комиссия
PRICE CODE
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
Page 64, tableau 2
Dans la troisième colonne, pour un court-circuit biphasé, au lieu de:
1,8
lire:
- (un tiret)
Page 74, figure 2
Sur la gauche des dessins, ajouter:
a)et b) respectivement.
Page 104, annexe A, article A.2
Remplacer la dernière ligne de l’équationexistante par la nouvelle ligne suivante:
Page 65, table 2
In the third column, for a line-to-line shortcircuit, instead of:
1,8
read:
- (dash)
Page 75, figure 2
Add, at the left-hand side of the drawings:
a)and b) respectively.
Page 105, annex A, clause A.2
Replace the last line of the existing equationby the following new line:
Publication 865-1 de la CEI(Deuxième édition 1993)
Courants de court-circuit -Calcul des effets
Partie 1: Définitions et méthodes de calcul
IEC Publication 865-1(Second edition 1993)
Short-circuit currents -Calculation of effects
Part 1: Definitions and calculation methods
C O R R I G E N D U M 1
2 arctan
- 2 arctan
(a/d) + 1b/d
a/db/d
+ arctan(a/d) -1
b/da/d • b/d
6
Mars 1995 March 1995
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
SU
PP
LIE
D B
Y B
SB
UN
DE
R L
ICE
NC
E F
RO
M IE
C
