Instrument transformers - Part 8: Electronic current transformers

This part of IEC 60044 applies to newly manufactured electronic current transformers having an analogue voltage output or a digital output, for use with electrical measuring instruments and electrical protective devices at nominal frequencies from 15 Hz to 100 Hz.

General Information

Status
Published
Publication Date
18-Jul-2002
Drafting Committee
Current Stage
PPUB - Publication issued
Start Date
15-Aug-2002
Completion Date
19-Jul-2002
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IEC 60044-8:2002 - Instrument transformers - Part 8: Electronic current transformers
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INTERNATIONAL IEC
STANDARD
60044-8
First edition
2002-07
Instrument transformers –
Part 8:
Electronic current transformers
Transformateurs de mesure –
Partie 8:
Transformateurs de courant électroniques
Reference number
IEC 60044-8:2002(E)

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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.
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edition numbers 1.0, 1.1 and 1.2 refer, respectively, to the base publication, the
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INTERNATIONAL IEC
STANDARD
60044-8
First edition
2002-07
Instrument transformers –
Part 8:
Electronic current transformers
Transformateurs de mesure –
Partie 8:
Transformateurs de courant électroniques
 IEC 2002  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, Switzerland
Telephone: +41 22 919 02 11 Telefax: +41 22 919 03 00 E-mail: inmail@iec.ch  Web: www.iec.ch
PRICE CODE
Commission Electrotechnique Internationale
XF
International Electrotechnical Commission
Международная Электротехническая Комиссия
For price, see current catalogue

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– 2 – 60044-8  IEC:2002(E)
CONTENTS
FOREWORD . 6
1 Scope . 7
1.1 General . 7
1.2 General block diagram of electronic current transformers . 8
1.3 General block diagram of electronic transformers with a digital output . 9
2 Normative references. 9
3 Definitions.12
3.1 General definitions.12
3.2 Additional definitions for measuring electronic current transformers.19
3.3 Additional definitions for protective electronic current transformers.19
3.4 Additional definitions for digital output .22
3.5 Additional definitions for analogue voltage output .23
3.6 Index of main definitions and abbreviations .23
4 Normal and special service conditions .24
4.1 General .24
4.2 Normal service conditions .
...

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