IEC TR 62051:1999

Electricity metering - Glossary of terms

This technical report provides definitions of terms used in present and future standards on electrical energy measurement, prepared by IEC TC 13. These terms cover electrical energy measurement, tariff and load control, and customer/utility information exchange systems. The report includes terms on Distribution Automation Systems not covered by IEC 60050(371). The report also covers terms on customer/utility information exchange, electricity prepayment systems, and dependablility of electricity metering equipment.
This publication is of high relevance for Smart Grid.

General Information

• Status: Published
• Publication Date: 22-Apr-1999
• ICS: 01 - GENERALITIES. TERMINOLOGY. STANDARDIZATION. DOCUMENTATION
• ICS: 91.140.50 - Electricity supply systems
• Technical Committee: TC 13 - Electrical energy measurement and control
• Drafting Committee: WG 14 - TC 13/WG 14
• Current Stage: PPUB - Publication issued
• Completion Date: 31-Mar-1993

Standards Content (Sample)

TECHNICAL IEC
REPORT
62051
First edition
1999-03
Electricity metering –
Glossary of terms
Lecture des compteurs électriques –
Glossaire de termes
Reference number
IEC 62051:1999(E)

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Numbering
As from 1 January 1997 all IEC publications are issued with a designation in the
60000 series.
Consolidated publications
Consolidated versions of some IEC publications including amendments are
available. 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.
Validity 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 relating to the date of the reconfirmation of the publication is available
in the IEC catalogue.
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 to be found at the following IEC sources:
• IEC web site*
•
Catalogue of IEC publications
Published yearly with regular updates
(On-line catalogue)*
• IEC Bulletin
Available both at the IEC web site* and as a printed periodical
Terminology, graphical and letter symbols
For general terminology, readers are referred to IEC 60050: International
Electrotechnical Vocabulary (IEV).
For graphical symbols, and letter symbols and signs approved by the IEC for
general use, readers are referred to publications IEC 60027: Letter symbols to be
used in electrical technology, IEC 60417: Graphical symbols for use on equipment.
Index, survey and compilation of the single sheets and IEC 60617: Graphical symbols
for diagrams.
* See web site address on title page.

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TECHNICAL IEC
REPORT
62051
First edition
1999-04
Electricity metering –
Glossary of terms
Lecture des compteurs électriques –
Glossaire de termes
 IEC 1999  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 Geneva, Switzerland
Telefax: [phone] e-mail: [e-mail] IEC web site http://www.iec.ch
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PRICE CODE
XA
International Electrotechnical Commission
For price, see current catalogue

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– 2 – 62051 © IEC:1999(E)
CONTENTS
Page
FOREWORD . 3
Clause
 1 Scope . 5
 2 Sources of terms. 5
 3 Acronyms and abbreviations. 6
 4 General. 9
 5 Utility systems/services . 12
 6 Physical meters and metering. 14
 7 Meter reading. 16
 8 Demand . 17
 9 Billing and tariffs . 18
10 Load management and load control . 21
11 Distribution system automation. 22
12 Open systems interconnection. 24
13 Data communications . 27
14 Distribution automation using DLC media . 37
15 Quality . 42
16 DLMS vocabulary . 44
17 Pre-payment electricity metering.
...