Energy management system application program interface (EMS-API) -- Part 2: Glossary

Provides a glossary for the volume of work produced as part of the EN 61970 series of publications. Supplies terms and abbreviations that are either specific to the series, or that require explanation because of the way that they are used.

Anwendungsprogramm-Schnittstelle für Netzführungssysteme (EMS-API) -- Teil 2: Wörterbuch

Interface de programmation d'application pour système de gestion d'énergie (EMS-API) -- Partie 2: Glossaire

Provides a glossary for the volume of work produced as part of the EN 61970 series of publications. Supplies terms and abbreviations that are either specific to the series, or that require explanation because of the way that they are used.

Programski vmesnik za sistem za upravljanje energije (EMS-API) – 2. del: Slovar (IEC 61970-2:2004)

General Information

Status
Published
Publication Date
31-Oct-2005
Technical Committee
Current Stage
6060 - National Implementation/Publication (Adopted Project)
Start Date
01-Nov-2005
Due Date
01-Nov-2005
Completion Date
01-Nov-2005

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SLOVENSKI STANDARD
SIST-TS CLC/TS 61970-2:2005
01-november-2005
Programski vmesnik za sistem za upravljanje energije (EMS-API) – 2. del: Slovar
(IEC 61970-2:2004)

Energy management system application program interface (EMS-API) -- Part 2: Glossary

Anwendungsprogramm-Schnittstelle für Netzführungssysteme (EMS-API) -- Teil 2:
Wörterbuch

Interface de programmation d'application pour système de gestion d'énergie (EMS-API) -

- Partie 2: Glossaire
Ta slovenski standard je istoveten z: CLC/TS 61970-2:2005
ICS:
01.040.35 Informacijska tehnologija. Information technology.
Pisarniški stroji (Slovarji) Office machines
(Vocabularies)
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
SIST-TS CLC/TS 61970-2:2005 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST-TS CLC/TS 61970-2:2005
---------------------- Page: 2 ----------------------
SIST-TS CLC/TS 61970-2:2005
TECHNICAL SPECIFICATION CLC/TS 61970-2
SPECIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION June 2005
ICS 33.200
English version
Energy management system application
program interface (EMS-API)
Part 2: Glossary
(IEC 61970-2:2004)
Interface de programmation d'application Anwendungsprogramm-Schnittstelle
pour système de gestion d'énergie für Netzführungssysteme (EMS-API)
(EMS-API) Teil 2: Wörterbuch
Partie 2: Glossaire (IEC 61970-2:2004)
(CEI 61970-2:2004)
This Technical Specification was approved by CENELEC on 2004-08-28.

CENELEC members are required to announce the existence of this TS in the same way as for an EN and to

make the TS available promptly at national level in an appropriate form. It is permissible to keep conflicting

national standards in force.

CENELEC members are the national electrotechnical committees of Austria, Belgium, Cyprus, Czech

Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,

Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden,

Switzerland and United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Central Secretariat: rue de Stassart 35, B - 1050 Brussels

© 2005 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.

Ref. No. CLC/TS 61970-2:2005 E
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SIST-TS CLC/TS 61970-2:2005
CLC/TS 61970-2:2005 - 2 -
Foreword

The text of the Technical Specification IEC/TS 61970-2:2004, prepared by IEC TC 57, Power systems

management and associated information exchange, was submitted to the formal vote and was

approved by CENELEC as CLC/TS 61970-2 on 2004-11-20.
The following date was fixed:
– latest date by which the existence of the CLC/TS
has to be announced at national level (doa) 2005-10-01
Annex ZA has been added by CENELEC.
__________
Endorsement notice

The text of the Technical Specification IEC/TS 61970-2:2004 was approved by CENELEC as a

Technical Specification without any modification.
__________
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SIST-TS CLC/TS 61970-2:2005
- 3 - CLC/TS 61970-2:2005
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications

The following referenced documents are indispensable for the application of this document.

For dated references, only the edition cited applies. For undated references, the latest edition

of the referenced document (including any amendments) applies.

NOTE Where an international publication has been modified by common modifications, indicated by (mod), the relevant

EN/HD applies.
Publication Year Title EN/HD Year
1) 1)
IEC 61970-1 - Energy Management System Application EN 61970-1 -
Program Interface (EMS-API)
Part 1: Guidelines and general
requirements
__________
At draft stage.
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SIST-TS CLC/TS 61970-2:2005
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SIST-TS CLC/TS 61970-2:2005
TECHNICAL IEC
SPECIFICATION TS 61970-2
First edition
2004-07
Energy management system application
program interface (EMS-API) –
Part 2:
Glossary
” IEC 2004  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
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International Electrotechnical Commission
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For price, see current catalogue
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SIST-TS CLC/TS 61970-2:2005
– 2 – TS 61970-2 ” IEC:2004(E)
CONTENTS

FOREWORD.........................................................................................................................3

INTRODUCTION...................................................................................................................5

1 Scope ............................................................................................................................6

2 Normative references .....................................................................................................6

3 Terms and definitions .....................................................................................................6

4 Glossary of abbreviations .............................................................................................11

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SIST-TS CLC/TS 61970-2:2005
TS 61970-2 ” IEC:2004(E) – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ENERGY MANAGEMENT SYSTEM APPLICATION
PROGRAM INTERFACE (EMS-API) –
Part 2: Glossary
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any

equipment declared to be in conformity with an IEC Publication.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

The main task of IEC technical committees is to prepare International Standards. In

exceptional circumstances, a technical committee may propose the publication of a technical

specification when

• the required support cannot be obtained for the publication of an International Standard,

despite repeated efforts, or

• the subject is still under technical development or where, for any other reason, there is the

future but no immediate possibility of an agreement on an International Standard.

Technical specifications are subject to review within three years of publication to decide

whether they can be transformed into International Standards.

IEC 61970-2, which is a technical specification, has been prepared by IEC Technical

Committee 57: Power systems management and associated information exchange.
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SIST-TS CLC/TS 61970-2:2005
– 4 – TS 61970-2 ” IEC:2004(E)

The specific standards documents for which this glossary applies are listed in IEC 61970-1 .

The text of this technical specification is based on the following documents:
Enquiry draft Report on voting
57/666/CDV 57/725/RVC

Full information on the voting for the approval of this technical specification can be found in

the report on voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

IEC 61970 consists of the following parts, under the general title Energy Management System

Application Program Interface (EMS-API):
Part 1: Guidelines and general requirements
Part 2: Glossary
Part 301: Common Information Model (CIM) Base

Part 302: Common information model (CIM) financial, energy scheduling and reservations

Part 401: Component Interface Specification (CIS) framework
Part 402: Component Interface Specification (CIS) – Common services
Part 403: Component Interface Specification (CIS) – Generic data access
Part 404: Component Interface Specification (CIS) – High speed data access

Part 405: Component Interface Specification (CIS) – Generic eventing and subscription

Part 407: Component Interface Specification (CIS) – Time series data access

Part 453: Exchange of graphics schematics definitions (common graphics exchange)

Part 501: Common Information Model (CIM) XML codification for programmable reference

and model data exchange

The committee has decided that the contents of this publication will remain unchanged until

the maintenance result date indicated on the IEC web site under "http://webstore.iec.ch" in

the data related to the specific publication. At this date, the publication will be

• transformed into an International standard,
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.

A bilingual version of this Technical Specification may be issued at a later date.

___________
Under consideration.
Under consideration.
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SIST-TS CLC/TS 61970-2:2005
TS 61970-2 ” IEC:2004(E) – 5 –
INTRODUCTION

This Technical specification is part of the IEC 61970 series, which defines an Application

Program Interface (API) for an Energy Management System (EMS). This standard is based

upon the work of the EPRI Control Center API (CCAPI) research project (RP-3654-1). The

principle objectives of the EPRI CCAPI project are to:
– reduce the cost and time needed to add new applications to an EMS;

– protect the investment in existing applications that are working effectively in an EMS.

The principal task of the CCAPI project is to develop a set of guidelines, or specifications, to

enable the creation of “plug-in” applications in the control center environment.

This part of the IEC 61970 series provides a glossary of terms and abbreviations that are

specific to the IEC 61970 series or may require interpretation as to how they were used in it.

___________

A plug-in application is defined to be a piece of software that may be installed on a system with minimal effort

and no modification of source code; i. e., the way software packages are installed on a desktop computer. The

CCAPI Project goal is to at least approach that ideal by reducing the often significant efforts currently required

to install third-party applications in an EMS.
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SIST-TS CLC/TS 61970-2:2005
– 6 – TS 61970-2 ” IEC:2004(E)
ENERGY MANAGEMENT SYSTEM APPLICATION
PROGRAM INTERFACE (EMS-API) –
Part 2: Glossary
1 Scope

This Technical specification provides a glossary for the volume of work produced as part of

the IEC 61970 series of documents. Terms and abbreviations that are either specific to the

series, or that require explanation because of the way that they are used in it, are supplied.

2 Normative references

The following referenced documents are indispensable for the application of this document.

For dated references, only the edition cited applies. For undated references, the latest edition

of the referenced document (including any amendments) applies.

IEC 61970-1, Energy Management System Application Program Interface (EMS-API) – Part 1:

Guidelines and general requirements
3 Terms and definitions

For the purposes of this Technical specification, the terms and definitions given below apply.

3.1
aggregation
special case of association
3.2
application

piece of software that comprises one or more components that perform some business

function in a given domain. The important aspect is the functionality performed and not the

packaging of the software. An example would be a word processor. It has a fairly well

understood functionality but the components that are actually installed can look very different

depending on the vendor.
3.3
application context

collection of applications working together as an organizational unit to accomplish some high-

level objective
3.4
Application Program Interface
API

set of public functions provided by an executable application component for use by other

executable application components
3.5
association
connection between classes that can be assigned a role
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SIST-TS CLC/TS 61970-2:2005
TS 61970-2 ” IEC:2004(E) – 7 –
3.6
cardinality from

multiplicity from the class that is being described, ‘0’ is an optional association and ‘n’ means

that an unspecified number of associations are allowed
3.7
cardinality to
multiplicity and cardinality of the class on the other side of the association
3.8
Common Information Model
CIM

abstract model that represents all of the major objects in an electric utility enterprise that are

typically contained in an Energy Management System (EMS) information model. By providing

a standard way of representing power system resources as object classes and attributes

along with their relationships, the CIM facilitates the integration of EMS applications

developed independently by different vendors, between entire EMS’s developed

independently or between an EMS and other systems concerned with different aspects of

power operations, such as generation or distribution management.
3.9
CIM context

run-time environment within which all application instances operate to achieve a common

objective
3.10
class

description of an object found in the real world that needs to be represented as part of the

overall power system model or a set of resources to which a given set of properties apply

3.11
communication profiles

particular protocols and protocol services that are to be used for information exchange

between separate server platforms in a component execution system
3.12
component
reusable software building bloc
...

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