SIST EN 61970-552:2017
(Main)Energy Management System Application Program Interface (EMS-API) - Part 552: CIMXML Model Exchange Format
Energy Management System Application Program Interface (EMS-API) - Part 552: CIMXML Model Exchange Format
IEC 61970-552:2013 specifies a Component Interface Specification (CIS) for Energy Management Systems Application Program Interfaces. This part specifies the format and rules for exchanging modelling information based upon the CIM. It uses the CIM RDF Schema presented in IEC 61970-501 as the meta-model framework for constructing XML documents of power system modelling information. The style of these documents is called CIMXML format. This standard supports a mechanism for software from independent suppliers to produce and consume CIM described modelling information based on a common format.
Schnittstelle für Anwendungsprogramme für Netzführungssysteme (EMS-API) - Teil 552: CIM-XML-Modell Austauschformat
Interface de programmation d'application pour systèmes de gestion d'énergie (EMS-API) - Partie 552 : format d'échange de modèle CIMXML
La CEI 61970-552:2013 spécifie une Spécification d'Interface de Composants (Component Interface Specification (CIS)) pour les Interfaces de Programmation d'Application des Systèmes de Gestion d'Énergie. Cette partie spécifie le format et les règles pour échanger les informations de modélisation basées sur le CIM. Elle utilise le Schéma RDF du CIM présenté dans la CEI 61970-501 comme le cadre de métamodèle pour générer les documents XML contenant les informations relatives à la modélisation des réseaux électriques. Le style de ces documents est appelé format CIMXML. La présente norme prend en charge un mécanisme pour les logiciels provenant de fournisseurs indépendants afin de produire et d'utiliser les informations de modélisation décrites dans le CIM dans un format commun.
Aplikacijski programski vmesnik za sistem upravljanja z energijo (EMS-API) - 552. del: Format CIMXML za izmenjavo skupnega informacijskega modela
Standard IEC 61970-552:2013 določa specifikacijo komponent vmesnika (CIS) za aplikacijske programske vmesnike za sistem upravljanja z energijo. Ta del določa format in pravila za izmenjavo informacij o modeliranju na podlagi skupnega informacijskega modela (CIM). Shemo CIM RDF, ki je podana v standardu IEC 61970-501, uporablja kot okvir metamodela za izdelavo informativnih dokumentov XML o modeliranju elektroenergetskega sistema. Slog teh dokumentov se imenuje format CIMXML. Ta standard podpira mehanizem programske opreme neodvisnih dobaviteljev za izdelavo in uporabo informacij o modeliranju, opisanih v modelu CIM, na podlagi skupnega formata.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 61970-552:2017
01-februar-2017
1DGRPHãþD
SIST EN 61970-552:2014
Aplikacijski programski vmesnik za sistem upravljanja z energijo (EMS-API) - 552.
del: Format CIMXML za izmenjavo skupnega informacijskega modela
Energy Management System Application Program Interface (EMS-API) - Part 552:
CIMXML Model Exchange Format
Schnittstelle für Anwendungsprogramme für Netzführungssysteme (EMS-API) - Teil 552:
CIM-XML-Modell Austauschformat
Interface de programmation d'application pour systèmes de gestion d'énergie (EMS-API)
- Partie 552 : format d'échange de modèle CIMXML
Ta slovenski standard je istoveten z: EN 61970-552:2016
ICS:
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
33.200 Daljinsko krmiljenje, daljinske Telecontrol. Telemetering
meritve (telemetrija)
SIST EN 61970-552:2017 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 61970-552:2017
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SIST EN 61970-552:2017
EUROPEAN STANDARD EN 61970-552
NORME EUROPÉENNE
EUROPÄISCHE NORM
December 2016
ICS 33.200 Supersedes EN 61970-552:2014
English Version
Energy management system application program interface
(EMS-API) - Part 552: CIMXML Model exchange format
(IEC 61970-552:2016)
Interface de programmation d'application pour système de Schnittstelle für Anwendungsprogramme für
gestion d'énergie (EMS-API) - Netzführungssysteme (EMS-API) -
Partie 552: Format d'échange de modèle CIMXML Teil 552: CIM-XML-Modell Austauschformat
(IEC 61970-552:2016) (IEC 61970-552:2016)
This European Standard was approved by CENELEC on 2016-11-01. CENELEC members are bound to comply with the CEN/CENELEC
Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration.
Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN-CENELEC
Management Centre or to any CENELEC member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation
under the responsibility of a CENELEC member into its own language and notified to the CEN-CENELEC Management Centre has the
same status as the official versions.
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus, the Czech Republic,
Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia,
Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland,
Turkey and the United Kingdom.
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2016 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN 61970-552:2016 E
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SIST EN 61970-552:2017
EN 61970-552:2016
European foreword
The text of document 57/1752/FDIS, future edition 2 of IEC 61970-552, prepared by
IEC/TC 57 "Power systems management and associated information exchange" was submitted to the
IEC-CENELEC parallel vote and approved by CENELEC as EN 61970-552:2016.
The following dates are fixed:
(dop) 2017-08-01
• latest date by which the document has to be
implemented at national level by
publication of an identical national
standard or by endorsement
• latest date by which the national (dow) 2019-11-01
standards conflicting with the
document have to be withdrawn
This document supersedes EN 61970-552:2014.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC [and/or CEN] shall not be held responsible for identifying any or all such
patent rights.
This document has been prepared under a mandate given to CENELEC by the European Commission
and the European Free Trade Association.
Endorsement notice
The text of the International Standard IEC 61970-552:2016 was approved by CENELEC as a
European Standard without any modification.
In the official version, for Bibliography, the following notes have to be added for the standards indicated:
IEC 61968-11 NOTE Harmonized as EN 61968-11.
IEC 61970-1 NOTE Harmonized as EN 61970-1.
2
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SIST EN 61970-552:2017
EN 61970-552:2016
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
NOTE 1 When an International Publication has been modified by common modifications, indicated by (mod), the relevant
EN/HD applies.
NOTE 2 Up-to-date information on the latest versions of the European Standards listed in this annex is available here:
www.cenelec.eu
Publication Year Title EN/HD Year
IEC 60050 Series International Electrotechnical Vocabulary - -
IEC/TS 61970-2 - Energy management system application CLC/TS 61970-2 -
program interface (EMS-API) -
Part 2: Glossary
IEC 61970-501 2006 Energy management system application EN 61970-501 2006
program interface (EMS-API) -
Part 501: Common Information Model
Resource Description Framework (CIM
RDF) schema
W3C - RDF/XML Syntax Specification - -
W3C - XSL Transformations (XSLT) - -
W3C - Document Object Model (DOM) - -
3
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SIST EN 61970-552:2017
IEC 61970-552
®
Edition 2.0 2016-09
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Energy management system application program interface (EMS-API) –
Part 552: CIMXML Model exchange format
Interface de programmation d’application pour système de gestion d'énergie
(EMS-API) –
Partie 552: Format d’échange de modèle CIMXML
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.200 ISBN 978-2-8322-3637-6
Warning! Make sure that you obtained this publication from an authorized distributor.
Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.
® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
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SIST EN 61970-552:2017
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CONTENTS
FOREWORD . 3
INTRODUCTION . 5
1 Scope . 6
2 Normative references. 6
3 Terms and definitions . 7
4 CIMXML version . 9
5 Model exchange . 9
5.1 General . 9
5.2 Rules for CIMXML documents and headers . 9
5.3 Model and header data description . 10
5.4 Work flow . 13
6 Object identification . 14
6.1 URIs as identifiers . 14
6.2 About rdf:ID and rdf:about . 15
6.3 CIMXML element identification . 16
6.4 Older ID formats . 17
6.5 Object type . 17
6.5.1 General . 17
6.5.2 References to a more generic type than the actual . 17
7 CIMXML format rules and conventions . 19
7.1 General . 19
7.2 Simplified RDF syntax . 19
7.2.1 General . 19
7.2.2 Notation . 20
7.2.3 Syntax definition (normative) . 20
7.2.4 Syntax extension for difference model . 26
7.3 CIMXML format style guide . 31
7.4 Representing new, deleted and changed objects as CIMXML elements . 32
7.5 CIM RDF schema generation with CIM profile . 32
7.6 CIM extensions . 33
7.7 RDF simplified syntax design rationale . 33
Bibliography . 35
Figure 1 – Model with header . 10
Figure 2 – Example work flow events . 13
Figure 3 – Example work flow events with more dependencies . 14
Figure 4 – CIM PSR – Location data model . 17
Figure 5 – CIMXML-based power system model exchange mechanism . 19
Figure 6 – Relations between UML, profile and CIMXML tools . 33
Table 1 – CIMXML version . 9
Table 2 – Header attributes . 11
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INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ENERGY MANAGEMENT SYSTEM APPLICATION
PROGRAM INTERFACE (EMS-API) –
Part 552: CIMXML Model exchange format
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
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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.
International Standard IEC 61970-552 has been prepared by IEC technical committee 57,
Power systems management and associated information exchange.
This second edition cancels and replaces the first edition published in 2013. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to the previous
edition:
a) New Clause 4 that defines the versioning of CIMXML format described in this document.
b) Subclause 5.1, the statement on work flow support is removed.
c) Subclause 5.2, Statement about mandatory header added. Rules how to use the header
added. The discussion on management of multiple CIMXML documents and archives is
removed.
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d) Subclause 5.3, FullModelDocumentElement removed, minor version added to profile URI
and the meaning of the header is elaborated in Table 2.
e) Subclause 6.2 the description of rdf:ID and rdf:about has been updated.
f) Subclause 6.3 introduce the new urn:uuid form and discuss the backwards compatibility.
g) New Subclause 6.4 added on support of older UUID formats.
h) New Subclause 6.5 discussing object types added.
i) Subclause 7.2.3.3, Position of header described and duplicate rows removed.
j) Document identification and references between documents updated in Table 2 and
Subclauses 7.2.3.4 and 7.2.4.6.
k) Subclause 7.2.3.7, A compound element can never be a root element.
l) Subclause 7.2.3.9, description of compound containment added.
m) Subclauses 7.2.3.4 and 7.2.4.7.3, More clarification of cascading delete.
The text of this standard is based on the following documents:
FDIS Report on voting
57/1752/FDIS 57/1773/RVD
Full information on the voting for the approval of this standard 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.
A list of all parts in the IEC 61970 series, published under the general title Energy
management system application program interface (EMS-API), can be found on the IEC
website.
The committee has decided that the contents of this publication will remain unchanged until
the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data
related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
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IEC 61970-552:2016 © IEC 2016 – 5 –
INTRODUCTION
This part of IEC 61970 is part of the series of standards that define an Application Program
Interface (API) for an Energy Management System (EMS).
IEC 61970-301 specifies a Common Information Model (CIM): a logical view of the physical
aspects of an electric utility operations. The CIM is described using the Unified Modelling
Language (UML), a language used to specify, visualize, and document systems in an object-
oriented manner. UML is an analysis and design language; it is not a programming language.
In order for software programs to use the CIM, it must be transformed into a schema form that
supports a programmable interface.
IEC 61970-501 describes the translation of the CIM in UML form into a machine readable
format as expressed in the Extensible Markup Language (XML) representation of that schema
using the Resource Description Framework (RDF) Schema specification language.
This part of IEC 61970 specifies how the CIM RDF schema specified in IEC 61970-501 is
used to exchange power system models using XML (referred to as CIMXML) defined in the
61970-45x series of profile standards, such as the CIM Transmission Network Model
Exchange Profile described in IEC 61970-452.
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ENERGY MANAGEMENT SYSTEM APPLICATION
PROGRAM INTERFACE (EMS-API) –
Part 552: CIMXML Model exchange format
1 Scope
This part of IEC 61970 specifies the format and rules for exchanging modelling information
based upon the CIM. It uses the CIM RDF Schema presented in IEC 61970-501 as the meta-
model framework for constructing XML documents of power system modelling information.
The style of these documents is called CIMXML format.
Model exchange by file transfer serves many useful purposes. Profile documents such as
IEC 61970-452 and other profiles in the 61970-45x series of standards explain the
requirements and use cases that set the context for this work. Though the format can be used
for general CIM-based information exchange, specific profiles (or subsets) of the CIM are
identified in order to address particular exchange requirements. The initial requirement driving
the solidification of this specification is the exchange of transmission network modelling
information for power system security coordination.
This part of IEC 61970 supports a mechanism for software from independent suppliers to
produce and consume CIM described modelling information based on a common format. The
proposed solution:
• is both machine readable and human readable, although primarily intended for
programmatic access,
• can be accessed using any tool that supports the Document Object Model (DOM) and
other standard XML application program interfaces,
• is self-describing,
• takes advantage of current World Wide Web Consortium (W3C) recommendations.
2 Normative references
The following documents are referred to in the text in such a way that some or all of their
content constitutes requirements 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 60050, International Electrotechnical Vocabulary (all parts)
IEC TS 61970-2, Energy management system application program interface (EMS-API) –
Part 2: Glossary
IEC 61970-501:2006, Energy management system application program interface (EMS-API) –
Part 501: Common Information Model Resource Description Framework (CIM RDF) schema
W3C, RDF/XML Syntax Specification
W3C, XSL Transformations (XSLT)
W3C, Document Object Model (DOM)
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3 Terms and definitions
For the purposes of this document, the terms and definitions contained in IEC 60050 (for
general glossary) and IEC TS 61970-2 (for EMS-API glossary definitions), as well as the
following apply.
3.1
Application Program Interface
API
set of public functions provided by an executable application component for use by other
executable application components
3.2
Common Information Model
CIM
abstract model that represents all the major objects in an electric utility enterprise typically
contained in an EMS information model
Note 1 to entry: 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 systems developed independently, or between an EMS
system and other systems concerned with different aspects of power system operations, such as generation or
distribution management.
3.3
CIMXML
serialisation format for exchange of XML data as defined in this document
3.4
Document Object Model
DOM
platform- and language-neutral interface defined by the World Wide Web Consortium (W3C)
that allows programs and scripts to dynamically access and exchange the content, structure
and style of documents
3.5
Document Type Definition
DTD
standard for describing the vocabulary and syntax associated with an XML document
Note 1 to entry: XML Schema and RDF are other forms that can be used.
3.6
Energy Management System
EMS
computer system comprising a software platform providing basic support services and a set of
applications providing the functionality needed for the effective operation of electrical
generation and transmission facilities so as to assure adequate security of energy supply at
minimum cost
3.7
Hypertext Markup Language
HTML
mark-up language used to format and present information on the Web
3.8
Model
collection of data describing instances, objects or entities, real or computed. In the context of
CIM the semantics of the data is defined by profiles, see: 4.9. Hence a model can contain
equipment data, power flow initial values, power flow results etc.
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Note 1 to entry: In power system analysis, a model is a set of static data describing the power system. Examples
of Models include the Static Network Model, the Topology Solution, and the Network Solution produced by a power
flow or state estimator application.
3.9
Profile
schema that defines the structure and semantics of a model that may be exchanged
Note 1 to entry: A Profile is a restricted subset of the more general CIM.
3.10
Profile Document
collection of profiles intended to be used together for a particular business purpose
3.11
Resource Description Framework
RDF
language recommended by the W3C for expressing metadata that machines can process
simply
Note 1 to entry: RDF uses XML as its encoding syntax.
3.12
RDF Schema
schema specification language expressed using RDF to describe resources and their
properties, including how resources are related to other resources, which is used to specify
an application-specific schema
3.13
Real-World Object
objects that belong to the real world problem domain as distinguished from interface objects
and controller objects within the implementation
Note 1 to entry: The real-world objects for the EMS domain are defined as classes in IEC 61970-301 Common
Information Model.
Note 2 to entry: Classes and objects model what is in a power system that needs to be represented in a common
way to EMS applications. A class is a description of an object found in the real world, such as a PowerTransformer,
GeneratingUnit, or Load that needs to be represented as part of the overall power system model in an EMS. Other
types of objects include things such as schedules and measurements that EMS applications also need to process,
analyze, and store. Such objects need a common representation to achieve the purposes of the EMS-API standard
for plug-compatibility and interoperability. A particular object in a power system with a unique identity is modeled
as an instance of the class to which it belongs.
3.14
Standard Generalized Markup Language
SGML
international standard for the definition of device-independent, system-independent methods
of representing texts in electronic form
Note 1 to entry: HTML and XML are derived from SGML.
3.15
Unified Modelling Language
UML
object-oriented modelling language and methodology for specifying, visualizing, constructing,
and documenting the artefacts of a system-intensive process
3.16
Uniform Resource Identifier
URI
Web standard syntax and semantic for identifying (referencing) resources (things, such as
files, documents, images)
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3.17
eXtensible Markup Language
XML
subset of Standard Generalized Markup Language (SGML), ISO 8879, for putting structured
data in a text file
Note 1 to entry: This is an endorsed recommendation from the W3C. It is license-free, platform-independent and
well-supported by many readily available software tools.
3.18
eXtensible Stylesheet Language
XSL
language for expressing style sheets for XML documents
4 CIMXML version
The CIMXML version is implemented as an XML processing instruction that appears before
the CIMXML document, refer to Table 1.
Table 1 – CIMXML version
XML processing instruction Version Revision date
iec61970-552 2.0 2014-03-12
Example:
xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
xmlns:cim="http://iec.ch/TC57/2004/CIM-schema-cim10#"
…
5 Model exchange
5.1 General
Model exchange typically involves the exchange of a collection of documents, each of which
contains instance data, referred to as a model, and a header. The structure and semantics of
each model as well as the header are described by a profile, which is not included in the
exchanged data. The overall exchange is governed by a collection of profiles in a Profile
Document.
A CIMXML document shall consists of a header and a model section.
A header section describes the content of the model section contained in a document e.g. the
date the model was created, description etc. The header may also identify other models and
their relationship to the present model. Such information is important when the models are
part of a work flow where, for example, the models have relations to each other, e.g. a model
succeeds and/or depends on another.
5.2 Rules for CIMXML documents and headers
A CIMXML document is described by a single header. Multiple headers in a CIMXML
document are not allowed.
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The header section shall always be the first element in a CIMXML document. The header
section elements are
• FullModel element, refer to 7.2.3.4.
• DifferenceModel element, refer to 7.2.4.6.
The data in the model section is defined by one or more profiles listed within the header.
Elements in a CIMXML document may have references to elements (resources) in other
CIMXML documents.
As a single header element is allowed in a CIMXML document the model sec
...
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