EN IEC 61970-457:2021

Energy Management system application program interface (EMS-API) – Part 457: Dynamics profile

EN IEC 61970-457:2021

Name:EN IEC 61970-457:2021   Standard name:Energy Management system application program interface (EMS-API) – Part 457: Dynamics profile
Standard number:EN IEC 61970-457:2021   language:English language
Release Date:29-Apr-2021   technical committee:CLC/TC 57 - Power systems management and associated information exchange
Drafting committee:IEC/TC 57 - IEC_TC_57   ICS number:33.200 - Telecontrol. Telemetering

SLOVENSKI STANDARD
01-julij-2021
Aplikacijski programski vmesnik za sistem upravljanja z energijo (EMS-API) - 457.
del: Dinamični profil
Energy Management System Application Program Interface (EMS-API) – Part 457:
Dynamics profile
Ta slovenski standard je istoveten z: EN IEC 61970-457:2021
ICS:
29.240.30 Krmilna oprema za Control equipment for electric
elektroenergetske sisteme power systems
35.200 Vmesniška in povezovalna Interface and interconnection
oprema equipment
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

EUROPEAN STANDARD EN IEC 61970-457

NORME EUROPÉENNE
EUROPÄISCHE NORM
April 2021
ICS 33.200
English Version
Energy Management system application program interface
(EMS-API) - Part 457: Dynamics profile
(IEC 61970-457:2021)
Interface de programmation d'application pour système de Schnittstelle für Anwendungsprogramme für
gestion d'énergie (EMS-API) - Partie 457: Profil de régime Netzführungssysteme - Teil 457: Profile zu Dynamiken
dynamique (IEC 61970-457:2021)
(IEC 61970-457:2021)
This European Standard was approved by CENELEC on 2021-04-20. 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, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, the
Netherlands, Norway, Poland, Portugal, Republic of North Macedonia, Romania, Serbia, 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: Rue de la Science 23, B-1040 Brussels
© 2021 CENELEC All rights of exploitation in any form and by any means reserved worldwide for CENELEC Members.
Ref. No. EN IEC 61970-457:2021 E

European foreword
The text of document 57/2331/FDIS, future edition 1 of IEC 61970-457, 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 IEC 61970-457:2021.
The following dates are fixed:
• latest date by which the document has to be implemented at national (dop) 2022-01-20
level by publication of an identical national standard or by endorsement
• latest date by which the national standards conflicting with the (dow) 2024-04-20
document have to be withdrawn
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CENELEC shall not be held responsible for identifying any or all such patent rights.
Endorsement notice
The text of the International Standard IEC 61970-457:2021 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 61400-27-1:2020 NOTE Harmonized as EN IEC 61400-27-1:2020 (not modified)
IEC 61970-552:2016 NOTE Harmonized as EN 61970-552:2016 (not modified)
IEC 61970-501:2006 NOTE Harmonized as EN 61970-501:2006 (not modified)
Annex ZA
(normative)
Normative references to international publications
with their corresponding European publications
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.
NOTE 1  Where 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 61970-301 2020 Energy management system application EN IEC 61970-301 2020
program interface (EMS-API) - Part 301:
Common information model (CIM) base
IEC 61970-302 2018 Energy management system application EN IEC 61970-302 2018
program interface (EMS-API) - Part 302:
Common information model (CIM)
dynamics
IEC 61970-452 2017 Energy management system application EN 61970-452 2017
program interface (EMS-API) - Part 452:
CIM static transmission network model
profiles
IEC 61970-456 2018 Energy management system application EN IEC 61970-456 2018
program interface (EMS-API) - Part 456:
Solved power system state profiles

IEC 61970-457
Edition 1.0 2021-03
INTERNATIONAL
STANDARD
colour
inside
Energy management system application program interface (EMS-API) –

Part 457: Dynamics profile
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-9421-5

– 2 – IEC 61970-457:2021 © IEC 2021
CONTENTS
FOREWORD . 22
INTRODUCTION . 24
1 Scope . 25
2 Normative references . 25
3 Terms and definitions . 26
4 Profile specification . 26
4.1 General . 26
4.2 Requirements and constraints . 26
5 Overview . 29
6 Use cases . 30
6.1 General . 30
6.2 Dynamic assessment studies . 30
7 Architecture . 31
7.1 General . 31
7.2 Profile architecture . 32
8 Detailed profile specification . 34
8.1 General . 34
8.2 Package DynamicsProfile . 35
8.2.1 General . 35
8.2.2 (abstract) DynamicsProfileVersion root class . 35
8.2.3 Package Base . 35
8.2.4 Package Dynamics . 64
Annex A (normative) Implementation clarifications related to the models inherited from
RotatingMachineDynamics class . 444
Annex B (informative) Examples using IEC 61970-552 serialisation . 446
B.1 Overview. 446
B.2 Standard models . 446
B.3 User-defined models . 450
Bibliography . 457

Figure 1 – SynchronousMachineDynamics association . 32
Figure 2 – Interconnection diagram for a synchronous machine . 32
Figure 3 – Standard connections for a synchronous machine . 33
Figure 4 – Profile relationships . 34
Figure 5 – Class diagram Domain::Primitives . 36
Figure 6 – Class diagram Domain::DataTypes . 36
Figure 7 – Class diagram Domain::Enumerations . 37
Figure 8 – Class diagram Core::Core . 55
Figure 9 – Class diagram Wires::Wires . 59
Figure 10 – StandardInterconnectionSynchronousMachine . 65
Figure 11 – StandardInterconnectionSynchronousGeneratorCrossCompound . 66
Figure 12 – StandardInterconnectionAsynchronousMachine . 67
Figure 13 – StandardInterconnectionWindTurbineType1Aand1B . 68
Figure 14 – StandardInterconnectionWindTurbineType2 . 69

IEC 61970-457:2021 © IEC 2021 – 3 –
Figure 15 – StandardInterconnectionWindTurbineType3 . 70
Figure 16 – StandardInterconnectionWindTurbineType4Aand4B . 71
Figure 17 – StandardInterconnectionSingleLoad . 72
Figure 18 – Class diagram StandardInterconnections::
StandardSynchronousMachineInterconnection . 73
Figure 19 – Class diagram StandardInterconnections::
StandardAsynchronousMachineInterconnection . 74
Figure 20 – Class diagram StandardInterconnections::
StandardWindType1and2Interconnection . 75
Figure 21 – Class diagram StandardInterconnections::
StandardWindType3and4Interconnection . 76
Figure 22 – Class diagram StandardInterconnections::StandardLoadInterconnection . 77
Figure 23 – Class diagram StandardInterconnections::StandardHVDCInterconnection . 78
Figure 24 – Class diagram StandardInterconnections::
StandardStaticVarCompensatorInterconnection . 78
Figure 25 – SynchronousGeneratorInterconnectionAndVariables . 81
Figure 26 – SynchronousMotorInterconnectionAndVariables . 82
Figure 27 – Class diagram SynchronousMachineDynamics::
SynchronousMachineDynamics . 83
Figure 28 – SynchronousMachineSaturationParameters . 84
Figure 29 – SynchronousGeneratorMechanicalEquation . 85
Figure 30 – SynchronousMotorMechanicalEquation . 86
Figure 31 – SynchronousGeneratorPhasor . 87
Figure 32 – SynchronousMotorPhasor . 88
Figure 33 – Simplified . 89
Figure 34 – SubtransientRoundRotor . 93
Figure 35 – SubtransientSalientPole . 94
Figure 36 – SubtransientTypeF . 95
Figure 37 – SubtransientTypeJ . 9
...

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