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IEC 61970-600-1
Edition 1.0 2021-06
INTERNATIONAL
STANDARD
colour
inside
Energy management system application program interface (EMS-API) –
Part 600-1: Common Grid Model Exchange Standard (CGMES) – Structure and
rules
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IEC 61970-600-1
Edition 1.0 2021-06
INTERNATIONAL
STANDARD
colour
inside
Energy management system application program interface (EMS-API) –
Part 600-1: Common Grid Model Exchange Standard (CGMES) – Structure and
rules
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-9814-5
– 2 – IEC 61970-600-1:2021 © IEC 2021
CONTENTS
FOREWORD . 4
INTRODUCTION . 7
1 Scope . 8
2 Normative references . 9
3 Terms, definitions and abbreviated terms . 10
3.1 Terms and definitions . 10
3.2 Abbreviated terms . 11
4 Data exchange context . 12
5 Specifications and functionalities . 15
5.1 General constraints . 15
5.2 Model authority sets (MAS) . 17
5.3 File header . 18
5.4 File body . 19
5.5 Profiles and instance file types. 19
5.5.1 General . 19
5.5.2 CGMES profiles’ properties . 19
5.5.3 CGMES extensions . 21
5.5.4 Equipment profile and instance file . 22
5.5.5 Topology profile and instance file . 23
5.5.6 Steady state hypothesis profile and instance file . 23
5.5.7 State variables profile and instance file . 24
5.5.8 Equipment boundary profile and instance file . 24
5.5.9 Topology boundary profile and instance file . 24
5.5.10 Diagram layout profile and instance file . 24
5.5.11 Geographical location profile and instance file . 25
5.5.12 Dynamics profile and instance file . 25
5.6 File exchange . 26
5.7 Boundary point – properties and location . 27
5.8 Model merging process . 29
5.9 CIM XML document/distribution validity . 32
5.10 Naming Convention . 33
6 CGMES governance . 36
6.1 General . 36
6.2 Versions of the CGMES and the profiles . 37
6.3 Conformity assessment . 38
6.4 Implementation process . 38
Annex A (xxxx) . 39
Annex B (normative) File header guidelines . 40
B.1 General . 40
B.2 Exchange scenarios . 40
B.3 Examples . 41
B.3.1 Example 1: File header of full model . 41
B.3.2 Example 2: File header of full model that is depending on another
model . 42
B.3.3 Example 3: File header of full model that is depending on a model and
supersedes another model . 43
B.3.4 Example 4: File header of difference model that is depending on a full
model and supersedes another full model . 44
B.3.5 Example 5: File header of difference model that is depending on a
difference model and supersedes another difference model . 45
Bibliography . 47
Figure 1 – CGMES instance file dependency . 20
Figure 2 – Boundary point placed on a tie-line . 27
Figure 3 – Boundary point placed in a substation . 27
Figure 4 – HVDC as interconnection or internal line . 28
Figure 5 – HVDC grid . 28
Figure 6 – Merge process . 31
Figure B.1 – Example workflow events . 40
Table 1 – IdentifiedObject attributes . 36
Table 2 – IdentifiedObject attributes in EQBD profile . 36
– 4 – IEC 61970-600-1:2021 © IEC 2021
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
ENERGY MANAGEMENT SYSTEM APPLICATION
PROGRAM INTERFACE (EMS-API) –
Part 600-1: Common Grid Model Exchange Standard (CGMES) –
Structure and rules
FOREWORD
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International Standard IEC 61970-600-1 has been prepared by IEC technical committee 57:
Power systems management and associated information exchange.
This first edition cancels and replaces IEC TS 61970-600-1 published in 2017. This edition
constitutes a technical revision.
This edition includes the following significant technical changes with respect to
IEC TS 61970-600-1:2017:
• Terms and definitions were updated.
• The “Type” column in all tables was deleted to increase readability of the document as all
the rules are considered required, hence categorisation is not necessary.
• Requirement HGEN4 was added to define additional rules to the file header compared to
IEC 61970-552:2016.
• Annex B on “Summary of specific rules for naming conventions” is deleted
...