Amendment 1 - Energy management system application program interface (EMS-API) - Part 456: Solved power system state profiles

General Information

Status
Published
Publication Date
28-Sep-2015
Drafting Committee
WG 13 - TC 57/WG 13
Current Stage
DELPUB - Deleted Publication
Start Date
19-Mar-2018
Completion Date
26-Oct-2025

Relations

Effective Date
05-Sep-2023
Effective Date
05-Sep-2023

Overview

IEC 61970-456:2013/AMD1:2015 is an important amendment to the Energy Management System Application Program Interface (EMS-API) standard, specifically Part 456 which deals with Solved Power System State Profiles. Published by the International Electrotechnical Commission (IEC), this amendment enhances the previous 2013 edition by aligning it with updates in CIM (Common Information Model) version CIM15, improving data modeling and interoperability for energy management systems.

This international standard is critical for power systems management professionals, software developers, and utility operators who need standardized methods to exchange and manage solved power system state data efficiently. The amendment updates and clarifies key classes and attributes within EMS applications, ensuring consistency and accuracy when profiling power system states.

Key Topics

  • Topology Profile Updates

    • Introduction of new classes such as Name and NameType for enhanced object identification.
    • Extension of the TopologicalNode class with the role ConnectivityNodeContainer to better represent node relationships.
    • Removal of the IdentifiedObject.description attribute to streamline data structures.
  • State Variables Profile Changes

    • Enhancements to power flow representation with updated attributes for active and reactive power (p and q), using consistent load sign conventions.
    • Attribute type changes, such as from Integer to Float for SvShuntCompensatorSections.sections and SvTapStep.position, improving accuracy in modeling.
    • Conversion of voltage angle measurements from radians to degrees for better usability and intuitive interpretation.
    • Removal of deprecated or redundant attributes like continuousSections and continuousPosition.
  • Data Type Elaboration

    • Clarification of measurement units and multipliers for key electrical parameters like ActivePower, ReactivePower, Voltage, AngleDegrees, and ApparentPower.
    • Definition of classes and attributes facilitating consistent and precise power system state data exchange.
  • Model Versioning and Namespace Changes

    • Alignment with IEC 61970-301 Edition 5 and CIM15 UML updates.
    • Updated namespace URIs reflecting the new version profiles for Topology and StateVariables.

Applications

This standard and its amendment are tailored for applications related to:

  • Energy Management Systems (EMS)

    • Providing APIs for consistent retrieval, update, and exchange of solved power system states within complex EMS software architectures.
  • Power System Modeling and Analysis

    • Facilitating interoperable data exchange between planning, operation, and control systems.
  • Utility Grid Operations

    • Standardizing the representation of network topology and electrical state variables to improve system performance monitoring and decision-making.
  • Software Development for Smart Grids

    • Supporting developers in implementing interfaces that comply with internationally recognized CIM profiles for power system data.
  • Integration Across Enterprise IT Systems

    • Enabling mapping of multiple naming schemes (localName, aliasName) across diverse IT systems within energy utilities.

Related Standards

  • IEC 61970-301:2013 Edition 5 - Core CIM-based models for energy management system interfaces.
  • IEC 61970-456:2013 - Base publication prior to Amendment 1, containing original definitions for solved power system state profiles.
  • IEC 61970 Series - Encompassing various parts covering EMS APIs, spanning topology, measurements, and operations.
  • IEC 61850 - Standard for communication networks and systems in substations, often integrated with EMS APIs.
  • Common Information Model (CIM) Standards - Foundational models used within the IEC 61970 series for power system data representation.

By implementing IEC 61970-456:2013/AMD1:2015, stakeholders ensure that energy management systems effectively communicate solved power system state profiles with high precision, interoperability, and updated semantics. This supports the reliable operation and planning of modern electrical power networks in an increasingly interconnected and data-driven environment.

Standard

IEC 61970-456:2013/AMD1:2015 - Amendment 1 - Energy management system application program interface (EMS-API) - Part 456: Solved power system state profiles Released:9/29/2015 Isbn:9782832229118

English language
6 pages
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Frequently Asked Questions

IEC 61970-456:2013/AMD1:2015 is a standard published by the International Electrotechnical Commission (IEC). Its full title is "Amendment 1 - Energy management system application program interface (EMS-API) - Part 456: Solved power system state profiles". This standard covers: Amendment 1 - Energy management system application program interface (EMS-API) - Part 456: Solved power system state profiles

Amendment 1 - Energy management system application program interface (EMS-API) - Part 456: Solved power system state profiles

IEC 61970-456:2013/AMD1:2015 is classified under the following ICS (International Classification for Standards) categories: 33.200 - Telecontrol. Telemetering. The ICS classification helps identify the subject area and facilitates finding related standards.

IEC 61970-456:2013/AMD1:2015 has the following relationships with other standards: It is inter standard links to IEC 61970-456:2013, IEC 61970-456:2018. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.

IEC 61970-456:2013/AMD1:2015 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.

Standards Content (Sample)


IEC 61970-456 ®
Edition 1.0 2015-09
INTERNATIONAL
STANDARD
AMENDMENT 1
Energy management system application program interface (EMS-API) –
Part 456: Solved power system state profiles

IEC 61970-456:2013-05/AMD1:2015-09(en)

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IEC 61970-456 ®
Edition 1.0 2015-09
INTERNATIONAL
STANDARD
AMENDMENT 1
Energy management system application program interface (EMS-API) –

Part 456: Solved power system state profiles

INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
ICS 33.200 ISBN 978-2-8322-2911-8

– 2 – IEC 61970-456:2013/AMD1:2015

© IEC 2015
FOREWORD
This amendment has been prepared by IEC technical committee 57: Power systems

management and associated information exchange.

IEC 61970-456:2013 is based on IEC 61970-301 Edition 4 (2013). Both are based on the

61970 UML version CIM14. The amendment is based on IEC 61970-301 Edition 5 (2013) and

the 61970 UML version CIM15.
For the Topology profile this amendment includes the following changes with respect to the

previous edition:
a) The classes Name and NameType classes have been added.
b) The class TopologicalNode has been extended with the role ConnectivityNodeContainer.
c) The attribute IdentifiedObject.description has been removed.
For the StateVariables profile this edition includes the following changes with respect to the
previous edition:
a) The role TopologicalIsland.ToplogicalNodes has been replaced by
ToplogicalNode.TopologicalIsland.
b) The documentation of attributes SvPowerFlow.p and SvPowerFlow.q has been updated.
c) The attribute SvShuntCompensatorSections.sections has been changed from Integer to
Float.
d) The attribute SvShuntCompensatorSections.continuousSections is removed.
e) The attribute SvTapStep.position is changed from Integer to Float.
f) The attribute SvTapStep.continuousPosition is removed.
g) The attribute SvVoltage.angle is changed from radians to degrees.
h) The data types have been elaborated.
The text of this amendment is based on the following documents:
FDIS Report on voting
57/1591/FDIS 57/1620/RVD
Full information on the voting for the approval of this amendment can be found in the report
on voting indicated in the above table.

The committee has decided that the contents of this amendment and the base 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.
A bilingual version of this publication may be issued
...

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